E LUYEN THI SO 1 1. Bit th t dy in ho nh sau: Fe2+/Fe < 2H+/H2 < Cu2+/Cu < Fe3+/Fe2+. Phn ng no l sai trong cc phn ng sau: A. Fe + 2Fe3+ 3Fe2+. C. Fe + Cu2+ Fe2+.+ Cu. 2+ + 3+ 3+ B. Fe + 2H Fe + H2. D. Cu + 2Fe 2Fe2+.+ Cu2+. 2. Qua trnh nao khong tao CH3CHO? A. Cho vinyl axetat vao dung dch NaOH B. Cho C2H2 vao dung dch HgSO4 un nong C. Cho ru etylic qua CuO, to. D. Cho metyl acrylat vao dung dch NaOH 3. ot chay hoan toan 5,8 gam mot axit cacboxylic X mach thang thu c 0,2 mol CO2 va 0,1 mol H2O. Cong thc phan t cua X la A. C2H4O2 B. C3H4O4 C. C4H4O4 D. C6H6O4 4. Day gom cac hp chat co the hoa tan c Cu(OH)2 nhiet o phong la A. CH3CHO, HCOOH, C3H5(OH)3 B. CH3CHO, C2H4(OH)2, glucoz C. CH3COOH, C3H5(OH)3, Glucoz D. HCOOH, HCHO, C6H5OH. 5. ot chay hoan toan m gam hon hp hai ru ong ang lien tiep thu c 0,66 gam CO2 va 0,45 gam nc. Neu tien hanh oxi hoa hoan toan hon hp ru tren bang CuO, san pham tao thanh cho tac dung het vi dung dch co cha Ag2O/NH3 d th lng ket tua Ag thu c la A. 1,08 gam B. 3,24 gam C. 1,62 gam D. 2,16 gam 6. Cho s bin ho C2H2+ H2O

xt

X

+ O2

xt

Y

+ NaOH

Z

+ NaOH

CaO,t

0

CH4

Cng thc ca cc cht X,Y,Z ln lt l A. CH2=CHOH, CH3CHO, CH3COONa. B. HCHO, HCOOH, HCOONa. C. CH3CHO, CH3COONa, CH3COOH. D. CH3CHO, CH3COOH, CH3COONa. 7. Trung hoa 1 mol - aminoaxit X can 1 mol HCl tao ra muoi Y co ham lng Clo la 28,286% ve khoi lng. Cong thc cau tao cua X la A. H2N-CH2-CH2-COOH B. CH3-CH(NH2)-COOH C.H2N-CH2-CH(NH2)-COOH D. H2N-CH2-COOH 8. Trong cc phn ng di y, phn ng no trong nc ng vai tr l mt axit Bronstet? A. NH3 + H2O NH4+ + OH-. B. HCl + H2O H3O+ + Cl-. C. CuSO4 + 5H2O CuSO4 .5H2O D. H2SO4 + H2O H3O+ + HSO4-. 9. Cho Al vao dung dch cha CuSO4 va FeSO4, phan ng ket thuc ta thu c dung dch X. Cho X tac dung vi dung dch NaOH d c ket tua Y. Vay X cha: A. Al2(SO4)3 va CuSO4 d B. Al2(SO4)3 va FeSO4 d C. FeSO4 va CuSO4 d D. FeSO4 10. Nguyen t cua mot nguyen to X co tong so hat (p,n,e) la 24. Trong o so hat mang ien gap oi so hat khong mang ien. Cau hnh electron lp ngoai cung cua X la: A. 2s22p4 B. 2s22p5 C. 3s23p4 D. 3s23p5 11. Hoa tan het m gam hon hp gom (FeO; Fe 2O3; Fe3O4) bang HNO3 ac, nong c 4,48 lt kh NO2 (ktc). Co can dung dch sau phan ng c 145,2 gam muoi khan. Gia tr m la : A. 35,7g B. 46,4g C. 15,8g D. 77,7g 12. Thuy tinh hu c c ieu che t chat nao sau ay: A. Butaien-1,3 va stiren B. Axit terphtalic va etylenglicol C. Metyl metacrylat D. Axit amino etanoic 13. ien phan nong chay muoi clorua cua mot kim loai M cho en khi anot khong con kh thoat ra th thu c 8,96 lit kh (ktc) va khoi lng catot tang them 9,6 gam. Cong thc cua muoi clorua la: A. CuCl2 B. CaCl2 C. MgCl2 D. KCl. 14. Trong mi trng axit v mi trng kim, cc polime trong dy sau u km bn:

A. polistren; polietilen; t tm. B. polistren; t capron; t nilon -6,6. C. t nilon- 6,6; t capron; t tm. D.nha phenolfomaehit; polivinylclorua; t capron. 15. ot chay hoan toan 8,8 gam FeS va 12 gam FeS2 thu c kh X. Cho kh nay suc vao V ml dung dch NaOH 25% (D = 1,28 g/ml) thu c muoi trung hoa. Gia tr toi thieu cua V la A. 50 ml B. 100 ml C. 75 ml D. 120 ml 16. ot chay mot hon hp hirocacbon ta thu c 2,24 lit CO2 (ktc) va 2,7g nc th the tch Oxi (ktc) a tham gia phan ng la: A. 2,24 lit B. 4,48 lit C. 5,6 lit D. 3,92 lit 17. ot chay hoan toan m gam hon hp 2 amin A, B bang mot lng Oxi va u thu c 26,4 gam CO2; 18,9 gam nc va 3,36 lit N2 (ktc). Gia tr cua m la: A. 12g B. 13,5g C. 16g D. 14,72g 18. Khi in phn dung dch hn hp gm: HCl, FeCl 3, CuCl2 cho n khi c kh thot ra catot th dng li. catot th t cc ion b kh l: A. Cu2+, Fe3+, H+ B. H+, Cu2+, Fe3+ C. Fe3+, Cu2+, H+ D. Cu2+, H+, Fe3+ 19. ot mt th tch kh thien nhien gom metan, etan, propan bng oxi khng kh (khng kh cha 20% oxi), thu c 7,84 lit CO2 (ktc) va 9,9g nc. Th tch khng kh (ktc) nho nhat can dung la: A. 56 lit B. 70 lit C. 78,4 lit D. 84 lit 20. Cho cc dung dch c nh s th t nh sau: 1. KCl 2. Na2CO3 3. CuSO4 4. CH3COONa 5. Al2(SO4)3 6. NH4Cl 7. NaNO3 8. K2S Dy gm cc dung dch u c gi tr pH > 7 l A. 2, 4, 8 B. 3, 5, 6 C. 3, 7, 8 D. 2, 4, 6 21. Trn 100 ml dung dch NaOH 0,3M vi 400 ml dung dch gm H2SO4 0,0375M v HCl 0,0125M, thu c dung dch X. Gi tr pH ca dung dch X l A. 1 B. 6 C. 2 D. 7 22. Hai anken co cong thc phan t C3H6 va C4H8 khi tac dung vi nc trong ieu kien tch hp thu c 3 ru. Hai anken o la A. propen va buten-1 B. propen va buten-2 C. propen va metyl propen D. Ca B va C eu ung. 23. So snh tnh axit ca cc cht sau y: C2H5OH (1), CH3COOH (2), C6H5OH (3), H-COOH(4) A. (2) > (3) > (1 ) > (4) B. (4) > (2) > (1 ) > (3) C. (2) > (4) > (3). > (1) D. (4) > (2) > (3). > (1) 24. Co 4 dung dch ng trong 4 lo mat nhan gom: Na2CO3, (NH4)2CO3, NaCl, NH4Cl. Thuoc th dung nhan biet 4 dung dch tren la A. Quy tm. B. NaOH C. Ca(OH)2. D. HCl. 25. Cac ong phan ng vi CTPT C8H10O (dan xuat cua benzen) co tnh chat: tach nc cho san pham co the trung hp tao polime, khong t/d NaOH. So ong phan thoa man tnh chat tren la: A. 1 B. 2 C. 3 D. 4 26. Hoa tan 15,6 g hon hp gom Al va Mg bang dung dch HCl d ,sau phan ng khoi lng dung dch axit tang them 14 g. Khoi lng cua Al va Mg trong hon hp ban au lan lt la : A. 10,8g va 4,8g B. 5,4g va 10,2g C. 8,1g va 8,5g D. 8,4g va 7,2g 27. Moi chat va ion trong day sau va co tnh kh va co tnh oxi hoa: A. SO2, S, Fe3+ B. Fe2+, Ca, KMnO4 C. Fe2+, S, Cl2 D. Fe2+, SO2, H2S 28. Cho cac chat: etyl axetat, anilin, ancol etylic, axit acrylic, phenol, phenylamoniclorua, ru benzylic, p-crezol.Trong cac chat nay, so chat tac dung c vi dd NaOH la: A. 3 B. 4 C. 5 D. 6 29. Cho 10,6g Na2CO3 vo 12g dung dch H2SO4 98%, s thu c bao nhiu gam dung dch? Nu c cn dung dch sau phn ng s thu c bao nhiu gam cht rn? A. 18,2g v 14,2g B. 18,2g v 16,16g C. 22,6g v 16,16g D. 7,1g v 9,1g 30. Phn ng : C4H6O2 (B) + NaOH 2 sp u c kh nng phn ng trng gng. CTCT ca B l : A. CH3-COO-CH=CH2 B. HCOO-CH2CH=CH2

C. HCOO-CH=CHCH3

D. HCOO-C(CH3)=CH2

31. Cho 0,5 mol Mg vo 200 ml dung dch cha Cu(NO3)21M , Fe(NO3)3 2M v AgNO3 1M, Khuy u cc phn ng xy ra hon ton , khi phn ng kt thc ta thu c cht rn B c khi lng l A. 56,8 gam. B. 29,6 gam. C. 44,2 gam. D. 45,6 gam. 32. Cho 1 gam Fe tiep xuc vi oxi mot thi gian thu c 1,24 gam hon hp Fe2O3 va Fe d. Lng Fe d la A. 0,036 gam B. 0,44 gam C. 0,87 gam D. 1,62 gam. 33. T Capron l sn phm ca phn ng trng ngng cht no sau y? A. H2N-(CH2)4-COOH B. H2N-(CH2)3-COOH C. H2N-(CH2)5-NH2. D. H2N-(CH2)5-COOH 34. Dung dch nc cua chat A lam quy tm nga mau xanh, con dung dch nc cua chat B khong lam oi mau quy tm. Tron lan dung dch cua hai chat lai th xuat hien ket tua. A va B co the la A. Na2CO3 va Ba(NO3)2. B. NaOH va FeCl3. C. K2CO3 va NH4Cl. D. NaOH va BaCl2. 35. t chy hon ton P g hn hp A gm 2 cht X,Y l ng ng ca anht focmic c 14,08 g CO2 . Mt khc ly P g A cho phn ng hon ton vi AgNO3 d trong dung dch NH3 thu c 25,92 g Ag .Tnh P ? A. 6,4 g B. 1,4 g C. 4,6 g D. 2,8 g 36. Dung dch Y cha Ca2+(0,1 mol), Mg2+(0,3 mol), Cl-(0,4 mol), HCO3-(y mol). Khi co can dung dch Y ta thu c muoi khan co khoi lng la A. 37,4 gam B. 49,8 gam C. 25,4 gam D. 30,5 gam 37. Nhom ma tat ca cac chat eu tac dung vi dung dch co cha Ag2O/NH3 la: A. Glucoz, C2H2, CH3CHO B. C2H2, C2H4, C2H6. C. C3H5(OH)3, CH3CHO, glucoz D. C2H2, C2H5OH, glucoz 38. Cho lung kh CO (d) qua hn hp cc oxit CuO, Fe 2O3, ZnO, MgO nung nhit cao. Sau phn ng hon ton, hn hp rn cn li l: A. Cu, FeO, ZnO, MgO B. Cu, Fe, Zn, Mg C. Cu, Fe, Zn, MgO D. Cu, Fe, ZnO, MgO 39. Cho 13,2 gam etyl axetat tac dung vi 200 ml dung dch NaOH 0,5M. Co can dung dch sau phan ng thu c chat ran khan co khoi lng la: A. 12,3g B. 16,4g C. 12,6g D. 8,2g 40. e kh hoan toan 3,04 gam hon hp Y gom FeO, Fe2O3, Fe3O4 can 0,05 mol H2. Mat khac hoa tan hoan toan 3,04 gam hon hp Y trong dung dch H2SO4 ac th thu c the tch (ktc) kh SO2 (la san pham kh duy nhat) la A. 224ml B. 336ml C. 448ml D. 112ml 41. Cho 8 gam Ca tan hoan toan trong 200 ml dung dch hon hp HCl 2M va H2SO4 0,75M thu c kh H2 va dung dch X. Co can dung dch X thu c lng muoi khan la A. 22,2 gam B. 25,95 gam C. 22,2 gam m 25,95 gam D. 22,2 gam m 27,2 gam 42. Cho 13,2 gam mot hp chat hu c A tac dung va u vi dung dch NaOH. Co can dung dch sau phan ng thu c 10,2 gam muoi khan. Cong thc phan t cua A la: A. C2H5COOH B. C2H5COOCH3 C. HCOOC3H7 D. C3H7COOH. 43. C 4 ng nghim ng 4 dung dch mui clorua gm: CuCl 2, MgCl2, FeCl3, AlCl3. Nu thm vo 4 ng nghim trn dung dch NaOH d, ri thm tip dung dch NH3 d. Sau cng s thu c bao nhiu kt ta? A. 1 B. 2 C. 3 D. 4 44. Co bao nhieu phan ng hoa hoc xay ra khi cho 5 chat sau tac dung vi nhau tng oi mot: CH3CHO, CH2=CHCOOH, H2, Dung dch NaOH, dung dch HCl. A. 3 B. 4 C. 5 D. 6 45. t a gam C 2H5OH thu c 0,2mol CO 2. t b gam CH 3COOH thu c 0,3 mol CO 2. Cho a gam C 2H5OH tc dng vi b gam CH 3COOH c xc tc (hiu sut phn ng l 75%) thu c m gam este. Khi lng m c gi tr no sau y: A. 6,8g B. 6,6g C. 7,8g D. 10,8g 46. Cho lung kh CO d i qua m gam hn hp X gm CuO, Fe2O3 nung nng. Sau khi phn ng xy ra hon ton thy khi lng cht rn gim 3,2gam. Th tch dung dch H2SO4 1M ti thiu ho tan ht m gam hn hp X l:

A. 150ml.

B. 100ml.

C. 200ml.

D. 250ml.

47. Cho phn ng sau: K2SO3 + KMnO4 + KHSO4 K2SO4 + MnSO4 + H2O H s ca K2SO3, K2SO4, H2O ln lt l A. 5, 5, 1 B. 5, 7, 2 C. 5, 9, 3 D. 2, 9, 3 48. Mot hon hp X gom FeCO3 va MCO3 ( M ch co hoa tr duy nhat ). Hoa tan hoan toan 9,48 gam X tieu ton het 110 gam dung dich HNO3 12,6% th thu c 2,24 lit hon hp kh NO, CO2 (ktc). Xac nh M? A. Mg B. Ba C. Ca D. Cu 49. Cho 5,1g hn hp X gm CH 4 v 2 anken ng ng lin tip qua dung dch brom d thy khi lng bnh tng 3,5g, ng thi th tch hn hp X gim mt na. Hai anken c cng thc phn t l: A. C 3H6 v C 4H8 B. C 2H4 v C 3H6 C. C 4H8 v C 5H10 D. C 5H10 v C 6H12 50. Cho hon hp X gom hai chat hu c co cung cong thc phan t C2H7NO2 tac dung va u vi dung dch NaOH va un nong, thu c dung dch Y va 4,48 lit hon hp Z (ktc) gom hai kh eu lam xanh quy tm am. T khoi cua Z oi vi Hiro bang 13,75. Co can dung dch Y c khoi lng hon hp muoi khan la: A. 8,9g B. 14,3g C. 16,5g D. 15,7g

E LUYEN THI SO 21. Trn 100 ml dung dch NaOH 0,3M vi 400 ml dung dch gm H 2SO4 0,0375M v HCl 0,0125M, thu c dung dch X. Gi tr pH ca dung dch X l A. 1 B. 6 C. 2 D. 7 2. Hai anken co cong thc phan t C3H6 va C4H8 khi tac dung vi nc trong ieu kien tch hp thu c 3 ru. Hai anken o la A. propen va buten-1 B. propen va buten-2 C. propen va metyl propen D. Ca B va C eu ung. 3. So snh tnh axit ca cc cht sau y: C2H5OH (1), CH3COOH (2), C6H5OH (3), H-COOH(4) A. (2) > (3) > (1 ) > (4) B. (4) > (2) > (1 ) > (3) C. (2) > (4) > (3). > (1) D. (4) > (2) > (3). > (1) 4. Co 4 dung dch ng trong 4 lo mat nhan gom: Na2CO3, (NH4)2CO3, NaCl, NH4Cl. Thuoc th dung nhan biet 4 dung dch tren la A. Quy tm. B. NaOH C. Ca(OH)2. D. HCl. 5. Cac ong phan ng vi CTPT C8H10O (dan xuat cua benzen) co tnh chat: tach nc cho san pham co the trung hp tao polime, khong t/d NaOH. So ong phan thoa man tnh chat tren la: A. 1 B. 2 C. 3 D. 4 6. Hoa tan 15,6 g hon hp gom Al va Mg bang dung dch HCl d ,sau phan ng khoi lng dung dch axit tang them 14 g. Khoi lng cua Al va Mg trong hon hp ban au lan lt la : A. 10,8g va 4,8g B. 5,4g va 10,2g C. 8,1g va 8,5g D. 8,4g va 7,2g 7. Moi chat va ion trong day sau va co tnh kh va co tnh oxi hoa: A. SO2, S, Fe3+ B. Fe2+, Ca, KMnO4 C. Fe2+, S, Cl2 D. Fe2+, SO2, H2S 8. Cho cac chat: etyl axetat, anilin, ancol etylic, axit acrylic, phenol, phenylamoniclorua, ru benzylic, p-crezol.Trong cac chat nay, so chat tac dung c vi dd NaOH la: A. 3 B. 4 C. 5 D. 6 9. Cho 10,6g Na2CO3 vo 12g dung dch H2SO4 98%, s thu c bao nhiu gam dung dch? Nu c cn dung dch sau phn ng s thu c bao nhiu gam cht rn? A. 18,2g v 14,2g B. 18,2g v 16,16g C. 22,6g v 16,16g D. 7,1g v 9,1g 10. Phn ng : C4H6O2 (B) + NaOH 2 sp u c kh nng phn ng trng gng. CTCT ca B l : A. CH3-COO-CH=CH2 B. HCOO-CH2CH=CH2 C. HCOO-CH=CHCH3 D. HCOO-C(CH3)=CH2 11. Cho 0,5 mol Mg vo 200 ml dung dch cha Cu(NO3)21M , Fe(NO3)2 2M v AgNO3 1M, Khuy u cc phn ng xy ra hon ton , khi phn ng kt thc ta thu c cht rn B c khi lng l

A. 56,8 gam. B. 29,6 gam. C. 44,2 gam. D. 45,6 gam. 12. Cho 1 gam Fe tiep xuc vi oxi mot thi gian thu c 1,24 gam hon hp Fe2O3 va Fe d. Lng Fe d la A. 0,036 gam B. 0,44 gam C. 0,87 gam D. 1,62 gam. 13. T Capron l sn phm ca phn ng trng ngng cht no sau y? A. H2N-(CH2)4-COOH B. H2N-(CH2)3-COOH C. H2N-(CH2)5-NH2. D. H2N-(CH2)5-COOH 14. Dung dch nc cua chat A lam quy tm nga mau xanh, con dung dch nc cua chat B khong lam oi mau quy tm. Tron lan dung dch cua hai chat lai th xuat hien ket tua. A va B co the la A. Na2CO3 va Ba(NO3)2. B. NaOH va FeCl3. C. K2CO3 va NH4Cl. D. NaOH va BaCl2. 15. t chy hon ton P g hn hp A gm 2 cht X,Y l ng ng ca anht focmic c 14,08 g CO2 . Mt khc ly P g A cho phn ng hon ton vi AgNO3 d trong dung dch NH3 thu c 25,92 g Ag .Tnh P ? A. 6,4 g B. 1,4 g C. 4,6 g D. 2,8 g 2+ 2+ 16. Dung dch Y cha Ca (0,1 mol), Mg (0,3 mol), Cl (0,4 mol), HCO3-(y mol). Khi co can dung dch Y ta thu c muoi khan co khoi lng la A. 37,4 gam B. 49,8 gam C. 25,4 gam D. 30,5 gam 17. Nhom ma tat ca cac chat eu tac dung vi dung dch co cha Ag2O/NH3 la: A. Glucoz, C2H2, CH3CHO B. C2H2, C2H4, C2H6. C. C3H5(OH)3, CH3CHO, glucoz D. C2H2, C2H5OH, glucoz 18. Cho lung kh CO (d) qua hn hp cc oxit CuO, Fe 2O3, ZnO, MgO nung nhit cao. Sau phn ng hon ton, hn hp rn cn li l: A. Cu, FeO, ZnO, MgO B. Cu, Fe, Zn, Mg C. Cu, Fe, Zn, MgO D. Cu, Fe, ZnO, MgO 19. Cho 13,2 gam etyl axetat tac dung vi 200 ml dung dch NaOH 0,5M. Co can dung dch sau phan ng thu c chat ran khan co khoi lng la: A. 12,3g B. 16,4g C. 12,6g D. 8,2g 20. e kh hoan toan 3,04 gam hon hp Y gom FeO, Fe2O3, Fe3O4 can 0,05 mol H2. Mat khac hoa tan hoan toan 3,04 gam hon hp Y trong dung dch H2SO4 ac th thu c the tch (ktc) kh SO2 (la san pham kh duy nhat) la A. 224ml B. 336ml C. 448ml D. 112ml 21. Bit th t dy in ho nh sau: Fe2+/Fe < 2H+/H2 < Cu2+/Cu < Fe3+/Fe2+. Phn ng no l sai trong cc phn ng sau: A. Fe + 2Fe3+ 3Fe2+. C. Fe + Cu2+ Fe2+.+ Cu. B. Fe2+ + 2H+ Fe3+ + H2. D. Cu + 2Fe3+ 2Fe2+.+ Cu2+. 22. Qua trnh nao khong tao CH3CHO? A. Cho vinyl axetat vao dung dch NaOH B. Cho C2H2 vao dung dch HgSO4 un nong C. Cho ru etylic qua CuO, to. D. Cho metyl acrylat vao dung dch NaOH 23. ot chay hoan toan 5,8 gam mot axit cacboxylic X mach thang thu c 0,2 mol CO2 va 0,1 mol H2O. Cong thc phan t cua X la A. C2H4O2 B. C3H4O4 C. C4H4O4 D. C6H6O4 24. Day gom cac hp chat co the hoa tan c Cu(OH)2 nhiet o phong la A. CH3CHO, HCOOH, C3H5(OH)3 B. CH3CHO, C2H4(OH)2, glucoz C. CH3COOH, C3H5(OH)3, Glucoz D. HCOOH, HCHO, C6H5OH. 25. ot chay hoan toan m gam hon hp hai ru ong ang lien tiep thu c 0,66 gam CO2 va 0,45 gam nc. Neu tien hanh oxi hoa hoan toan hon hp ru tren bang CuO, san pham tao thanh cho tac dung het vi dung dch co cha Ag2O/NH3 d th lng ket tua Ag thu c la A. 1,08 gam B. 3,24 gam C. 1,62 gam D. 2,16 gam 26. Cho s bin ho C2H2+ H2O

xt

X

+ O2

xt

Y

+ NaOH

Z

+ NaOH

CaO,t

0

CH4 B. HCHO, HCOOH, HCOONa.

Cng thc ca cc cht X,Y,Z ln lt l A. CH2=CHOH, CH3CHO, CH3COONa.

C. CH3CHO, CH3COONa, CH3COOH. D. CH3CHO, CH3COOH, CH3COONa. 27. Trung hoa 1 mol - aminoaxit X can 1 mol HCl tao ra muoi Y co ham lng Clo la 28,286% ve khoi lng. Cong thc cau tao cua X la A. H2N-CH2-CH2-COOH B. CH3-CH(NH2)-COOH C.H2N-CH2-CH(NH2)-COOH D. H2N-CH2-COOH 28. Trong cc phn ng di y, phn ng no trong nc ng vai tr l mt axit Bronstet? A. NH3 + H2O NH4+ + OH-. B. HCl + H2O H3O+ + Cl-. C. CuSO4 + 5H2O CuSO4 .5H2O D. H2SO4 + H2O H3O+ + HSO4-. 29. Cho Al vao dung dch cha CuSO4 va FeSO4, phan ng ket thuc ta thu c dung dch X. Cho X tac dung vi dung dch NaOH d c ket tua Y. Vay X cha: A. Al2(SO4)3 va CuSO4 d B. Al2(SO4)3 va FeSO4 d C. FeSO4 va CuSO4 d D. FeSO4 30. Nguyen t cua mot nguyen to X co tong so hat (p,n,e) la 24. Trong o so hat mang ien gap oi so hat khong mang ien. Cau hnh electron lp ngoai cung cua X la: A. 2s22p4 B. 2s22p5 C. 3s23p4 D. 3s23p5 31. Hoa tan het m gam hon hp gom (FeO; Fe 2O3; Fe3O4) bang HNO3 ac, nong c 4,48 lt kh NO2 (ktc). Co can dung dch sau phan ng c 145,2 gam muoi khan. Gia tr m la : A. 35,7g B. 46,4g C. 15,8g D. 77,7g 32. Thuy tinh hu c c ieu che t chat nao sau ay: A. Butaien-1,3 va stiren B. Axit terphtalic va etylenglicol C. Metyl metacrylat D. Axit amino etanoic 33. ien phan nong chay muoi clorua cua mot kim loai M cho en khi anot khong con kh thoat ra th thu c 8,96 lit kh (ktc) va khoi lng catot tang them 9,6 gam. Cong thc cua muoi clorua la: A. CuCl2 B. CaCl2 C. MgCl2 D. KCl. 34. Trong mi trng axit v mi trng kim, cc polime trong dy sau u km bn: A. polistren; polietilen; t tm. B. polistren; t capron; t nilon -6,6. C. t nilon- 6,6; t capron; t tm. D.nha phenolfomaehit; polivinylclorua; t capron. 35. ot chay hoan toan 8,8 gam FeS va 12 gam FeS2 thu c kh X. Cho kh nay suc vao V ml dung dch NaOH 25% (D = 1,28 g/ml) thu c muoi trung hoa. Gia tr toi thieu cua V la A. 50 ml B. 100 ml C. 75 ml D. 120 ml 36. ot chay mot hon hp hirocacbon ta thu c 2,24 lit CO2 (ktc) va 2,7g nc th the tch Oxi (ktc) a tham gia phan ng la: A. 2,24 lit B. 4,48 lit C. 5,6 lit D. 3,92 lit 37. ot chay hoan toan m gam hon hp 2 amin A, B bang mot lng Oxi va u thu c 26,4 gam CO2; 18,9 gam nc va 3,36 lit N2 (ktc). Gia tr cua m la: A. 12g B. 13,5g C. 16g D. 14,72g 38. Khi in phn dung dch hn hp gm: HCl, FeCl 3, CuCl2 cho n khi c kh thot ra catot th dng li. catot th t cc ion b kh l: A. Cu2+, Fe3+, H+ B. H+, Cu2+, Fe3+ C. Fe3+, Cu2+, H+ D. Cu2+, H+, Fe3+ 39. ot mt th tch kh thien nhien gom metan, etan, propan bng oxi khng kh (khng kh cha 20% oxi), thu c 7,84 lit CO2 (ktc) va 9,9g nc. Th tch khng kh (ktc) nho nhat can dung la: A. 56 lit B. 70 lit C. 78,4 lit D. 84 lit 40. Cho cc dung dch c nh s th t nh sau: 1. KCl 2. Na2CO3 3. CuSO4 4. CH3COONa 5. Al2(SO4)3 6. NH4Cl 7. NaNO3 8. K2S Dy gm cc dung dch u c gi tr pH > 7 l A. 2, 4, 8 B. 3, 5, 6 C. 3, 7, 8 D. 2, 4, 6

41. Cho 8 gam Ca tan hoan toan trong 200 ml dung dch hon hp HCl 2M va H2SO4 0,75M thu c kh H2 va dung dch X. Co can dung dch X thu c lng muoi khan la A. 22,2 gam B. 25,95 gam C. 22,2 gam m 25,95 gam D. 22,2 gam m 27,2 gam 42. Cho 13,2 gam mot hp chat hu c A tac dung va u vi dung dch NaOH. Co can dung dch sau phan ng thu c 10,2 gam muoi khan. Cong thc phan t cua A la: A. C2H5COOH B. C2H5COOCH3 C. HCOOC3H7 D. C3H7COOH. 43. C 4 ng nghim ng 4 dung dch mui clorua gm: CuCl 2, MgCl2, FeCl3, AlCl3. Nu thm vo 4 ng nghim trn dung dch NaOH d, ri thm tip dung dch NH3 d. Sau cng s thu c bao nhiu kt ta? A. 1 B. 2 C. 3 D. 4 44. Co bao nhieu phan ng hoa hoc xay ra khi cho 5 chat sau tac dung vi nhau tng oi mot: CH3CHO, CH2=CHCOOH, H2, Dung dch NaOH, dung dch HCl. A. 3 B. 4 C. 5 D. 6 45. t a gam C 2H5OH thu c 0,2mol CO 2. t b gam CH 3COOH thu c 0,3 mol CO 2. Cho a gam C 2H5OH tc dng vi b gam CH 3COOH c xc tc (hiu sut phn ng l 75%) thu c m gam este. Khi lng m c gi tr no sau y: A. 6,8g B. 6,6g C. 7,8g D. 10,8g 46. Cho lung kh CO d i qua m gam hn hp X gm CuO, Fe2O3 nung nng. Sau khi phn ng xy ra hon ton thy khi lng cht rn gim 3,2gam. Th tch dung dch H2SO4 1M ti thiu ho tan ht m gam hn hp X l: A. 150ml. B. 100ml. C. 200ml. D. 250ml. 47. Cho phn ng sau: K2SO3 + KMnO4 + KHSO4 K2SO4 + MnSO4 + H2O H s ca K2SO3, K2SO4, H2O ln lt l A. 5, 5, 1 B. 5 , 7, 2 C. 5, 9, 3 D. 2, 9, 3 48. Mot hon hp X gom FeCO3 va MCO3 ( M ch co hoa tr duy nhat ). Hoa tan hoan toan 9,48 gam X tieu ton het 110 gam dung dich HNO3 12,6% th thu c 2,24 lit hon hp kh NO, CO2 (ktc). Xac nh M? A. Mg B. Ba C. Ca D. Cu 49. Cho 5,1g hn hp X gm CH 4 v 2 anken ng ng lin tip qua dung dch brom d thy khi lng bnh tng 3,5g, ng thi th tch hn hp X gim mt na. Hai anken c cng thc phn t l: A. C 3H6 v C 4H8 B. C 2H4 v C 3H6 C. C 4H8 v C 5H10 D. C 5H10 v C 6H12 50. Cho hon hp X gom hai chat hu c co cung cong thc phan t C2H7NO2 tac dung va u vi dung dch NaOH va un nong, thu c dung dch Y va 4,48 lit hon hp Z (ktc) gom hai kh eu lam xanh quy tm am. T khoi cua Z oi vi Hiro bang 13,75. Co can dung dch Y c khoi lng hon hp muoi khan la: A. 8,9g B. 14,3g C. 16,5g D. 15,7g

LUYN THI S 3Cho bit nguyn t khi (theo vC) ca cc nguyn t: H = 1; He = 4; Li = 7; Be = 9; C = 12; N = 14; O = 16; Na = 23; Mg = 24; Al = 27; S = 32; Cl = 35,5; K = 39; Ca = 40; Cr = 52; Mn = 55; Fe = 56; Cu = 64; Zn = 65; Br = 80; Ag = 108; Sn = 119; Ba = 137; Pb = 207. Cu 1: Trn 300 ml dung dch cha NaOH 0,1M v Ba(OH)2 0,025M vi 200 ml dung dch H2SO4 aM thu c kt ta v 500 ml dung dch X c pH = 2. C cn dung dch X th thu c m gam cht rn. Gi tr ca m v a l (coi H2SO4 in li hon ton 2 nc) A. 2,13 gam; 0,125M B. 3,8775 gam; 0,5M C. 4,26 gam; 0,125M D. 2,13 gam; 0,25M Cu 2: Khi nhit phn hon ton cc cht sau: KClO3 (xc tc MnO2), NH4NO3, NaHCO3, NH4NO2, KMnO4, KNO3, BaCO3, AgNO3. S cht to ra O2 l A. 3 B. 4 C. 5 D. 6 Cu 3: Cho s phn ng: NaX(r) + H2SO4() NaHSO4 + HX (X l gc axit) Phn ng trn dng iu ch cc axit A. HF, HCl, HBr B. HBr, HI, HF

C. HNO3, HI, HBr D. HNO3, HCl, HF Cu 4: Mt hn hp A gm Ba v Al. Cho m gam A tc dng vi nc d, thu c 1,344 lt kh, dung dch B. Cho 2m gam A tc dng vi dung dch Ba(OH)2 d thu c 20,832 lt kh. (Cc phn ng u xy ra hon ton, cc th tch kh o iu kin tiu chun). Gi tr ca m l A. 10,155 B. 12,855 C. 12,21 D. 27,2 t0 Cu 5: Cho cc phn ng: 1) O3 + dd KI 2) F2 + H2O 3) MnO2 + HClc 4) Cl2 + dd H2S 0

5) H2O2 + Ag2O 0

t 6 ) CuO + NH3

0

t t 9) O3 + Ag 7) KMnO4 8) H2S + SO2 S phn ng to ra n cht l: A. 8 B. 5 C. 6 D. 7 Cu 6: Tin hnh in phn (c mng ngn xp) dung dch X cha hn hp gm 0,02 mol HCl v 0,05 mol NaCl vi cng dng in l 1,93A trong thi gian 3000 giy. Tnh tng th tch kh thot ra c hai in cc trong qu trnh in phn A. 1,344 lt B. 0,672 lt C. 0,448 lt D. 0,336 lt Cu 7: Cho a gam bt Zn vo 200 ml dung dch X gm AgNO3 0,1M v Cu(NO3)2 0,15M th thu c 3,44 gam cht rn Y. Gi tr ca a l A. 1,3 gam B. 1,625 gam C. 1,95 gam D. 2,275 gam Cu 8: Ha tan 5,85 gam bt kim loi Zn trong 100 ml dung dch Fe2(SO4)3 0,5M. Sau khi phn ng xong, khi lng dung dch thu c nh th no so vi khi lng ca 100 ml dung dch Fe2(SO4)3 0,5M trc phn ng? A. Khi lng dung dch tng 3,25 gam. B. Khi lng dung dch gim xung 3,61 gam. C. Khi lng dung dch tng 3,61 gam. D. Khi lng dung dch tng 2,49 gam. Cu 9: Nung 34,6 gam hn hp gm Ba(HCO3)2, Ca(HCO3)2, NaHCO3 v KHCO3 thu c 3,6 gam H2O v m gam hn hp cc mui cacbonat. Gi tr ca m l A. 43,8 B. 22,2 C. 17,8 D. 31 Cu 10: Cho cc dung dch sau: NaOH, Na2CO3, NaHCO3, AlCl3, CaCl2, Ca(HCO3)2, Mg(HCO3)2, K2SO3, K2SO4 ln lt tc dng vi dung dch Ba(OH)2. S cht phn ng l A. 5 B. 6 C. 7 D. 8 Cu 11: Cho cc oxit: SO2, NO2, CrO3, CO2, CO, P2O5, NO, N2O5, SO3. S oxit trong dy tc dng c vi nc iu kin thng l A. 4 B. 5 C. 6 D. 7 Cu 12: Chn pht biu ng A. Hp cht H2N-CH2CONH-CH2CH2-COOH l mt ipeptit B. Hp cht H2N-COOH l mt amino axit n gin nht C. Lng trng trng tc dng c vi Cu(OH)2 to phc cht mu xanh lam D. T alanin v glyxin c kh nng to ra 4 loi polime khc nhau khi tin hnh trng ngng chng Cu 13: Trong cc cht sau y, cht no c lin kt cng ho tr ? 1. H2S 2. SO2 3. NaCl 4. CaO 5. NH3 6. HBr 7. H2SO4 8. CO2 9. K2S A. 1, 2, 3, 4, 8. B. 1, 4, 5, 7, 8, 9. C. 1, 2, 5, 6, 7, 8. D. 3, 5, 6, 7, 8, 9. Cu 14: Cho phng trnh phn ng sau: C6H5C2H5 + KMnO4 C6H5COOK + MnO2 + CO2 + KOH + H2O. H s nguyn ti gin ng trc cht b kh khi phn ng cn bng l A. 10. B. 4. C. 12. D. 3. Cu 15: Vi cc phn ng sau y trong dung dch: (1): Cu + FeCl 2 (2): Cu + Fe2(SO4)3 (3): Fe(NO3)2 + AgNO3 (4): FeCl3 + AgNO3 (5): Fe + Fe(NO 3)2 (6): Fe + NiCl 2 (7): Al + MgSO 4 (8): Fe + Fe(CH3COO)3 Phn ng xy ra c l: A. (2), (3), (5), (6), (8) B. (2), (3), (4), (7), (8) C. (2), (3), (4), (6), (8) D. (3), (4), (6), (7), (8) Cu 16: Cho 18,5 gam hn hp gm Fe v Fe3O4 tc dng vi 200 ml HNO3 long, un nng. Sau khi phn ng thu c 2,24 lt NO duy nht (ktc), dung dch D v cn li 1,46 gam kim loi. Nng ca dung dch HNO3 l: A. 5,1M B. 3,5M C. 3,2M D. 2,6M Cu 17: Cho cc pht biu sau: 1. H tinh bt l hn hp ca tinh bt v nc khi un nng 2. Thnh phn chnh ca tinh bt l amiloz 3. Cc gc -glucoz trong mch amilopectin lin kt vi nhau bi lin kt 1,4-glicozit v 1,6-glicozit

4. Tinh bt v xenluloz u l polime c cu trc mch khng phn nhnh 5. Tinh bt v xenluloz u ha tan trong dung dch H2SO4 khi un nng v tan trong nc svayde 6. Xenluloz c dng iu ch thuc sng khng khi, sn xut t visco v t axetat 7. Trong bt m cha nhiu tinh bt nht v trong bng nn cha nhiu xenluloz nht 8. Nh vi git dung dch it vo nhm bng s thy nhm bng chuyn thnh mu xanh 9. S to thnh tinh bt trong cy xanh l nh CO2, H2O v nh sng mt tri 10. Cc hp cht: glucoz, fructoz, saccaroz, mantoz, tinh bt, xenluloz u cha chc ete v ancol trong phn t S pht biu khng ng l A. 3 B. 4 C. 5 D. 6 Cu 18: Cho 5,8 gam mui FeCO3 tc dng vi dung dch HNO3 va , thu c hn hp kh cha CO2, NO v dung dch X. Cho dung dch HCl d vo dung dch X c dung dch Y, dung dch Y ny ha tan c ti a m gam Cu, sinh ra sn phm kh NO duy nht. Gi tr ca m l: A. 9,6 gam B. 11,2 gam C. 14,4 gam D. 16 gam Cu 19: Cacbon phn ng vi tt c cc cht trong dy no sau y ? A. Fe2O3, Al2O3, CO2, HNO3 B. CO, Al2O3, HNO3 (c), H2SO4 (c) C. Fe2O3, CO2, CaO, HNO3 (c) D. H2, Al2O3, Fe3O4, Ca, HCl Cu 20: t chy hon ton hn hp gm etanol v phenol c t l mol 3:1, cho ton b sn phm chy vo bnh ng dung dch nc vi trong th thu c 15 gam kt ta, ly dung dch sau phn ng tc dng vi dung dch NaOH d th thu c 7,5 gam kt ta na. Khi lng bnh ng dung dch nc vi s A. tng 18,6 gam B. tng 13,2 gam C. tng 3,6 gam D. tng 5,4 gam Cu 21: Cho chui phn ng sau: H 2 SO4 H 2 SO4 HBr NaOH dd Br2 KOH ,t 0 , ancol Butan-1-ol X Y Z T K L 1800 C 1800 C Tn ca L l (bit cc cht trong dy u l sn phm chnh) A. but-2-en. B. but-1-en. C. but-1-in. D. but-2-in. Cu 22: Hn hp X gm propenal v hiro. Cho hn hp X i qua ng s ng Ni lm xc tc un nng. Sau khi phn ng xy ra hon ton, thu c hn hp Y gm 3 cht l propanal, propan-1-ol v propenal. Mt mol hn hp Y c khi lng 57 gam. Khi lng ca 1 mol hn hp X l: A. 28 gam B. 34 gam C. 38 gam D. 42 gam Cu 23: Ha tan ht m gam hn hp A gm Al v FexOy bng dung dch HNO3, thu c phn kh gm 0,05 mol NO v 0,03 mol N2O, phn lng l dung dch D. C cn dung dch D, thu c 37,95 gam hn hp mui khan. Nu ha tan lng mui ny trong dung dch xt d th thu c 6,42 gam kt ta mu nu . Gi tr ca m v oxit FexOy l: A. 7,29 gam; FeO B. 9,72 gam; Fe3O4 C. 9,72 gam; Fe2O3 D. 7,29 gam; Fe3O4 Cu 24: Axit hu c n chc no mch h c cng thc tng qut l CnH2n+1COOH. C bao nhiu lin kt n trong phn t axit ny A. 3n + 2 B. 3n + 3 C. 2n + 3 D. 2n + 2 Cu 25: Este X c cng thc phn t C7H12O4, khi cho 16 gam X tc dng va vi 200 gam dd NaOH 4% th thu c mt ancol Y v 17,80 gam hn hp 2 mui. Cng thc cu to thu gn ca X l cng thc no? A. HCOOCH2CH2CH2CH2OOCCH3 B. CH3COOCH2CH2CH2OOCCH3 C. C2H5COOCH2CH2CH2OOCH D. CH3COOCH2CH2OOCC2H5 Cu 26: em x phng ha 5 kg cht bo c ch s axit bng 5,04 bng cch un nng vi dung dch c cha 702 gam NaOH. trung ha lng xt cn d trong dung dch sau phn ng th cn dng dung dch c ha tan 0,3 mol HCl. Khi lng x phng thu c l: A. 5,1667 kg B. 5,3503 kg C. 4,7562 kg D. 5,3454 kg Cu 27: A l hn hp kh gm SO2 v CO2 c t khi hi so vi H2 l 27. Dn a mol hn hp kh A qua bnh ng 1 lt dung dch NaOH 1,5a M, sau phn ng c cn dung dch thu c m gam mui. Biu thc lin h gia m v a l A. m = 105a B. m = 87a C. m = 116a D. m = 141a Cu 28: Hn hp X gm C2H2 v H2 ly cng s mol. Ly mt lng hn hp X cho i qua cht xc tcNi, un nng c hn hp Y gm 4 cht. Dn Y qua bnh ng nc brom d thy khi lung bnh tng 10,8 gam v thot ra 4,48 lt kh Z (ktc) c t khi so vi H2 l 8. Th tch O2 (ktc) cn t chy hon ton hn hp Y l A. 33,6 lt. B. 22,4 lt. C. 16,8 lt. D. 44,8 lt. Cu 29: Chn pht biu khng ng A. Cng thc phn t C4H8 c tt c 6 ng phn B. Hp cht hu c C2H7O2N khng phi l amino axit

C. Ankin khi tc dng vi nc vi xc tc thch hp ch cho t l cng 1:1 D. Khi t chy mt hp cht hu c c cha C, H, O, N thu c nCO2 < nH2O th hp cht ch c lin kt n v mch h. Cu 30: Cc cht: Amoniac (1); Anilin (2); Metylamin (3); iphenylamin (4); imetylamin (5); p-Metylphenylamin (6); p-Nitrophenylamin (7). Lc baz cc cht tng dn theo th t l: A. (4) < (6) < (7) < (2) < (1) < (3) < (5) B. (4) < (7) < (2) < (6) < (1) < (3) < (5) C. (4) < (2) < (7) < (6) < (1) < 3) < (5) D. (4) < (7) < (6) < (2) < (1) < (3) < (5) Cu 31: Sc 1,568 lt kh CO2 (ktc) vo 500 ml dung dch NaOH 0,16M. Sau th nghim c dung dch A. Rt 250 ml dung dch B gm BaCl2 0,16M v Ba(OH)2 xM vo dung dch A thu c 3,94 gam kt ta. Gi tr ca x l: A. 0,015M B. 0,02M C. 0,025M D. 0,03M Cu 32: Ho tan ht m gam Fe bng 400 ml dung dich HNO3 1M. Sau khi phn ng xy ra hon ton thu c dung dch cha 26,44 gam cht tan v kh NO (sn phm kh duy nht). Gi tr ca m l A. 7,84 B. 6,12 C. 5,60 D. 12,24 Cu 33: ng trng hp buta1,3ien vi acrilonitrin(CH2=CHCN) theo t l tng ng x : y, thu c mt loi polime. t chy hon ton mt lng polime ny, thu c hn hp kh v hi (CO 2, H2O, N2) trong c 57,69% CO2 v th tch. T l x : y khi tham gia trng hp l bao nhiu ? x x x x A. = 3 . B. = 4 . C. = 5 . D. = 6 . y y y y Cu 34: X l mt cht hu c cha mt loi nhm chc c cng thc phn t C8H8O2. X khng tc dng vi Na. Qua th nghim cho thy 13,6 gam X tc dng va vi 100 ml dung dch NaOH 2M khi un nng. X c th c bao nhiu ng phn ph hp vi thc nghim ny? A. 1 B. 2 C. 4 D. 5 Cu 35: Cho cc cht sau: eten, xiclopropan, etilen oxit, caprolactam, vinyl xianua, stiren, toluen, propenol, propenoic, propenal, vinyl amin, phenol, anilin, glyxin, metyl metacrylat, vinyl axetat, vinyl clorua, axetilen, butaien, isopren. S cht khng c kh nng tham gia phn ng trng hp l A. 4 B. 6 C. 3 D. 5 Cu 36: Cho dy bin ha sau: Natri axetat Metan Axetilen Vinylaxetilen Butaien Polibutaien. S phn ng oxi ha kh trong dy l: A. 5 B. 4 C. 3 D. 2 Cu 37: t chy hon ton mt hn hp A gm glucoz, anehit fomic, axit axetic cn 2,24 lt O2 (ktc). Dn sn phm chy qua bnh ng dung dch Ca(OH) 2 d, thy khi lng bnh tng m gam. Gi tr ca m l A. 6,2 B. 4,4 C. 3,1 D. 12,4 Cu 38: A l hn hp cc mui Cu(NO3)2, Fe(NO3)2, Fe(NO3)3, Mg(NO3)2. Trong O chim 9,6% v khi lng. Cho dung dch KOH d vo dung dch cha 50 gam mui A. Lc kt ta thu c em nung trong chn khng n khi lng khng i thu c m gam oxit. Gi tr ca m l A. 47,3 B. 44,6 C. 17,6 D. 39,2 Cu 39: Hn hp A gm mt ankan v mt anken. t chy A thu c a mol H2O v b mol CO2. T l t s gia a v b. T c tr s trong khong no? A. 0,5 < T < 2 B. 1 < T < 1,5 C. 1 < T < 3 D. 1 < T < 2 Cu 40: Cho dy cc cht: CH4, C2H2, C2H4, C2H5OH, CH2=CH-COOH, C6H5NH2(anilin), C6H5OH (phenol), C6H6(benzen), CH3CHO. S cht trong dy phn ng c vi nc brom l A. 5 B. 6 C. 7 D. 8 Cu 41: Ancol X, anehit Y, axit cacboxylic Z c cng s nguyn t H trong phn t, thuc cc dy ng ng no n chc mch h. t hon ton hn hp 3 cht ny (c s mol bng nhau) thu c t l mol CO 2 : H2O =11:12. Vy cng thc phn t ca X, Y, Z l: A. CH4O, C2H4O, C2H4O2 B. C2H6O, C3H6O, C3H6O2 C. C3H8O, C4H8O, C4H8O2 D. C4H10O, C5H10O, C5H10O2 Cu 42: Cho dung dch X gm: 0,007 mol Na+; 0,003 mol Ba2+; 0,006 mol Cl-; 0,006 mol HCO3- v 0,001 mol NO3-. loi b ht ion Ba2+ trong X cn mt lng va dung dch cha a gam Ba(OH)2 v thu c dung dch Y. C cn dung dch Y thu c m gam cht rn. Gi tr ca a v m ln lt l A. 0,342 v 0,452. B. 0,342 v 0,847. C. 0,513 v 0,436. D. 0,513 v 0,872. Cu 43: Hn hp X gm 2 anehit n chc A, B. Khi cho 1,42 gam hn hp X vo dung dch AgNO3/NH3 d thu c 8,64 gam Ag. Hiro ha hon ton 1,42 gam hn hp X thnh hn hp ancol Y. Cho ton b hn hp Y vo bnh ng Na d thu c 0,336 lt H2 (ktc). Cng thc ca A, B ln lt l. A. CH2=CH-CHO v CH3CHO B. HCHO v CH2=CH-CHO

C. HCHO v CH3-CH2-CHO D. CH3CHO v CH2=CH-CHO Cu 44: Hn hp gm 0,1 mol acrolein, 0,15 mol axit acrylic v 0,32 mol H2. Nung nng hn hp c Ni lm xc tc. Sau th nghim thu c hn hp hi c khi lng mol trung bnh bng 56,8. Hiu sut H2 tham gia phn ng l: A. 84,38% B. 85% C. 95,32% D. 80% Cu 45: C 6 ng nghim, mi ng nghim cha mt trong cc dung dch sau: glixerol; glucoz; lng trng trng; axit fomic; natri hiroxit; axit axetic . phn bit 6 dung dch ny c th dng mt loi thuc th l A. Qi tm. B. CuSO4. C. AgNO3/NH3. D. Br2. Cu 46: ipeptit mch h X v tripeptit mch h Y u c to nn t mt aminoaxit (no, mch h, trong phn t cha mt nhm -NH2 v mt nhm -COOH). t chy hon ton 0,1 mol Y, thu c tng khi lng CO2 v H2O bng 54,9 gam. t chy hon ton 0,2 mol X, sn phm thu c cho li t t qua nc vi trong d, to ra m gam kt ta. Gi tr ca m l A. 120. B. 45. C. 30. D. 60. Cu 47: Cho mt thanh Zn vo ng nghim cha 200 ml dung dch CrCl 3 1M. Sau khi cc phn ng xy ra hon ton th ly thanh Zn ra em cn th khi lng thanh km s A. gim 9,1 gam B. gim 13 gam C. gim 6,5 gam D. gim 18,2 gam Cu 48: Trn u 6,102 gam hn hp Al, Fe3O4 v CuO (cc cht c cng s mol) ri tin hnh phn ng nhit nhm thu c hn hp X. Cho X tc dng vi dung dch HNO 3 d c V ml ( ktc) hn hp kh NO2 v NO theo t l mol tng ng l 1:1. Gi tr ca V l A. 806,4 B. 604,8 C. 403,2 D. 645,12 Cu 49: Phng php tng hp axit axetic trong cng nghip l CH 3OH + CO CH3COOH. Metanol c khi lng ring l 0,79 g/cm 3 cn axit axetic c khi lng ring l 1,05 g/cm 3. Th tch metanol cn dng sn xut c 100 m 3 axit axetic theo phng php trn l (bit hiu sut phn ng t 85%) A. 83,4 m3 B. 80,5 m3 C. 75,8 m3 D. 96,2 m3 Cu 50: Cho cc cht: metylclorua, vinylclorua, anlylclorua, etylclorua, iclometan, 1,2-icloetan, 1,1icloetan, 1,2,3-triclopropan, 2-clopropen, triclometan, phenylclorua, benzylclorua. S cht khi thy phn trong mi trng kim iu kin thch hp th thu c ancol l. A. 5 B. 6 C. 7 D. 8

LUYN THI S 4Bit: Cac khi KTC (Tr bai co iu kin khng KTC), cac phan ng xay ra hoan toan (Tr bai co hiu sut phan ng ) Bit: H=1; C=12; N=14; O=16; Na=23; Mg=24; Al=27; S=32; Cl=35,5K=39; Ca=40; Cr=52; Fe=56; Cu=64; Zn=65; Br=80; Ba=137 01. Trong cng nghip HCl c th iu ch bng phng php sulfat theo phng trnh phn ng: t0 2HCl + Na2SO4 2NaCl (tinh th) + H2SO4 (c) Ti sao phng php ny khng c dng iu ch HBr v HI ? A. Do NaBr v NaI t tin, kh kim B. Do Br-, I- c phn ng vi H2SO4 c, nng. C. Do tnh axit ca H2SO4 yu hn HBr v HI. D. Do HBr v HI sinh ra l cht c 02. t chy hon ton mt lng hn hp 2 este, cho sn phm qua bnh ng P2O5 d, khi lng bnh tng thm 6,21 gam, sau cho qua tip dung dch Ca(OH)2 d thu c 34,5 gam kt ta. Mt khc cho 6,828 gam hn hp este tc dng va vi dung dch KOH thu c 7,7 gam hn hp 2 mui v 4,025 gam mt ancol. Bit khi lng phn t 2 mui hn km nhau 28 vC . Cng thc cu to: A. HCOOCH3; CH3COOCH3. B. CH3COOCH3; C2H5COOCH3. C. CH3COOC2H5; C2H5COOC2H5. D. HCOOC2H5; C2H5COOC2H5 03. Saccaroz c tnh cht no trong s cc tnh cht sau: 1/ polisaccarit. 2/ khi tinh th khng mu. 3/ khi thu phn to thnh glucoz v frutoz. 4/ tham gia phn ng trng gng. 5/ phn ng vi Cu(OH)2. S tnh cht ng cua saccaroz la: A. 5 B. 3. C. 4 D. 2 04. Kh 3,48 gram mt oxit kim loi cn dng 1,344 lt H2(ktc). Ton b lng kim loi M thu c cho tc dng vi dung dch HCl d cho 1,008 lt H2 (ktc),. Kim loi M v oxit ca n tng ng l: A. Fe va Fe3O4 B. Fe va Fe2O3 C. Cr va Cr2O3. D. Cr va CrO. 05. Khi cho dung dich axit HCl ln lt tac dung vi Fe, CaO, Cu(OH)2, KMnO4, Na2CO3. Kt lun nao sau y y u v tinh cht cua axit HCl: A. Axit manh B. Axit manh, va co tinh kh, va co tinh oxihoa.

C. Axit manh, co tinh kh. D. Axit manh, co tinh oxihoa. 06. Trn dung dch cha Ba2+; OH- 0,06 mol v Na+ 0,02 mol vi dung dch cha HCO-3 0,04 mol; CO2-3 0,03 mol v Na+. Khi lng kt ta thu c sau phn ng l: A. 5,91 gam B. 1,97 gam C. 3,94 gam D. 7,88 gam 07. S cht ng vi cng thc phn t C4H10O2 c th ho tan c Cu(OH)2 l: A. 2 B. 4. C. 3. D. 5. 08. Cho khi lng ring ca cn nguyn cht l (d=0,8 gam/mL). Hi t 10 tn v bo cha 80% xenluloz c th iu ch c bao nhiu tn cn thc phm 45o. Bit hiu sut ton b qu trnh iu ch l 64,8%. A. 2,94 tn. B. 7,44 tn. C. 11,48 tn. D. 9,30 tn. 09. Cho cc cht sau: axit glutamic; valin, lixin, alanin, trimetylamin, anilin. S cht lm qu tm chuyn mu hng, mu xanh, khng i mu ln lt l: A. 3, 1, 2. B. 1, 2, 3. C. 2, 1,3. D. 1, 1, 4. 10. : Dy gm cc hirocacbon khi tc dng vi clo theo t l mol: 1:1(chiu sng) u thu c 4 dn xut monoclo l A. metyl xiclopentan v iso pentan B. iso pentan v 2,2- imetyl butan C. 2,2- imetyl pentan v 2,3- imetyl butan D. 2,3- imetyl butan v metyl xiclopentan 11. Cho cc cht: etyl axetat, anilin, ancol etylic, axit acrylic, phenol, phenylamoni clorua, ancol benzylic, pcrezol. Trong cc cht ny, s cht tc dng c vi dung dch NaOH l A. 5 B. 6 C. 3 D. 4 12. iu ch dung dch H2SO4 0,125 M bng cch pha long H2SO4 c 95%(d=1,84 g/ml), c th pha long vi nc: A. 7,00 ml axit thnh 1000 ml. B. 5,00 ml axit thnh 500 ml C. 11,00 ml axit thnh 1000 ml D. 15,00 ml axit thnh 2000 ml 13. un nng dung dch c cha 36 gam hn hp cha glucoz v fructoz (t l mol 1:1) vi mt lng va dung dch AgNO3/NH3 thy Ag tch ra . Lng Ag thu c v khi lng AgNO3 cn dng ln lt l: A. 43,2 va 34 gam. B. 43,2 va 68 gam. C. 21,6 va 68.gam. D. 21,6 va 34 gam. 14. Ho tan ht m gam Al2(SO4)3 vo nc c dung dch A. Cho 300 ml dung dch NaOH 1M vo A, thu c a gam kt ta. Mc khc, nu cho 200 ml dung dch KOH 2M vo A, cng thu c a gam kt ta. Gi tr ca m l A. 32.75 B. 22.75 C. 21.375 D. 17.175 15. Hn hp X gm etan, propen, buta-1,3 dien co ti khi hi so vi hidro la 22,2. Khi t chay hoan toan 2,24 lit hn hp X (ktc), ri cho toan b san phm chay hp thu vao dung dich Ca(OH)2 d thu c m gam kt tua. Gia tri cua m la: A. 35 gam B. 32 gam C. 28 gam D. 30 gam 16. T cc cht ban u l KMnO4, CuS, Zn, dd HCl c th iu ch trc tip (Bng 1 phan ng) c bao nhiu cht kh iu kin thng? A. 3 B. 5 C. 4 D. 2 17. Cho cc cht sau: Phenol, Axit acrylic, Glixerol, ancol etylic, Cu(OH)2, v dung dch brom. S cp cht phn ng c vi nhau l A. 5 B. 7 C. 6. D. 4 18. Cc hp cht ca dy no va th hin tnh oxi ha, va th hin tnh kh? A. Cl2O7, SO2, CO2. B. H2O2, SO2, FeSO4. C. H2SO4, SO3, HCl. D. H2S, KMnO4, HI. 19. Trn 3 dung dch Ba(OH)2 0,1M, NaOH 0,2M, KOH 0,3 M vi nhng th tch bng nhau thu c dung dch A. Ly 300ml dung dch A cho phn ng vi V lt dung dch B gm HCI 0,2M v HNO3 0,29M. Thu c dung dch C c pH =12.Gi tr ca V l A. 0,424 lt B. 0,414 lt . C. 0,134 lt D. 0,214 lt 20. A l hp cht hu c mch vng cha C, H, N trong N chim 15,054% theo khi lng. A tc dng vi HCl to ra mui c dng RNH3Cl. Cho 9,3g A tc dng ht vi nc brom d thu c a g kt ta. Gi tr ca a l A. 30 gam B. 33 gam C. 44 gam D. 36 gam 21. Cho hn hp hai anken ng ng k tip nhau tc dng vi nc (c H2SO4 lm xc tc) thu c hn hp Z gm hai ancol X v Y. t chy hon ton 1,06 gam hn hp Z sau hp th ton b sn phm chy vo 2 lt dung dch NaOH 0,1M thu c dung dch T trong nng ca NaOH bng 0,05M. Cng thc cu to thu gn ca X v Y l A. CH3OH; C3H7OH. B. C2H5OH; C3H7OH. C. C4H9OH; C3H7OH. D. C2H5OH; CH3OH. 22. : Dng nhng ha cht no sau y c th nhn bit c bn cht lng khng mu l glixerol, ancol etylic, dung dch glucoz v anilin ?

A. Na v dung dch Br2 B. Dung dch Br2 v Cu(OH)2 C. Dung dch AgNO3 / NH3 v Cu(OH)2 D. Na v dung dch AgNO3 / NH3 23. Mt hp cht X (c khi lng phn t bng 103). Cho 51,50 gam X phn ng ht vi 500 ml dung dch NaOH 1,20M, thu c dung dch Y trong c mui ca aminaxit, ancol (c khi lng phn t ln hn khi lng phn t O2), C cn Y thu m gam cht rn. Gi tr m l A. 48,50 B. 52,50 C. 26,25 D. 24,25 24. Trong cc nhn xt sau, (1) Phn hn hp l phn NPK. (2) Amophot l mt loi phn phc hp. (3) Trong supephotphat kp, dinh dng ca phn ln l 60,68%. (4) dinh dng ca phn kali KCl l 63,08%. (5) Thnh phn chnh ca phn ln nung chy l hn hp photphat v silicat ca magie, canxi. (6) m amoni khng lm chua t. S nhn xt ng l: A. 6 B. 3 C. 4 D. 5 25. Cho hn hp gm 0,01 mol Al v 0,02 mol Mg tc dng vi 100ml dung dch cha AgNO3 v Cu(NO3)2, sau khi phn ng xy ra hon ton thu c m gam cht rn X gm 3 kim loi, X tc dng hon ton vi HNO3 c, d thu c V lt NO2( ktc v duy nht ). Gi tr ca V l A. 1,568 B. 1,232. C. 2,24. D. 1,680. 26. 1,72 gam hn hp anehit acrylic v anehit axetic tham gia phn ng cng va 1,12 lt H2(ktc). Cho thm 0,696 gam anehit B l ng ng ca anehit fomic vo 1,72 gam hn hp 2 anehit trn ri cho hn hp thu c tham gia phn ng trng bc hon ton c 10,152 gam Ag. S cng thc cu to ca B l: A. 2 B. 3 C. 1 D. 4 27. Dung dch Na2S tc dng vi tt c cc cht trong dy no sau y? A. HCl, H2S, KCl, Cu(NO3)2, ZnCl2. B. HCl, H2S, FeCl3, Cu(NO3)2, ZnCl2. C. HCl, K2S, FeCl3, Cu(NO3)2, ZnCl2. D. H2SO4, H2S, FeCl3, Cu(NO3)2, AgCl. 28. Cho 17,80 gam bt Fe vo 400 ml dung dch hn hp gm Cu(NO3)2 0,40M v H2SO4 0,50M. Sau khi cc phn ng xy ra hon ton, thu c m gam hn hp kim loi v V lt kh NO (sn phm kh duy nht, ktc). Gi tr m v V l A. 11,20 v 3,36 B. 10,68 v 3,36 C. 11,20 v 2,24 D. 10,68 v 2,24 29. C 3 kim loi X, Y, Z tha mn: - X tc dng vi HCl, khng tc dng vi NaOH v HNO3 c ngui. - Y tc dng c vi HCl v HNO3 c ngui, khng tc dng vi NaOH. - Z tc dng c vi HCl v NaOH, khng tc dng vi HNO3 c ngui. Vy X, Y, Z ln lt l A. Fe, Mg, Zn. B. Fe, Mg, Al. C. Zn, Mg, Al. D. Fe, Al, Mg. 30. Trong t nhin Ag c hai ng v bn l 107Ag v 109Ag. Nguyn t khi trung bnh ca Ag l 107,87. Hm lng 107Ag c trong AgNO3 l (bit N =14; O =16): A. 35,59%. B. 43,12%. C. 38,85%. D. 33,56%. 31. Cho dung dch NH3 d vo dung dch X cha hn hp MgCl2 , ZnCl2 v FeCl3, FeCl2 thu c kt ta Y. Nung kt ta Y trong khng khi ta c cht rn A , cho lung kh CO d i qua A nung nng n phn ng hon ton thu c cht rn B. Trong B c cha: A. Fe2O3, MgO, ZnO B. Fe, Mg, Zn. C. Fe, MgO D. Fe, MgO, ZnO 32. Cho Ba kim loi ln lt vo cc dung dch sau: NaHCO3, CuSO4, (NH4)2CO3, NaNO3, MgCl2. S dung dch to kt ta l A. 3 B. 4 C. 5 D. 2 33. S ng phn cu tao este mch thng c cng thc phn t C6H10O4 khi cho tc dng vi NaOH to ra 1 ancol va 1 mui la: A. 4. B. 2. C. 3. D. 5. 34. Chia 10 gam hn hp gm (Mg, Al, Zn) thnh hai phn bng nhau. Phn 1 c t chy hon ton trong O2 d thu c 21 gam hn hp oxit. Phn hai ha tan trong HNO3 c, nng d thu c V (lit) NO2 (sn phm kh duy nht) ktc. Gi tr ca V l: A. 30,8 lit B. 89,6 lit. C. 22,4 lit. D. 44,8 lit 35. Cho 0.1 mol cht X ( CH6O3N2) tc dng vi dung dch cha 0,2 mol NaOH un nng thu c cht kh lm xanh giy qu tm m v dung dch Y. C cn dung dch Y thu c m gam rn khan. Gi tr ca m l A. 12.5 B. 21.8 C. 15 D. 8.5 36. Trong s cc dung dch: NaOH, NaHCO3, NaHSO4, BaCl2 th s cp dung dch c th phn ng vi nhau l:

A. 5 B. 6 C. 3 D. 4 37. Thu phn hon ton 1 mol pentapeptit A th thu c 3 mol glyxin; 1 mol alanin v 1mol valin. Khi thu phn khng hon ton A th trong hn hp sn phm thy c cc ipeptit Ala-Gly; Gly-Ala v tripeptit GlyGly-Val. Amino axit u N, amino axit u C pentapeptit A ln lt l : A. Gly, Val. B. Ala, Gly. C. Ala, Val. D. Gly, Gly. 38. Hn hp X gm Na v Al. Cho m gam X vo lng d nc th thot ra V lt kh. Nu cng cho m gam X vo dung dch KOH d th thu c 2,5V lt kh. Thnh phn phn trm khi lng Na trong X l(cc kh o cng iu kin): A. 49,87%. B. 22,12%. C. 29,87%. D. 39,87%. 39. Hn hp kh X gm H2 v C2H4 c t khi so vi He l 3.75. Dn X qua Ni nung nng, thu c hn hp kh Y c t khi so vi He l 5. Hiu sut ca phn ng hiro ho l A. 75% B. 50% C. 60% D. 40% 40. C 45.75 gam cao su buna-S phn ng va ht vi 20 gam brom trong CCl4. T l mt xch buta-1,3-ien v stiren trong cao su buna-S l A. 2 : 3 B. 1 : 3 C. 3 : 5 D. 1 : 2 + 41. Cho cn bng sau: SO2 + H2O H + HSO3 . Khi thm vo dung dch mt t mui NaHSO4(khng lm thay i th tch) th cn bng trn s : A. chuyn dch theo chiu nghch B. chuyn dch theo chiu thun. C. khng xc nh. D. khng chuyn dch theo chiu no 42. Ho tan mt oxit kim loi M(c ho tr III) trong mt lng va dung dch H2SO4 25%, sau phn ng thu c dung dch mui c nng 29,5181%. Cng thc oxit l: A. Cr2O3. B. Al2O3. C. Ni2O3 D. Fe2O3. 43. Trong s cac kim loai: Rb (Z=57); Cr (Z=24); Cu (Z= 29); Fe (Z=26). S kim loai co s electron lp ngoai cung bng nhau la: A. 3 B. 1 C. 2 D. 4 44. Ha tan hn hp ba kim loi Mg, Fe, Cu bng dung dch HNO3 long. Sau khi phn ng xy ra hon ton, thu c cht khng tan l Cu co khi lng nho hn ban u. Phn dung dch sau phn ng c cha s cht tan la: A. 2 B. 4 C. 1 D. 3 45. Tm nhn xt ng: A. Trong bnh kn tn ti cn bng 2NO2(nu) N2O4. Nu ngm bnh trn vo nc thy mu nu trong bnh nht dn. iu chng t chiu nghch ca phn ng l chiu thu nhit. B. Trong bnh kn, phn ng 2SO2 + O2 2SO3 trng thi cn bng. Thm SO2 vo , trng thi cn bng mi, ch c SO3 l c nng cao hn so vi trng thi cn bng c. C. Khi thay i bt k 1 trong 3 yu t: p sut, nhit hay nng ca mt h cn bng ho hc th h s chuyn dch sang mt trng thi cn bng mi. D. Khi thm cht xc tc, hiu sut phn ng tng hp NH3: N2 + 3H2 NH3 s tng. 46. Khi x phng ho 1 mol este cn 120 gam NaOH nguyn cht. Mt khc khi x phng ho 1,27 gam este th cn 0,6 gam NaOH v thu c 1,41 gam mui duy nht. Bit ancol hoc axit l n chc. Cng thc cu to ca este l: A. (C2H3COO)3C3H5. B. (COOC2H5)2. C. CH2(COOCH3)2. D. (CH3COO)3C3H5. 47. Cho cc cht sau: CH3CHO, C2H5OH, C2H5COOCH3, C2H4(OH)2, CH3OH, C6H12O6 (glucoz), C2H5O-OCCH3. S cht c th iu ch trc tip (bng mt phn ng) to ra axit axetic l: A. 4 B. 2 C. 3 D. 5 48. A l hn hp cc mui Cu(NO3)2, Fe(NO3)2, Fe(NO3)3, Mg(NO3)2. Trong O chim 56,99% v khi lng. Cho dung dch KOH d vo dung dch cha 37,9 gam mui A. Lc kt ta thu c em nung trong chn khng n khi lng khng i thu c m gam oxit. Gi tr ca m l A. 13,6 B. 17,025 C. 17.6 D. 20.22 49. Cho cac phn ng no sau Ca(HCO3) + 2NaOH CaCO3 + Na2CO3 + 2H2O (1) 2NaHCO3 + Ca(OH)2 CaCO3 + Na2CO3 + 2H2O (2) NaHCO3 + NaOH Na2CO3 + H2O (3) 2NaHCO3 + 2KOH Na2CO3 + K2CO3 + 2H2O (4) S phan ng c phng trnh ion rt gn HCO3- + OH- CO32- + H2O la A. 3 B. 4 C. 2 D. 1 50. Cho cc ancol sau CH3CH2CH2OH (1) CH3CH(OH)CH3 (2) CH3CH2CH(OH)CH2CH3 (3) CH3CH(OH)C(CH3)3 (4)

S ancol khi tch nc ch cho mot anken cu tao duy nht l A. 2 B. 4 C. 3 .....Ht..... LUYN THI S 5

D. 1

Bit: Cac khi KTC (Tr bai co iu kin khng KTC), cac phan ng xay ra hoan toan (Tr bai co hiu sut phan ng ) Bit: H=1; C=12; N=14; O=16; Na=23; Mg=24; Al=27; S=32; Cl=35,5K=39; Ca=40; Cr=52; Fe=56; Cu=64; Zn=65; Br=80; Ba=137 01. Cho hn hp hai anken ng ng k tip nhau tc dng vi nc (c H2SO4 lm xc tc) thu c hn hp Z gm hai ancol X v Y. t chy hon ton 1,06 gam hn hp Z sau hp th ton b sn phm chy vo 2 lt dung dch NaOH 0,1M thu c dung dch T trong nng ca NaOH bng 0,05M. Cng thc cu to thu gn ca X v Y l A. C4H9OH; C3H7OH. B. C2H5OH; CH3OH. C. C2H5OH; C3H7OH. D. CH3OH; C3H7OH. 02. Cho cc ancol sau CH3CH2CH2OH (1) CH3CH(OH)CH3 (2) CH3CH2CH(OH)CH2CH3 (3) CH3CH(OH)C(CH3)3 (4) S ancol khi tch nc ch cho mt anken cu tao duy nht l A. 1 B. 3 C. 2 D. 4 03. S cht ng vi cng thc phn t C4H10O2 c th ho tan c Cu(OH)2 l: A. 3. B. 5. C. 2 D. 4. 04. Khi x phng ho 1 mol este cn 120 gam NaOH nguyn cht. Mt khc khi x phng ho 1,27 gam este th cn 0,6 gam NaOH v thu c 1,41 gam mui duy nht. Bit ancol hoc axit l n chc. Cng thc cu to ca este l: A. (COOC2H5)2. B. CH2(COOCH3)2. C. (CH3COO)3C3H5. D. (C2H3COO)3C3H5. 05. Mt hp cht X (c khi lng phn t bng 103). Cho 51,50 gam X phn ng ht vi 500 ml dung dch NaOH 1,20M, thu c dung dch Y trong c mui ca aminaxit, ancol (c khi lng phn t ln hn khi lng phn t O2), C cn Y thu m gam cht rn. Gi tr m l A. 26,25 B. 52,50 C. 24,25 D. 48,50 06. Hn hp X gm Na v Al. Cho m gam X vo lng d nc th thot ra V lt kh. Nu cng cho m gam X vo dung dch KOH d th thu c 2,5V lt kh. Thnh phn phn trm khi lng Na trong X l(cc kh o cng iu kin): A. 49,87%. B. 22,12%. C. 29,87%. D. 39,87%. 07. Thu phn hon ton 1 mol pentapeptit A th thu c 3 mol glyxin; 1 mol alanin v 1mol valin. Khi thu phn khng hon ton A th trong hn hp sn phm thy c cc ipeptit Ala-Gly; Gly-Ala v tripeptit GlyGly-Val. Amino axit u N, amino axit u C pentapeptit A ln lt l : A. Ala, Gly. B. Gly, Gly. C. Ala, Val. D. Gly, Val. 08. un nng dung dch c cha 36 gam hn hp cha glucoz v fructoz (t l mol 1:1) vi mt lng va dung dch AgNO3/NH3 thy Ag tch ra . Lng Ag thu c v khi lng AgNO3 cn dng ln lt l: A. 43,2 va 34 gam. B. 21,6 va 68.gam. C. 43,2 va 68 gam. D. 21,6 va 34 gam. 09. iu ch dung dch H2SO4 0,125 M bng cch pha long H2SO4 c 95%(d=1,84 g/ml), c th pha long vi nc: A. 15,00 ml axit thnh 2000 ml B. 7,00 ml axit thnh 1000 ml. C. 11,00 ml axit thnh 1000 ml D. 5,00 ml axit thnh 500 ml 10. C 3 kim loi X, Y, Z tha mn: - X tc dng vi HCl, khng tc dng vi NaOH v HNO3 c ngui. - Y tc dng c vi HCl v HNO3 c ngui, khng tc dng vi NaOH. - Z tc dng c vi HCl v NaOH, khng tc dng vi HNO3 c ngui. Vy X, Y, Z ln lt l A. Fe, Mg, Al. B. Zn, Mg, Al. C. Fe, Al, Mg. D. Fe, Mg, Zn. 11. : Dng nhng ha cht no sau y c th nhn bit c bn cht lng khng mu l glixerol, ancol etylic, dung dch glucoz v anilin ? A. Na v dung dch Br2 B. Dung dch AgNO3 / NH3 v Cu(OH)2 C. Dung dch Br2 v Cu(OH)2 D. Na v dung dch AgNO3 / NH3 12. Dung dch Na2S tc dng vi tt c cc cht trong dy no sau y? A. HCl, H2S, KCl, Cu(NO3)2, ZnCl2. B. H2SO4, H2S, FeCl3, Cu(NO3)2, AgCl. C. HCl, K2S, FeCl3, Cu(NO3)2, ZnCl2. D. HCl, H2S, FeCl3, Cu(NO3)2, ZnCl2. 13. Cc hp cht ca dy no va th hin tnh oxi ha, va th hin tnh kh?

A. H2S, KMnO4, HI. B. H2O2, SO2, FeSO4. C. H2SO4, SO3, HCl. D. Cl2O7, SO2, CO2. 14. : Dy gm cc hirocacbon khi tc dng vi clo theo t l mol: 1:1(chiu sng) u thu c 4 dn xut monoclo l A. 2,3- imetyl butan v metyl xiclopentan B. metyl xiclopentan v iso pentan C. iso pentan v 2,2- imetyl butan D. 2,2- imetyl pentan v 2,3- imetyl butan 15. Trong t nhin Ag c hai ng v bn l 107Ag v 109Ag. Nguyn t khi trung bnh ca Ag l 107,87. Hm lng 107Ag c trong AgNO3 l(bit N =14; O =16): A. 33,56%. B. 43,12%. C. 38,85%. D. 35,59%. 16. Saccaroz c tnh cht no trong s cc tnh cht sau: 1/ polisaccarit. 2/ khi tinh th khng mu. 3/ khi thu phn to thnh glucoz v frutoz. 4/ tham gia phn ng trng gng. 5/ phn ng vi Cu(OH)2. S tnh cht ng cua saccaroz la: A. 3. B. 4 C. 2 D. 5 17. Hn hp X gm etan, propen, buta-1,3 dien co ti khi hi so vi hidro la 22,2. Khi t chay hoan toan 2,24 lit hn hp X (ktc), ri cho toan b san phm chay hp thu vao dung dich Ca(OH)2 d thu c m gam kt tua. Gia tri cua m la: A. 30 gam B. 32 gam C. 35 gam D. 28 gam 18. T cc cht ban u l KMnO4, CuS, Zn, dd HCl c th iu ch trc tip (Bng 1 phan ng) c bao nhiu cht kh iu kin thng? A. 2 B. 4 C. 5 D. 3 19. Chia 10 gam hn hp gm (Mg, Al, Zn) thnh hai phn bng nhau. Phn 1 c t chy hon ton trong O2 d thu c 21 gam hn hp oxit. Phn hai ha tan trong HNO3 c, nng d thu c V (lit) NO2 (sn phm kh duy nht) ktc. Gi tr ca V l: A. 22,4 lit. B. 44,8 lit C. 89,6 lit. D. 30,8 lit 20. A l hp cht hu c mch vng cha C, H, N trong N chim 15,054% theo khi lng. A tc dng vi HCl to ra mui c dng RNH3Cl. Cho 9,3g A tc dng ht vi nc brom d thu c a g kt ta. Gi tr ca a l A. 33 gam B. 44 gam C. 36 gam D. 30 gam 21. Cho 0.1 mol cht X ( CH6O3N2) tc dng vi dung dch cha 0,2 mol NaOH un nng thu c cht kh lm xanh giy qu tm m v dung dch Y. C cn dung dch Y thu c m gam rn khan. Gi tr ca m l A. 21.8 B. 12.5 C. 15 D. 8.5 22. Cho 17,80 gam bt Fe vo 400 ml dung dch hn hp gm Cu(NO3)2 0,40M v H2SO4 0,50M. Sau khi cc phn ng xy ra hon ton, thu c m gam hn hp kim loi v V lt kh NO (sn phm kh duy nht, ktc). Gi tr m v V l A. 11,20 v 2,24 B. 11,20 v 3,36 C. 10,68 v 3,36 D. 10,68 v 2,24 23. Ho tan ht m gam Al2(SO4)3 vo nc c dung dch A. Cho 300 ml dung dch NaOH 1M vo A, thu c a gam kt ta. Mc khc, nu cho 200 ml dung dch KOH 2M vo A, cng thu c a gam kt ta. Gi tr ca m l A. 21.375 B. 32.75 C. 17.175 D. 22.75 24. Kh 3,48 gram mt oxit kim loi cn dng 1,344 lt H2(ktc). Ton b lng kim loi M thu c cho tc dng vi dung dch HCl d cho 1,008 lt H2 (ktc),. Kim loi M v oxit ca n tng ng l: A. Fe va Fe3O4 . B. Cr va CrO. C. Cr va Cr2O3 D. Fe va Fe2O3 25. Ho tan mt oxit kim loi M(c ho tr III) trong mt lng va dung dch H2SO4 25%, sau phn ng thu c dung dch mui c nng 29,5181%. Cng thc oxit l: A. Cr2O3. B. Fe2O3. C. Al2O3. D. Ni2O3 26. 1,72 gam hn hp anehit acrylic v anehit axetic tham gia phn ng cng va 1,12 lt H2(ktc). Cho thm 0,696 gam anehit B l ng ng ca anehit fomic vo 1,72 gam hn hp 2 anehit trn ri cho hn hp thu c tham gia phn ng trng bc hon ton c 10,152 gam Ag. S cng thc cu to ca B l: A. 3 B. 1 C. 2 D. 4 27. Cho khi lng ring ca cn nguyn cht l (d=0,8 gam/mL). Hi t 10 tn v bo cha 80% xenluloz c th iu ch c bao nhiu tn cn thc phm 45o. Bit hiu sut ton b qu trnh iu ch l 64,8%. A. 7,44 tn. B. 2,94 tn. C. 11,48 tn. D. 9,30 tn. 28. Trn dung dch cha Ba2+; OH- 0,06 mol v Na+ 0,02 mol vi dung dch cha HCO-3 0,04 mol; CO2-3 0,03 mol v Na+. Khi lng kt ta thu c sau phn ng l:

A. 1,97 gam B. 7,88 gam C. 3,94 gam D. 5,91 gam 29. Cho dung dch NH3 d vo dung dch X cha hn hp MgCl2 , ZnCl2 v FeCl3, FeCl2 thu c kt ta Y. Nung kt ta Y trong khng khi ta c cht rn A , cho lung kh CO d i qua A nung nng n phn ng hon ton thu c cht rn B. Trong B c cha: A. Fe2O3, MgO, ZnO B. Fe, Mg, Zn. C. Fe, MgO D. Fe, MgO, ZnO 30. Cho cc cht sau: axit glutamic; valin, lixin, alanin, trimetylamin, anilin. S cht lm qu tm chuyn mu hng, mu xanh, khng i mu ln lt l: A. 1, 1, 4. B. 3, 1, 2. C. 1, 2, 3. D. 2, 1,3. 31. A l hn hp cc mui Cu(NO3)2, Fe(NO3)2, Fe(NO3)3, Mg(NO3)2. Trong O chim 56,99% v khi lng. Cho dung dch KOH d vo dung dch cha 37,9 gam mui A. Lc kt ta thu c em nung trong chn khng n khi lng khng i thu c m gam oxit. Gi tr ca m l A. 13,6 B. 17.6 C. 17,025 D. 20.22 32. Trong s cc dung dch: NaOH, NaHCO3, NaHSO4, BaCl2 th s cp dung dch c th phn ng vi nhau l: A. 4 B. 3 C. 6 D. 5 33. Cho cc cht: etyl axetat, anilin, ancol etylic, axit acrylic, phenol, phenylamoni clorua, ancol benzylic, pcrezol. Trong cc cht ny, s cht tc dng c vi dung dch NaOH l: A. 6 B. 5 C. 4 D. 3 34. Cho cc cht sau: CH3CHO, C2H5OH, C2H5COOCH3, C2H4(OH)2, CH3OH, C6H12O6 (glucoz), C2H5O-OCCH3. S cht c th iu ch trc tip (bng mt phn ng) to ra axit axetic l: A. 2 B. 4 C. 5 D. 3 35. Khi cho dung dich axit HCl ln lt tac dung vi Fe, CaO, Cu(OH)2, KMnO4, Na2CO3. Kt lun nao sau y y u v tinh cht cua axit HCl: A. Axit manh B. Axit manh, co tinh oxihoa. C. Axit manh, va co tinh kh, va co tinh oxihoa. D. Axit manh, co tinh kh. 36. Tm nhn xt ng: A. Khi thm cht xc tc, hiu sut phn ng tng hp NH3: N2 + 3H2 NH3 s tng. B. Trong bnh kn, phn ng 2SO2 + O2 2SO3 trng thi cn bng. Thm SO2 vo , trng thi cn bng mi, ch c SO3 l c nng cao hn so vi trng thi cn bng c. C. Trong bnh kn tn ti cn bng 2NO2(nu) N2O4. Nu ngm bnh trn vo nc thy mu nu trong bnh nht dn. iu chng t chiu nghch ca phn ng l chiu thu nhit. D. Khi thay i bt k 1 trong 3 yu t: p sut, nhit hay nng ca mt h cn bng ho hc th h s chuyn dch sang mt trng thi cn bng mi. 37. Cho cn bng sau: SO2 + H2O H+ + HSO3-. Khi thm vo dung dch mt t mui NaHSO4(khng lm thay i th tch) th cn bng trn s : A. chuyn dch theo chiu nghch B. chuyn dch theo chiu thun. C. khng xc nh. D. khng chuyn dch theo chiu no 38. Trn 3 dung dch Ba(OH)2 0,1M, NaOH 0,2M, KOH 0,3 M vi nhng th tch bng nhau thu c dung dch A. Ly 300ml dung dch A cho phn ng vi V lt dung dch B gm HCI 0,2M v HNO3 0,29M. Thu c dung dch C c pH =12.Gi tr ca V l A. 0,134 lt B. 0,414 lt . C. 0,214 lt D. 0,424 lt 39. C 45.75 gam cao su buna-S phn ng va ht vi 20 gam brom trong CCl4. T l mt xch buta-1,3-ien v stiren trong cao su buna-S l A. 2 : 3 B. 1 : 2 C. 3 : 5 D. 1 : 3 40. Cho hn hp gm 0,01 mol Al v 0,02 mol Mg tc dng vi 100ml dung dch cha AgNO3 v Cu(NO3)2, sau khi phn ng xy ra hon ton thu c m gam cht rn X gm 3 kim loi, X tc dng hon ton vi HNO3 c, d thu c V lt NO2( ktc v duy nht ). Gi tr ca V l A. 1,568 B. 1,680. C. 2,24. D. 1,232. 41. t chy hon ton mt lng hn hp 2 este, cho sn phm qua bnh ng P2O5 d, khi lng bnh tng thm 6,21 gam, sau cho qua tip dung dch Ca(OH)2 d thu c 34,5 gam kt ta. Mt khc cho 6,828 gam hn hp este tc dng va vi dung dch KOH thu c 7,7 gam hn hp 2 mui v 4,025 gam mt ancol. Bit khi lng phn t 2 mui hn km nhau 28 vC . Cng thc cu to: A. CH3COOC2H5; C2H5COOC2H5. B. HCOOCH3; C2H5COOC2H5. C. HCOOC2H5; CH3COOC2H5 D. CH3COOCH3; C2H5COOCH3. 42. Hn hp kh X gm H2 v C2H4 c t khi so vi He l 3.75. Dn X qua Ni nung nng, thu c hn hp kh Y c t khi so vi He l 5. Hiu sut ca phn ng hiro ho l A. 60% B. 40% C. 50% D. 75%

43. Trong s cac kim loai: Rb (Z=57); Cr (Z=24); Cu (Z= 29); Fe (Z=26). S kim loai co s electron lp ngoai cung bng nhau la: A. 3 B. 1 C. 2 D. 4 44. Trong cng nghip HCl c th iu ch bng phng php sunfat theo phng trnh phn ng: t0 2HCl + Na2SO4 2NaCl (tinh th) + H2SO4 (c) Ti sao phng php ny khng c dng iu ch HBr v HI ? A. Do NaBr v NaI t tin, kh kim B. Do tnh axit ca H2SO4 yu hn HBr v HI. - C. Do Br , I c phn ng vi H2SO4 c, nng. D. Do HBr v HI sinh ra l cht c 45. Ha tan hn hp ba kim loi Mg, Fe, Cu bng dung dch HNO3 long. Sau khi phn ng xy ra hon ton, thu c cht khng tan l Cu co khi lng nho hn ban u. Phn dung dch sau phn ng c cha s cht tan la: A. 4 B. 1 C. 3 D. 2 46. Cho cc cht sau: Phenol, Axit acrylic, Glixerol, ancol etylic, Cu(OH)2, v dung dch brom. S cp cht phn ng c vi nhau l A. 6. B. 4 C. 5 D. 7 47. Cho cac phn ng no sau Ca(HCO3) + 2NaOH CaCO3 + Na2CO3 + 2H2O (1) NaHCO3 + Ca(OH)2 CaCO3 + Na2CO3 + 2H2O (2) NaHCO3 + NaOH Na2CO3 + H2O (3) 2NaHCO3 + 2KOH Na2CO3 + K2CO3 + 2H2O (4) S phan ng c phng trnh ion rt gn HCO3- + OH- CO32- + H2O la A. 1 B. 3 C. 2 D. 4 48. S ng phn cu tao este mch thng c cng thc phn t C6H10O4 khi cho tc dng vi NaOH to ra 1 ancol va 1 mui la: A. 5. B. 2. C. 3. D. 4. 49. Cho Ba kim loi ln lt vo cc dung dch sau: NaHCO3, CuSO4, (NH4)2CO3, NaNO3, MgCl2. S dung dch to kt ta l A. 4 B. 5 C. 2 D. 3 50. Trong cc nhn xt sau, (1) Phn hn hp l phn NPK. (2) Amophot l mt loi phn phc hp. (3) Trong supephotphat kp, dinh dng ca phn ln l 60,68%. (4) dinh dng ca phn kali KCl l 63,08%. (5) Thnh phn chnh ca phn ln nung chy l hn hp photphat v silicat ca magie, canxi. (6) m amoni khng lm chua t. S nhn xt ng l: A. 5 B. 6 C. 4 D. 3 ..... Ht .....

LUYN THI S 6Bit: Cac khi KTC (Tr bai co iu kin khng KTC), cac phan ng xay ra hoan toan (Tr bai co hiu sut phan ng ) Bit: H=1; C=12; N=14; O=16; Na=23; Mg=24; Al=27; S=32; Cl=35,5K=39; Ca=40; Cr=52; Fe=56; Cu=64; Zn=65; Br=80; Ba=137 01. Cho hn hp hai anken ng ng k tip nhau tc dng vi nc (c H2SO4 lm xc tc) thu c hn hp Z gm hai ancol X v Y. t chy hon ton 1,06 gam hn hp Z sau hp th ton b sn phm chy vo 2 lt dung dch NaOH 0,1M thu c dung dch T trong nng ca NaOH bng 0,05M. Cng thc cu to thu gn ca X v Y l A. C2H5OH; CH3OH. B. C4H9OH; C3H7OH. C. C2H5OH; C3H7OH. D. CH3OH; C3H7OH. 02. Cho dung dch NH3 d vo dung dch X cha hn hp MgCl2 , ZnCl2 v FeCl3, FeCl2 thu c kt ta Y. Nung kt ta Y trong khng khi ta c cht rn A , cho lung kh CO d i qua A nung nng n phn ng hon ton thu c cht rn B. Trong B c cha: A. Fe, MgO, ZnO B. Fe2O3, MgO, ZnO C. Fe, MgO D. Fe, Mg, Zn. 03. Khi x phng ho 1 mol este cn 120 gam NaOH nguyn cht. Mt khc khi x phng ho 1,27 gam este th cn 0,6 gam NaOH v thu c 1,41 gam mui duy nht. Bit ancol hoc axit l n chc. Cng thc cu to ca este l: A. CH2(COOCH3)2. B. (C2H3COO)3C3H5. C. (CH3COO)3C3H5. D. (COOC2H5)2. 04. S cht ng vi cng thc phn t C4H10O2 c th ho tan c Cu(OH)2 l: A. 3. B. 4. C. 2 D. 5.

05. Cho 17,80 gam bt Fe vo 400 ml dung dch hn hp gm Cu(NO3)2 0,40M v H2SO4 0,50M. Sau khi cc phn ng xy ra hon ton, thu c m gam hn hp kim loi v V lt kh NO (sn phm kh duy nht, ktc). Gi tr m v V l A. 11,20 v 2,24 B. 10,68 v 3,36 C. 10,68 v 2,24 D. 11,20 v 3,36 06. Kh 3,48 gram mt oxit kim loi cn dng 1,344 lt H2(ktc). Ton b lng kim loi M thu c cho tc dng vi dung dch HCl d cho 1,008 lt H2 (ktc),. Kim loi M v oxit ca n tng ng l: A. Fe va Fe3O4 B. Fe va Fe2O3 C. Cr va CrO. D. Cr va Cr2O3. 07. Cho 0.1 mol cht X ( CH6O3N2) tc dng vi dung dch cha 0,2 mol NaOH un nng thu c cht kh lm xanh giy qu tm m v dung dch Y. C cn dung dch Y thu c m gam rn khan. Gi tr ca m l A. 21.8 B. 12.5 C. 15 D. 8.5 08. Cho khi lng ring ca cn nguyn cht l (d=0,8 gam/mL). Hi t 10 tn v bo cha 80% xenluloz c th iu ch c bao nhiu tn cn thc phm 45o. Bit hiu sut ton b qu trnh iu ch l 64,8%. A. 2,94 tn. B. 11,48 tn. C. 7,44 tn. D. 9,30 tn. 09. A l hp cht hu c mch vng cha C, H, N trong N chim 15,054% theo khi lng. A tc dng vi HCl to ra mui c dng RNH3Cl. Cho 9,3g A tc dng ht vi nc brom d thu c a g kt ta. Gi tr ca a l: A. 44 gam B. 33 gam C. 36 gam D. 30 gam 10. Trong cc nhn xt sau, (1) Phn hn hp l phn NPK. (2) Amophot l mt loi phn phc hp. (3) Trong supephotphat kp, dinh dng ca phn ln l 60,68%. (4) dinh dng ca phn kali KCl l 63,08%. (5) Thnh phn chnh ca phn ln nung chy l hn hp photphat v silicat ca magie, canxi. (6) m amoni khng lm chua t. S nhn xt ng l: A. 3 B. 5 C. 6 D. 4 11. Ha tan hn hp ba kim loi Mg, Fe, Cu bng dung dch HNO3 long. Sau khi phn ng xy ra hon ton, thu c cht khng tan l Cu co khi lng nho hn ban u. Phn dung dch sau phn ng c cha s cht tan la: A. 3 B. 1 C. 4 D. 2 12. Trong s cac kim loai: Rb (Z=57); Cr (Z=24); Cu (Z= 29); Fe (Z=26). S kim loai co s electron lp ngoai cung bng nhau la: A. 3 B. 2 C. 4 D. 1 13. Khi cho dung dich axit HCl ln lt tac dung vi Fe, CaO, Cu(OH)2, KMnO4, Na2CO3. Kt lun nao sau y y u v tinh cht cua axit HCl: A. Axit manh, co tinh oxihoa. B. Axit manh, va co tinh kh, va co tinh oxihoa. C. Axit manh, co tinh kh. D. Axit manh 14. Tm nhn xt ng: A. Khi thay i bt k 1 trong 3 yu t: p sut, nhit hay nng ca mt h cn bng ho hc th h s chuyn dch sang mt trng thi cn bng mi. B. Trong bnh kn, phn ng 2SO2 + O2 2SO3 trng thi cn bng. Thm SO2 vo , trng thi cn bng mi, ch c SO3 l c nng cao hn so vi trng thi cn bng c. C. Khi thm cht xc tc, hiu sut phn ng tng hp NH3: N2 + 3H2 NH3 s tng. D. Trong bnh kn tn ti cn bng 2NO2(nu) N2O4. Nu ngm bnh trn vo nc thy mu nu trong bnh nht dn. iu chng t chiu nghch ca phn ng l chiu thu nhit. 15. Cho cc ancol sau CH3CH2CH2OH (1) CH3CH(OH)CH3 (2) CH3CH2CH(OH)CH2CH3 (3) CH3CH(OH)C(CH3)3 (4) S ancol khi tch nc ch cho mot anken cu tao duy nht l A. 2 B. 4 C. 3 D. 1 16. t chy hon ton mt lng hn hp 2 este, cho sn phm qua bnh ng P2O5 d, khi lng bnh tng thm 6,21 gam, sau cho qua tip dung dch Ca(OH)2 d thu c 34,5 gam kt ta. Mt khc cho 6,828 gam hn hp este tc dng va vi dung dch KOH thu c 7,7 gam hn hp 2 mui v 4,025 gam mt ancol. Bit khi lng phn t 2 mui hn km nhau 28 vC . Cng thc cu to: A. CH3COOC2H5; C2H5COOC2H5. B. HCOOC2H5; C2H5COOC2H5 C. HCOOCH3; CH3COOCH3. D. CH3COOCH3; C2H5COOCH3.

17. un nng dung dch c cha 36 gam hn hp cha glucoz v fructoz (t l mol 1:1) vi mt lng va dung dch AgNO3/NH3 thy Ag tch ra . Lng Ag thu c v khi lng AgNO3 cn dng ln lt l: A. 21,6 va 34 gam. B. 43,2 va 68 gam. C. 21,6 va 68.gam. D. 43,2 va 34 gam. 18. Hn hp X gm etan, propen, buta-1,3 dien co ti khi hi so vi hidro la 22,2. Khi t chay hoan toan 2,24 lit hn hp X (ktc), ri cho toan b san phm chay hp thu vao dung dich Ca(OH)2 d thu c m gam kt tua. Gia tri cua m la: A. 30 gam B. 32 gam C. 35 gam D. 28 gam 19. A l hn hp cc mui Cu(NO3)2, Fe(NO3)2, Fe(NO3)3, Mg(NO3)2. Trong O chim 56,99% v khi lng. Cho dung dch KOH d vo dung dch cha 37,9 gam mui A. Lc kt ta thu c em nung trong chn khng n khi lng khng i thu c m gam oxit. Gi tr ca m l A. 20.22 B. 17,025 C. 13,6 D. 17.6 20. Cc hp cht ca dy no va th hin tnh oxi ha, va th hin tnh kh? A. Cl2O7, SO2, CO2. B. H2SO4, SO3, HCl. C. H2S, KMnO4, HI. D. H2O2, SO2, FeSO4. 21. Cho cc cht: etyl axetat, anilin, ancol etylic, axit acrylic, phenol, phenylamoni clorua, ancol benzylic, pcrezol. Trong cc cht ny, s cht tc dng c vi dung dch NaOH l A. 3 B. 5 C. 6 D. 4 22. C 45.75 gam cao su buna-S phn ng va ht vi 20 gam brom trong CCl4. T l mt xch buta-1,3-ien v stiren trong cao su buna-S l A. 2 : 3 B. 1 : 3 C. 1 : 2 D. 3 : 5 + 23. Cho cn bng sau: SO2 + H2O H + HSO3 . Khi thm vo dung dch mt t mui NaHSO4(khng lm thay i th tch) th cn bng trn s : A. chuyn dch theo chiu nghch B. khng xc nh. C. chuyn dch theo chiu thun. D. khng chuyn dch theo chiu no 24. iu ch dung dch H2SO4 0,125 M bng cch pha long H2SO4 c 95%(d=1,84 g/ml), c th pha long vi nc: A. 5,00 ml axit thnh 500 ml B. 7,00 ml axit thnh 1000 ml. C. 15,00 ml axit thnh 2000 ml D. 11,00 ml axit thnh 1000 ml 25. Trn 3 dung dch Ba(OH)2 0,1M, NaOH 0,2M, KOH 0,3 M vi nhng th tch bng nhau thu c dung dch A. Ly 300ml dung dch A cho phn ng vi V lt dung dch B gm HCI 0,2M v HNO3 0,29M. Thu c dung dch C c pH =12.Gi tr ca V l A. 0,414 lt . B. 0,424 lt C. 0,134 lt D. 0,214 lt 26. Cho cc cht sau: CH3CHO, C2H5OH, C2H5COOCH3, C2H4(OH)2, CH3OH, C6H12O6 (glucoz), C2H5O-OCCH3. S cht c th iu ch trc tip (bng mt phn ng) to ra axit axetic l: A. 4 B. 5 C. 2 D. 3 27. Dung dch Na2S tc dng vi tt c cc cht trong dy no sau y? A. HCl, H2S, KCl, Cu(NO3)2, ZnCl2. B. HCl, K2S, FeCl3, Cu(NO3)2, ZnCl2. C. H2SO4, H2S, FeCl3, Cu(NO3)2, AgCl. D. HCl, H2S, FeCl3, Cu(NO3)2, ZnCl2. 28. Ho tan mt oxit kim loi M(c ho tr III) trong mt lng va dung dch H2SO4 25%, sau phn ng thu c dung dch mui c nng 29,5181%. Cng thc oxit l: A. Fe2O3. B. Ni2O3 C. Al2O3. D. Cr2O3. 29. Chia 10 gam hn hp gm (Mg, Al, Zn) thnh hai phn bng nhau. Phn 1 c t chy hon ton trong O2 d thu c 21 gam hn hp oxit. Phn hai ha tan trong HNO3 c, nng d thu c V (lit) NO2 (sn phm kh duy nht) ktc. Gi tr ca V l: A. 22,4 lit. B. 30,8 lit C. 89,6 lit. D. 44,8 lit 30. Mt hp cht X (c khi lng phn t bng 103). Cho 51,50 gam X phn ng ht vi 500 ml dung dch NaOH 1,20M, thu c dung dch Y trong c mui ca aminaxit, ancol (c khi lng phn t ln hn khi lng phn t O2), C cn Y thu m gam cht rn. Gi tr m l A. 48,50 B. 52,50 C. 26,25 D. 24,25 31. : Dng nhng ha cht no sau y c th nhn bit c bn cht lng khng mu l glixerol, ancol etylic, dung dch glucoz v anilin ? A. Na v dung dch Br2 B. Na v dung dch AgNO3 / NH3 C. Dung dch AgNO3 / NH3 v Cu(OH)2 D. Dung dch Br2 v Cu(OH)2 32. Ho tan ht m gam Al2(SO4)3 vo nc c dung dch A. Cho 300 ml dung dch NaOH 1M vo A, thu c a gam kt ta. Mc khc, nu cho 200 ml dung dch KOH 2M vo A, cng thu c a gam kt ta. Gi tr ca m l A. 17.175 B. 32.75 C. 22.75 D. 21.375

33. : Dy gm cc hirocacbon khi tc dng vi clo theo t l mol: 1:1(chiu sng) u thu c 4 dn xut monoclo l A. 2,3- imetyl butan v metyl xiclopentan B. iso pentan v 2,2- imetyl butan C. metyl xiclopentan v iso pentan D. 2,2- imetyl pentan v 2,3- imetyl butan 34. T cc cht ban u l KMnO4, CuS, Zn, dd HCl c th iu ch trc tip (Bng 1 phan ng) c bao nhiu cht kh iu kin thng? A. 3 B. 2 C. 5 D. 4 35. Trong s cc dung dch: NaOH, NaHCO3, NaHSO4, BaCl2 th s cp dung dch c th phn ng vi nhau l: A. 4 B. 5 C. 3 D. 6 36. Saccaroz c tnh cht no trong s cc tnh cht sau: 1/ polisaccarit. 2/ khi tinh th khng mu. 3/ khi thu phn to thnh glucoz v frutoz. 4/ tham gia phn ng trng gng. 5/ phn ng vi Cu(OH)2. S tnh cht ng cua saccaroz la: A. 2 B. 4 C. 5 D. 3. 107 109 37. Trong t nhin Ag c hai ng v bn l Ag v Ag. Nguyn t khi trung bnh ca Ag l 107,87. Hm lng 107Ag c trong AgNO3 l (bit N =14; O =16): A. 38,85%. B. 35,59%. C. 43,12%. D. 33,56%. 38. Hn hp X gm Na v Al. Cho m gam X vo lng d nc th thot ra V lt kh. Nu cng cho m gam X vo dung dch KOH d th thu c 2,5V lt kh. Thnh phn phn trm khi lng Na trong X l (cc kh o cng iu kin): A. 29,87%. B. 39,87%. C. 49,87%. D. 22,12%. 39. C 3 kim loi X, Y, Z tha mn: - X tc dng vi HCl, khng tc dng vi NaOH v HNO3 c ngui. - Y tc dng c vi HCl v HNO3 c ngui, khng tc dng vi NaOH. - Z tc dng c vi HCl v NaOH, khng tc dng vi HNO3 c ngui. Vy X, Y, Z ln lt l A. Fe, Mg, Al. B. Fe, Al, Mg. C. Zn, Mg, Al. D. Fe, Mg, Zn. 40. Cho cac phn ng no sau Ca(HCO3) + 2NaOH CaCO3 + Na2CO3 + 2H2O (1) 2NaHCO3 + Ca(OH)2 CaCO3 + Na2CO3 + 2H2O (2) NaHCO3 + NaOH Na2CO3 + H2O (3) 2NaHCO3 + 2KOH Na2CO3 + K2CO3 + 2H2O (4) S phan ng c phng trnh ion rt gn HCO3- + OH- CO32- + H2O la A. 3 B. 1 C. 2 D. 4 41. Trong cng nghip HCl c th iu ch bng phng php sulfat theo phng trnh phn ng: t0 2HCl + Na2SO4 2NaCl (tinh th) + H2SO4 (c) Ti sao phng php ny khng c dng iu ch HBr v HI ? A. Do NaBr v NaI t tin, kh kim B. Do tnh axit ca H2SO4 yu hn HBr v HI. - C. Do Br , I c phn ng vi H2SO4 c, nng. D. Do HBr v HI sinh ra l cht c 42. 1,72 gam hn hp anehit acrylic v anehit axetic tham gia phn ng cng va 1,12 lt H2(ktc). Cho thm 0,696 gam anehit B l ng ng ca anehit fomic vo 1,72 gam hn hp 2 anehit trn ri cho hn hp thu c tham gia phn ng trng bc hon ton c 10,152 gam Ag. S cng thc cu to ca B l: A. 3 B. 2 C. 4 D. 1 43. Cho cc cht sau: Phenol, Axit acrylic, Glixerol, ancol etylic, Cu(OH)2, v dung dch brom. S cp cht phn ng c vi nhau l A. 7 B. 6. C. 4 D. 5 44. Thu phn hon ton 1 mol pentapeptit A th thu c 3 mol glyxin; 1 mol alanin v 1mol valin. Khi thu phn khng hon ton A th trong hn hp sn phm thy c cc ipeptit Ala-Gly; Gly-Ala v tripeptit GlyGly-Val. Amino axit u N, amino axit u C pentapeptit A ln lt l : A. Gly, Val. B. Ala, Val. C. Ala, Gly. D. Gly, Gly. 45. Hn hp kh X gm H2 v C2H4 c t khi so vi He l 3.75. Dn X qua Ni nung nng, thu c hn hp kh Y c t khi so vi He l 5. Hiu sut ca phn ng hiro ho l A. 50% B. 40% C. 60% D. 75% 46. S ng phn cu tao este mch thng c cng thc phn t C6H10O4 khi cho tc dng vi NaOH to ra 1 ancol va 1 mui la: A. 2. B. 4. C. 3. D. 5.

47. Cho cc cht sau: axit glutamic; valin, lixin, alanin, trimetylamin, anilin. S cht lm qu tm chuyn mu hng, mu xanh, khng i mu ln lt l: A. 1, 2, 3. B. 2, 1,3. C. 3, 1, 2. D. 1, 1, 4. 48. Trn dung dch cha Ba2+; OH- 0,06 mol v Na+ 0,02 mol vi dung dch cha HCO-3 0,04 mol; CO2-3 0,03 mol v Na+. Khi lng kt ta thu c sau phn ng l: A. 1,97 gam B. 5,91 gam C. 3,94 gam D. 7,88 gam 49. Cho hn hp gm 0,01 mol Al v 0,02 mol Mg tc dng vi 100ml dung dch cha AgNO3 v Cu(NO3)2, sau khi phn ng xy ra hon ton thu c m gam cht rn X gm 3 kim loi, X tc dng hon ton vi HNO3 c, d thu c V lt NO2( ktc v duy nht ). Gi tr ca V l A. 1,680. B. 1,232. C. 1,568 D. 2,24. 50. Cho Ba kim loi ln lt vo cc dung dch sau: NaHCO3, CuSO4, (NH4)2CO3, NaNO3, MgCl2. S dung dch to kt ta l A. 4 B. 2 C. 5 D. 3 ..... Ht .....

LUYN THI S 7Bit: Cac khi KTC (Tr bai co iu kin khng KTC), cac phan ng xay ra hoan toan (Tr bai co hiu sut phan ng ) Bit: H=1; C=12; N=14; O=16; Na=23; Mg=24; Al=27; S=32; Cl=35,5K=39; Ca=40; Cr=52; Fe=56; Cu=64; Zn=65; Br=80; Ba=137 01. Trong t nhin Ag c hai ng v bn l 107Ag v 109Ag. Nguyn t khi trung bnh ca Ag l 107,87. Hm lng 107Ag c trong AgNO3 l(bit N =14; O =16): A. 33,56%. B. 43,12%. C. 38,85%. D. 35,59%. + 02. Cho cn bng sau: SO2 + H2O H + HSO3 . Khi thm vo dung dch mt t mui NaHSO4(khng lm thay i th tch) th cn bng trn s : A. khng xc nh. B. khng chuyn dch theo chiu no C. chuyn dch theo chiu thun. D. chuyn dch theo chiu nghch 03. iu ch dung dch H2SO4 0,125 M bng cch pha long H2SO4 c 95%(d=1,84 g/ml), c th pha long vi nc: A. 15,00 ml axit thnh 2000 ml B. 7,00 ml axit thnh 1000 ml. C. 11,00 ml axit thnh 1000 ml D. 5,00 ml axit thnh 500 ml 04. Cho cac phn ng no sau Ca(HCO3) + 2NaOH CaCO3 + Na2CO3 + 2H2O (1) 2NaHCO3 + Ca(OH)2 CaCO3 + Na2CO3 + 2H2O (2) NaHCO3 + NaOH Na2CO3 + H2O (3) 2NaHCO3 + 2KOH Na2CO3 + K2CO3 + 2H2O (4) S phan ng c phng trnh ion rt gn HCO3- + OH- CO32- + H2O la A. 4 B. 2 C. 1 D. 3 05. t chy hon ton mt lng hn hp 2 este, cho sn phm qua bnh ng P2O5 d, khi lng bnh tng thm 6,21 gam, sau cho qua tip dung dch Ca(OH)2 d thu c 34,5 gam kt ta. Mt khc cho 6,828 gam hn hp este tc dng va vi dung dch KOH thu c 7,7 gam hn hp 2 mui v 4,025 gam mt ancol. Bit khi lng phn t 2 mui hn km nhau 28 vC . Cng thc cu to: A. HCOOC2H5; C2H5COOC2H5 B. CH3COOCH3; C2H5COOCH3. C. CH3COOC2H5; C2H5COOC2H5. D. HCOOCH3; CH3COOCH3. 06. Cho cc ancol sau CH3CH2CH2OH (1) CH3CH(OH)CH3 (2) CH3CH2CH(OH)CH2CH3 (3) CH3CH(OH)C(CH3)3 (4) S ancol khi tch nc ch cho mot anken cu tao duy nht l A. 2 B. 3 C. 4 D. 1 07. Ho tan mt oxit kim loi M(c ho tr III) trong mt lng va dung dch H2SO4 25%, sau phn ng thu c dung dch mui c nng 29,5181%. Cng thc oxit l: A. Cr2O3. B. Al2O3. C. Fe2O3. D. Ni2O3 08. C 3 kim loi X, Y, Z tha mn: - X tc dng vi HCl, khng tc dng vi NaOH v HNO3 c ngui. - Y tc dng c vi HCl v HNO3 c ngui, khng tc dng vi NaOH. - Z tc dng c vi HCl v NaOH, khng tc dng vi HNO3 c ngui. Vy X, Y, Z ln lt l A. Fe, Mg, Al. B. Zn, Mg, Al. C. Fe, Al, Mg. D. Fe, Mg, Zn. 09. Tm nhn xt ng:

A. Khi thay i bt k 1 trong 3 yu t: p sut, nhit hay nng ca mt h cn bng ho hc th h s chuyn dch sang mt trng thi cn bng mi. B. Trong bnh kn tn ti cn bng 2NO2(nu) N2O4. Nu ngm bnh trn vo nc thy mu nu trong bnh nht dn. iu chng t chiu nghch ca phn ng l chiu thu nhit C. Trong bnh kn, phn ng 2SO2 + O2 2SO3 trng thi cn bng. Thm SO2 vo , trng thi cn bng mi, ch c SO3 l c nng cao hn so vi trng thi cn bng c. D. Khi thm cht xc tc, hiu sut phn ng tng hp NH3: N2 + 3H2 NH3 s tng. 10. Ho tan ht m gam Al2(SO4)3 vo nc c dung dch A. Cho 300 ml dung dch NaOH 1M vo A, thu c a gam kt ta. Mc khc, nu cho 200 ml dung dch KOH 2M vo A, cng thu c a gam kt ta. Gi tr ca m l A. 22.75 B. 32.75 C. 17.175 D. 21.375 11. : Dy gm cc hirocacbon khi tc dng vi clo theo t l mol: 1:1(chiu sng) u thu c 4 dn xut monoclo l A. iso pentan v 2,2- imetyl butan B. 2,3- imetyl butan v metyl xiclopentan C. 2,2- imetyl pentan v 2,3- imetyl butan D. metyl xiclopentan v iso pentan 12. A l hp cht hu c mch vng cha C, H, N trong N chim 15,054% theo khi lng. A tc dng vi HCl to ra mui c dng RNH3Cl. Cho 9,3g A tc dng ht vi nc brom d thu c a g kt ta. Gi tr ca a l A. 33 gam B. 44 gam C. 30 gam D. 36 gam 13. Cho hn hp gm 0,01 mol Al v 0,02 mol Mg tc dng vi 100ml dung dch cha AgNO3 v Cu(NO3)2, sau khi phn ng xy ra hon ton thu c m gam cht rn X gm 3 kim loi, X tc dng hon ton vi HNO3 c, d thu c V lt NO2( ktc v duy nht ). Gi tr ca V l A. 1,232. B. 1,680. C. 1,568 D. 2,24. 14. Chia 10 gam hn hp gm (Mg, Al, Zn) thnh hai phn bng nhau. Phn 1 c t chy hon ton trong O2 d thu c 21 gam hn hp oxit. Phn hai ha tan trong HNO3 c, nng d thu c V (lit) NO2 (sn phm kh duy nht) ktc. Gi tr ca V l: A. 22,4 lit. B. 44,8 lit C. 30,8 lit D. 89,6 lit. 15. Thu phn hon ton 1 mol pentapeptit A th thu c 3 mol glyxin; 1 mol alanin v 1mol valin. Khi thu phn khng hon ton A th trong hn hp sn phm thy c cc ipeptit Ala-Gly; Gly-Ala v tripeptit GlyGly-Val. Amino axit u N, amino axit u C pentapeptit A ln lt l : A. Gly, Gly. B. Gly, Val. C. Ala, Val. D. Ala, Gly. 2+ + 16. Trn dung dch cha Ba ; OH 0,06 mol v Na 0,02 mol vi dung dch cha HCO 3 0,04 mol; CO2-3 0,03 mol v Na+. Khi lng kt ta thu c sau phn ng l: A. 3,94 gam B. 1,97 gam C. 7,88 gam D. 5,91 gam 17. Hn hp X gm etan, propen, buta-1,3 dien co ti khi hi so vi hidro la 22,2. Khi t chay hoan toan 2,24 lit hn hp X (ktc), ri cho toan b san phm chay hp thu vao dung dich Ca(OH)2 d thu c m gam kt tua. Gia tri cua m la: A. 30 gam B. 32 gam C. 28 gam D. 35 gam 18. Cho cc cht: etyl axetat, anilin, ancol etylic, axit acrylic, phenol, phenylamoni clorua, ancol benzylic, pcrezol. Trong cc cht ny, s cht tc dng c vi dung dch NaOH l A. 5 B. 6 C. 4 D. 3 19. : Dng nhng ha cht no sau y c th nhn bit c bn cht lng khng mu l glixerol, ancol etylic, dung dch glucoz v anilin ? A. Na v dung dch Br2 B. Dung dch AgNO3 / NH3 v Cu(OH)2 C. Dung dch Br2 v Cu(OH)2 D. Na v dung dch AgNO3 / NH3 20. Cho 0.1 mol cht X ( CH6O3N2) tc dng vi dung dch cha 0,2 mol NaOH un nng thu c cht kh lm xanh giy qu tm m v dung dch Y. C cn dung dch Y thu c m gam rn khan. Gi tr ca m l A. 15 B. 8.5 C. 21.8 D. 12.5 21. Mt hp cht X (c khi lng phn t bng 103). Cho 51,50 gam X phn ng ht vi 500 ml dung dch NaOH 1,20M, thu c dung dch Y trong c mui ca aminaxit, ancol (c khi lng phn t ln hn khi lng phn t O2), C cn Y thu m gam cht rn. Gi tr m l A. 26,25 B. 48,50 C. 52,50 D. 24,25 22. Ha tan hn hp ba kim loi Mg, Fe, Cu bng dung dch HNO3 long. Sau khi phn ng xy ra hon ton, thu c cht khng tan l Cu co khi lng nho hn ban u. Phn dung dch sau phn ng c cha s cht tan la:

A. 4 B. 3 C. 2 D. 1 23. Cho hn hp hai anken ng ng k tip nhau tc dng vi nc (c H2SO4 lm xc tc) thu c hn hp Z gm hai ancol X v Y. t chy hon ton 1,06 gam hn hp Z sau hp th ton b sn phm chy vo 2 lt dung dch NaOH 0,1M thu c dung dch T trong nng ca NaOH bng 0,05M. Cng thc cu to thu gn ca X v Y l A. C2H5OH; C3H7OH. B. C2H5OH; CH3OH. C. C4H9OH; C3H7OH. D. CH3OH; C3H7OH. 24. T cc cht ban u l KMnO4, CuS, Zn, dd HCl c th iu ch trc tip (Bng 1 phan ng) c bao nhiu cht kh iu kin thng? A. 5 B. 3 C. 4 D. 2 25. un nng dung dch c cha 36 gam hn hp cha glucoz v fructoz (t l mol 1:1) vi mt lng va dung dch AgNO3/NH3 thy Ag tch ra . Lng Ag thu c v khi lng AgNO3 cn dng ln lt l: A. 21,6 va 34 gam. B. 43,2 va 34 gam. C. 21,6 va 68.gam. D. 43,2 va 68 gam. 26. A l hn hp cc mui Cu(NO3)2, Fe(NO3)2, Fe(NO3)3, Mg(NO3)2. Trong O chim 56,99% v khi lng. Cho dung dch KOH d vo dung dch cha 37,9 gam mui A. Lc kt ta thu c em nung trong chn khng n khi lng khng i thu c m gam oxit. Gi tr ca m l A. 17.6 B. 13,6 C. 17,025 D. 20.22 27. Dung dch Na2S tc dng vi tt c cc cht trong dy no sau y? A. HCl, H2S, FeCl3, Cu(NO3)2, ZnCl2. B. HCl, K2S, FeCl3, Cu(NO3)2, ZnCl2. C. HCl, H2S, KCl, Cu(NO3)2, ZnCl2. D. H2SO4, H2S, FeCl3, Cu(NO3)2, AgCl. 28. Cho khi lng ring ca cn nguyn cht l (d=0,8 gam/mL). Hi t 10 tn v bo cha 80% xenluloz c th iu ch c bao nhiu tn cn thc phm 45o. Bit hiu sut ton b qu trnh iu ch l 64,8%. A. 7,44 tn. B. 11,48 tn. C. 9,30 tn. D. 2,94 tn. 29. Cho cc cht sau: axit glutamic; valin, lixin, alanin, trimetylamin, anilin. S cht lm qu tm chuyn mu hng, mu xanh, khng i mu ln lt l: A. 1, 2, 3. B. 2, 1,3. C. 1, 1, 4. D. 3, 1, 2. 30. Cho 17,80 gam bt Fe vo 400 ml dung dch hn hp gm Cu(NO3)2 0,40M v H2SO4 0,50M. Sau khi cc phn ng xy ra hon ton, thu c m gam hn hp kim loi v V lt kh NO (sn phm kh duy nht, ktc). Gi tr m v V l A. 10,68 v 3,36 B. 11,20 v 3,36 C. 10,68 v 2,24 D. 11,20 v 2,24 31. Khi cho dung dich axit HCl ln lt tac dung vi Fe, CaO, Cu(OH)2, KMnO4, Na2CO3. Kt lun nao sau y y u v tinh cht cua axit HCl: A. Axit manh B. Axit manh, va co tinh kh, va co tinh oxihoa. C. Axit manh, co tinh oxihoa. D. Axit manh, co tinh kh. 32. Trong s cc dung dch: NaOH, NaHCO3, NaHSO4, BaCl2 th s cp dung dch c th phn ng vi nhau l: A. 5 B. 3 C. 6 D. 4 33. Cho Ba kim loi ln lt vo cc dung dch sau: NaHCO3, CuSO4, (NH4)2CO3, NaNO3, MgCl2. S dung dch to kt ta l A. 5 B. 3 C. 4 D. 2 34. C 45.75 gam cao su buna-S phn ng va ht vi 20 gam brom trong CCl4. T l mt xch buta-1,3-ien v stiren trong cao su buna-S l A. 1 : 3 B. 3 : 5 C. 2 : 3 D. 1 : 2 35. Hn hp X gm Na v Al. Cho m gam X vo lng d nc th thot ra V lt kh. Nu cng cho m gam X vo dung dch KOH d th thu c 2,5V lt kh. Thnh phn phn trm khi lng Na trong X l(cc kh o cng iu kin): A. 49,87%. B. 39,87%. C. 22,12%. D. 29,87%. 36. Cho dung dch NH3 d vo dung dch X cha hn hp MgCl2 , ZnCl2 v FeCl3, FeCl2 thu c kt ta Y. Nung kt ta Y trong khng khi ta c cht rn A , cho lung kh CO d i qua A nung nng n phn ng hon ton thu c cht rn B. Trong B c cha: A. Fe, MgO B. Fe, MgO, ZnO C. Fe2O3, MgO, ZnO D. Fe, Mg, Zn. 37. Kh 3,48 gram mt oxit kim loi cn dng 1,344 lt H2(ktc). Ton b lng kim loi M thu c cho tc dng vi dung dch HCl d cho 1,008 lt H2 (ktc),. Kim loi M v oxit ca n tng ng l: A. Cr va Cr2O3. B. Fe va Fe3O4 C. Cr va CrO. D. Fe va Fe2O3 38. Hn hp kh X gm H2 v C2H4 c t khi so vi He l 3.75. Dn X qua Ni nung nng, thu c hn hp kh Y c t khi so vi He l 5. Hiu sut ca phn ng hiro ho l A. 75% B. 40% C. 60% D. 50%

39. Cho cc cht sau: CH3CHO, C2H5OH, C2H5COOCH3, C2H4(OH)2, CH3OH, C6H12O6 (glucoz), C2H5O-OCCH3. S cht c th iu ch trc tip (bng mt phn ng) to ra axit axetic l: A. 4 B. 5 C. 2 D. 3 40. Cc hp cht ca dy no va th hin tnh oxi ha, va th hin tnh kh? A. H2O2, SO2, FeSO4. B. H2S, KMnO4, HI. C. Cl2O7, SO2, CO2. D. H2SO4, SO3, HCl. 41. S ng phn cu tao este mch thng c cng thc phn t C6H10O4 khi cho tc dng vi NaOH to ra 1 ancol va 1 mui la: A. 4. B. 2. C. 5. D. 3. 42. Saccaroz c tnh cht no trong s cc tnh cht sau: 1/ polisaccarit. 2/ khi tinh th khng mu. 3/ khi thu phn to thnh glucoz v frutoz. 4/ tham gia phn ng trng gng. 5/ phn ng vi Cu(OH)2. S tnh cht ng cua saccaroz la: A. 3. B. 4 C. 2 D. 5 43. Trong cng nghip HCl c th iu ch bng phng php sunfat theo phng trnh phn ng: t0 2HCl + Na2SO4 2NaCl (tinh th) + H2SO4 (c) Ti sao phng php ny khng c dng iu ch HBr v HI ? A. Do HBr v HI sinh ra l cht c B. Do tnh axit ca H2SO4 yu hn HBr v HI. C. Do NaBr v NaI t tin, kh kim D. Do Br-, I- c phn ng vi H2SO4 c, nng. 44. Trn 3 dung dch Ba(OH)2 0,1M, NaOH 0,2M, KOH 0,3 M vi nhng th tch bng nhau thu c dung dch A. Ly 300ml dung dch A cho phn ng vi V lt dung dch B gm HCI 0,2M v HNO3 0,29M. Thu c dung dch C c pH =12.Gi tr ca V l A. 0,134 lt B. 0,414 lt . C. 0,214 lt D. 0,424 lt 45. S cht ng vi cng thc phn t C4H10O2 c th ho tan c Cu(OH)2 l: A. 3. B. 5. C. 4. D. 2 46. Trong cc nhn xt sau, (1) Phn hn hp l phn NPK. (2) Amophot l mt loi phn phc hp. (3) Trong supephotphat kp, dinh dng ca phn ln l 60,68%. (4) dinh dng ca phn kali KCl l 63,08%. (5) Thnh phn chnh ca phn ln nung chy l hn hp photphat v silicat ca magie, canxi. (6) m amoni khng lm chua t. S nhn xt ng l: A. 5 B. 3 C. 4 D. 6 47. 1,72 gam hn hp anehit acrylic v anehit axetic tham gia phn ng cng va 1,12 lt H2(ktc). Cho thm 0,696 gam anehit B l ng ng ca anehit fomic vo 1,72 gam hn hp 2 anehit trn ri cho hn hp thu c tham gia phn ng trng bc hon ton c 10,152 gam Ag. S cng thc cu to ca B l: A. 2 B. 4 C. 1 D. 3 48. Khi x phng ho 1 mol este cn 120 gam NaOH nguyn cht. Mt khc khi x phng ho 1,27 gam este th cn 0,6 gam NaOH v thu c 1,41 gam mui duy nht. Bit ancol hoc axit l n chc. Cng thc cu to ca este l: A. (CH3COO)3C3H5. B. (C2H3COO)3C3H5. D. CH2(COOCH3)2. C. (COOC2H5)2. 49. Trong s cac kim loai: Rb (Z=57); Cr (Z=24); Cu (Z= 29); Fe (Z=26). S kim loai co s electron lp ngoai cung bng nhau la: A. 3 B. 1 C. 2 D. 4 50. Cho cc cht sau: Phenol, Axit acrylic, Glixerol, ancol etylic, Cu(OH)2, v dung dch brom. S cp cht phn ng c vi nhau l A. 6. B. 5 C. 4 D. 7 .....Ht....

LUYN THI S 8Cho bit nguyn t khi (theo vC) ca cc nguyn t: H = 1; He = 4; Li = 7; Be = 9; C = 12; N=14; O = 16; Na = 23; Mg = 24; Al = 27; S = 32; Cl = 35,5; K = 39; Ca = 40; Cr = 52; Mn = 55; Fe= 56; Ni = 59; Cu = 64; Zn = 65; Br = 80; Rb = 85; Sr = 88; Ag = 108; Sn = 119; Cs = 133; Ba=137; Pb = 207. I. PHN CHUNG CHO TT C TH SINH (40 cu, t cu 1 n cu 40) 01. Cho 11,36gam hn hp gm Fe, FeO, Fe2O3 v Fe3O4 phn ng ht vi HNO3 long d thu c V lt NO (sn phm kh duy nht ktc) v dung dch X. C cn dung dch X thu c 38,72 gam mui khan. Gi tr V l

A. 1,68 lit B. 2,24 lit C. 3,36 lit D. 1,344 lit 02. Tin hnh phn ng ng trng hp gia stiren v buta - 1,3 - ien (butaien), thu c polime X. C 2,834 gam X phn ng va ht vi 1,731 gam Br2. T l s mt xch (butaien : stiren) trong loi polime trn l A. 2 : 3 B. 1 : 3 C. 1 : 1 D. 1 : 2 03. Ha tan hon ton 1,23 gam hn hp X gm Cu v Al vo dd HNO3 c, nng thu c 1,344 lt kh NO2 (duy nht, ktc) v dd Y. Sc t t kh NH3 (d) vo dd Y, sau khi phn ng xy ra hon ton thu c m gam kt ta. Phn trm v khi lng ca Cu trong hn hp X v gi tr ca m ln lt l A. 78,05% v 0,78 B. 78,05% v 2,25 C. 21,95% v 2,25 D. 21,95% v 0,78 04. Ho tan hn hp Mg, Cu bng 200ml dung dch HCl thu c 3,36 lt kh (ktc) v cn li m gam kim loi khng tan. Oxi ho hon ton m gam kim loi thu c (1,25m + a) gam oxit, trong a > 0. Nng mol ca HCl l: A. 1,50M B. 2,75M C. 2,50M D. 2,00M 05. Nt R c cng thc oxit cao nht l RO3. Trong hp cht kh vi hiro, R chim 97,531 % khi lng. Trong hiroxit tng ng vi oxit cao nht ca R, R chim x% khi lng. Gi tr ca x l A. 65,91 B. 31,63 C. 32,65 D. 54,48 06. Hn hp A gm C2H2 v H2 c dA/H2 = 5,8. Dn A (ktc) qua bt Ni nung nng cho n khi cc phn ng xy ra hon ton ta c hn hp B. Phn trm th tch mi kh trong hn hp A v dB/H2 l A. 60% H2; 40% C2H2 ; 14,5 B. 40% H2; 60% C2H2; 29 C. 60% H2; 40% C2H2 ; 29 D. 40% H2; 60% C2H2 ; 14,5 Ha tan 4,5 gam tinh th MSO4.5H2O vo nc c dung dch X. in phn dung dch X vi in cc tr 07. v cng dng in 1,93A. Nu thi gian in phn l t (s) th thu c kim loi M catot v 156,8 ml kh ti anot. Nu thi gian in phn l 2t (s) th thu c 537,6 ml kh . Bit th tch cc kh o ktc. Kim loi M v thi gian t ln lt l: A. Cu v 1400 s B. Cu v 2800 s C. Ni v 2800 s D. Ni v 1400 s 08. Hn hp X gm Na v Al. Cho m gam X vo lng d nc th thot ra V lt kh. Nu cng cho m gam X vo dung dch NaOH d th thu c 2,5V lt kh. Thnh phn phn trm khi lng Na trong X l(cc kh o cng iu kin) A. 39,87% B. 29,87% C. 49,87% D. 22,12% 09. Phn ng tng hp glucoz trong cy xanh cn c cung cp nng lng

6CO2 + 6H2O C6H12O6 + 6O2 H = 2813kJ. 2 Trong mt pht, mi cm l xanh nhn c khong nng lng 2,09 J nng lng Mt tri, nhng ch 10% c s dng vo phn ng tng hp glucoz. Vi mt ngy nng (t 6 gi n 17 gi), din tch l xanh l 1m2 th khi lng glucoz tng hp c l: A. 78,78g B. 88,27g C. 93,20g D. 80,70g 10. Cho cc kim loi Cu, Ag, Al, Fe, Au. Dy gm cc kim loi c xp theo chiu (t tri sang phi) gim dn tnh dn in l A. Cu, Ag, Au, Al, Fe B. Cu, Ag, Al, Fe, Au C. Ag, Al, Fe, Au ,Cu D. Ag ,Cu, Au , Al, Fe 11. Cho 100g hp kim gm c Fe, Cr v Al tc dng vi lng d dung dch NaOH thu c 4,98 lt kh. Ly b rn khng tan cho tc dng vi mt lng d dung dch HCl (khng c khng kh) thu c 38,8 lt kh. Cc kh o ktc. Thnh phn phn trm ca Fe, Cr v Al trong hp kim ln lt l A. 83%, 13%, 4% B. 84%, 4,05%, 11,95% C. 80%, 15%, 5% D. 12%, 84%, 4% 12. Hn hp Y gm mt axit hu c n chc v mt este n chc. Ly 5,075 gam hn hp Y tc dng ht vi xt cn 100 ml dung dch NaOH 0.875 M to ra ancol B v 6,3 gam hn hp ca 2 mui axit hu c. un B c H2SO4 c thu c B1, bit dB1/B = 0,609. Vy axit v este l A. HCOOH, CH3COOC2H5 B. CH3COOH, C2H5COOC3H7 C. CH3COOH, C2H3COOC3H7 D. HCOOH, C2H5COOC2H5 13. Cho 7,84 lit (ktc) hn hp kh oxi v clo tc dng va vi hn hp cha 0,1 mol Mg v 0,3 mol Al thu c m (gam) hn hp mui clorua v oxit . Gi tr ca m bng A. 35,35 gam B. 21,7gam < m < 35,35 gam C. 21,7 gam D. 27,55 gam 14. Ho tan 10,71 gam hn hp nhm, km, st trong 4 lt HNO3 x mol/lit va thu c dung dch A v 1,792 lt hn hp kh gm N2 v N2O c t l mol 1:1(khng c cc sn phm kh khc). C cn dung dch A thu c m gam mui khan. Gi tr ca x v m tng ng l: A. 0,11 M v 27,67 gam B. 0,22 M v 55,35 gam C. 0,11 M v 25,7 gam D. 0,22 M v 5,35gam 15. Cho H2S ti d vo 500ml dung dch hn hp ZnCl21M v CuCl2 2 M sau phn ng khi lng kt ta thu c

asclorofin ,

A. 193 g B. 144,5 g C. 48,5 g D. 96g 16. c im chung ca cc phn t hp cht hu c l 1. thnh phn nguyn t ch yu l C v H. 2. c th cha nguyn t khc nh Cl, N, P, O. 3. lin kt ha hc ch yu l lin kt cng ho tr. 4. lin kt ho hc ch yu l lin kt ion. 5. d bay hi, kh chy. 6. phn ng ho hc xy ra nhanh. Nhm cc ng l: A. 1, 2, 3 B. 1, 3, 5 C. 2, 4, 6 D. 4, 5, 6 17. A,B,C l 3 hp cht thm c cng thc phn t C7H8O. em th tnh cht ha hc ca chng thy rng - Ch c A tc dng c vi NaOH, khi tc dng vi dung dch nc brm cho kt ta C7H5Br3O. - A v B tc dng vi Na gii phng H2 - C khng c cc tnh cht trn Tn gi A,B,C ln lt l A. m-crezol, ancol benzylic, metyl phenyl ete B. p-crezol, ancol benzylic, metyl phenyl ete C. p-crezol, m-crezol, metyl phenyl ete D. m-crezol, p-crezol, metyl phenyl ete 18. Cho mieng Fe nang m(g) vao dung dch HNO3, sau phan ng thay co 13,44 lt kh NO2 ( san pham kh duy nhat ktc) va con lai 4,8g chat ran khong tan.Gia tr cua m la: A. 10,8g B. 21,6g C. 23,8g D. 16g 19. Sc t t kh CO2 vo 100 ml dung dch cha ng thi NaOH 1M, Ba(OH)2 0,5M v BaCl2 0,7M. Tnh th tch kh CO2 cn sc vo (ktc) kt ta thu c l ln nht. A. 2,688 lt B. 2,24 lt C. 2,8 lt D. 3,136 lt 20. Hn hp X gm 2 kim loi X1, X2 c ho tr khng i, khng tc dng vi nc v ng trc Cu. Cho X tan ht trong dung dch CuSO4 d, thu c Cu. em Cu cho tan ht trong dung dch HNO3 long d, c 1,12 lt NO duy nht (ktc). Nu cho X tc dng ht vi dung dch HNO3 long, d th th tch N2 (ktc) l: A. 0,242 lt B. 0,336 lt C. 3,63 lt D. 0,224 lt 21. Chia 7,8 gam hn hp X gm Mg v Al thnh 2 phn bng nhau Phn I: Ho tan vo 250ml dung dch HCl aM, sau khi phn ng kt thc c cn dung dch thu c 12,775 gam cht rn khan Phn II: Ho tan vo 500ml dung dch HCl aM, sau khi phn ng kt thc c cn dung dch thu c 18,1 gam cht rn khan. Gi tr ca a l: A. 0,5 B. 1,0 C. 0,4 D. 0,8 22. Cho cc nguyn t Li(Z = 3), Na(Z = 11), F(Z = 9), Cl(Z= 17). Bn knh ion ca chng tng dn theo th t A. Li+, F-, Cl-, Na+ B. Li+, Na+, F-, Cl+ + C. F , Li , Na , Cl D. Li+, F-, Na+ , Cl23. Hn hp X gm mt ancol no, n chc v mt ancol khng no n chc c mt lin kt i (c 2 u mch h). Cho 2,54 gam X tc dng Na va lm bay hi cn li 3,64 gam cht rn. t chy ht hn hp X trn thu c 2,7 gam H2O. Hai ancol l A. CH3OH v C3H5OH B. C3H7OH v C4H7OH C. C2H5OH v C3H5OH D. C2H5OH v C4H7OH 24. Cho cc cht CH3COOC2H5, C2H2, C2H5OH, CH3CHO, C2H6, (CH3CO)2O CH3COONa, CH3OH s cht bng mt phn ng trc tip iu ch c CH3COOH l A. 7 B. 6 C. 5 D. 8 25. Cho hn hp cha x mol Mg, y mol Fe vo dung dch cha z mol CuSO4. Sau khi kt thc cc phn ng thu c cht rn gm 2 kim loi. Mun tho mn iu kin th A. z x B. z = x + y C. x z < x +y D. x < z y 26. iu ch nha phenol-fomanehit (1), cc cht u v cht trung gian trong qu trnh iu ch l: metan (2), benzen (3), anehit fomic (4), phenol (5), benzyl clorua (6), natri phenolat (7), axetilen (8), etilen (9), phenyl clorua (10). Chn cc cht thch hp cho s l A. (1), (2), (8), (9), (3), (5), (10) B. (1), (2), (3), (4), (5), (6), (7) C. (1), (3), (5), (7), (9), (6), (2), (4) D. (1), (2), (8), (4), (3), (10), (7), (5) 27. Cho cng thc ho hc ca mui cacnalt l xKCl.yMgCl2.zH2O. Bit khi nung nng 11,1g cacnalt th khi lng gim 4,32g. Mt khc khi cho 5,55g cacnalt tc dng vi dung dch KOH d, lc ly kt ta em nung n khi lng khng i th c cht rn c khi lng gim 0,36g so vi trc khi nung. Cng thc ho hc ca cacnalit l A. KCl.MgCl2.6H2O B. 2KCl.2MgCl2.6H2O C. KCl.2MgCl2.6H2O D. 2KCl.MgCl2.6H2O

28. Hp cht X mch h c cng thc phn t l C4H9NO2. Cho 10,3 gam X phn ng va vi dung dch NaOH sinh ra mt cht kh Y v dung dch Z. Kh Y nng hn khng kh, lm giy qu tm m chuyn mu xanh. Dung dch Z c kh nng lm mt mu nc brom. C cn dung dch Z thu c m gam mui khan. Gi tr ca m l A. 8,2 B. 9,4 C. 9,6 D. 10,8 29. Mt hn hp X gm 2 este. Nu un nng 15,7g hn hp X vi dung dch NaOH d th thu c mt mui ca axit hu c n chc v 7,6 gam hn hp hai ancol no n chc bc 1 k tip nhau trong dy ng ng. Mt khc nu t chy hon ton 15,7 gam hn hp Y cn dng va 21,84 lit O2 (ktc) v thu c 17,92 lt CO2 (ktc). Xc nh cng thc ca 2 este: A. C2H3COOC2H5 v C2H3COOC3H7 B. CH3COOCH3 v CH3COOC2H5 C. CH3COOC2H5 v CH3COOC3H7 D. C2H5COOC2H5 v C2H5COOC3H7 30. Ln men m gam glucoz vi hiu sut 90%, lng kh CO2 sinh ra hp th ht vo dung dch nc vi trong, thu c 10 gam kt ta. Khi lng dung dch sau phn ng gim 3,4 gam so vi khi lng dung dch nc vi trong ban u. Gi tr ca m l: A. 30,0 B. 13,5 C. 15,0 D. 20,0 31. Trn 3 dung dch H2SO40,1M, HNO3 0,2M, HCl 0,3M vi nhng th tch bng nhau c dung dch X. Ly 300ml dung dch X tc dng vi V lt dung dch Y gm: NaOH 0.2M v KOH 0,29M th c dung dch C c PH = 2. G tr V l A. 0,414 B. 0,134 C. 0,240 D. 0,350 32. Cho 11,6 gam FeCO3 tc dng va vi dung dch HNO3 thu c hn hp kh (CO2,NO) v dung dch X. Khi thm dung dich HCl d vo X th ha tan ti a c bao nhiu gam bt Cu ( bit c kh NO bay ra) A. 32 B. 28,8 C. 48 D. 16 33. Trn 100ml dd cha KHCO3 1M v K2CO3 1M vi 100ml dung dch cha NaHCO3 1M v Na2CO3 1M c 200ml dung dch X. Nh t t 100ml dung dch Y cha H2SO4 1M v HCl 1M vo dung dch X c V lt CO2 (ktc) v dung dch Z. Cho Ba(OH)2 d vo Z th thu c m gam kt ta. Gi tr ca V v m l: A. 1,12 v 82,4 B. 2,24 v 82,4 C. 2,24 v 59,1 D. 1,12 v 59,1 34. Hn hp M gm 3 cht hu c n chc X,Y,Z ( cha C,H,O) l trong X,Y ng phn ca nhau, Z ng ng lin tip vi Y( MZ > MY). t chy 4,62 gam M thu c 3,06 gam H2O . Mt khc khi cho 5,544 gam M tc dng NaHCO3 d thu c 1,344lit CO2(ktc). Cc cht X,Y,Z ln lt l A. HCOOCH3, CH3COOH, C2H5COOH B. C2H5COOH, CH3COOCH3, CH3COOC2H5 C. CH3COOH, HCOOCH3, HCOOC2H5 D. CH3COOCH3, C2H5COOH,C3H7COOH 35. Ch c giy mu m, la, v giy tm dd mui X ngi ta c th phn bit 4 l cha kh ring bit O2, N2, H2S v Cl2 do c hin tng: kh (1) lm tn la chy bng ln; kh (2) lm mt mu ca giy; kh (3) lm giy c tm dd mui X ho en. Kt lun sai l A. kh (1) l O2; X l mui CuSO4 B. kh (1) l O2; kh cn li l N2 C. X l mui Pb(NO3)2; kh (2) l Cl2 D. X l mui CuSO4; kh (3) l Cl2 36. Dung dch thuc th duy nht c th nhn bit c tt c cc mu kim loi: Ba, Mg, Al, Fe, Ag l: A. H2SO4 long B. NaOH C. FeCl3 D. HCl 37. Cc cht sau y c sp xp theo chiu gim dn hm lng Fe l A. FeS, FeS2, Fe2O