Page 1 of 7

B GIO DC V O TO

THI MINH HA - K THI THPT QUC GIA NM 2015 Mn thi: HA HC

Thi gian lm bi: 90 pht.

Cho bit nguyn t khi ca cc nguyn t: H = 1; Li = 7; C = 12; N = 14; O = 16; Na = 23; Mg = 24; Al = 27; S = 32; Cl = 35,5; K = 39; Ca = 40; Fe = 56; Cu = 64; Zn = 65; Rb = 85,5; Ag = 108; Cs = 133. Cu 1. trng thi c bn, cu hnh electron lp ngoi cng ca nguyn t X l 3s2. S hiu nguyn t ca nguyn t X l A. 12. B. 13. C. 11. D. 14. Cu 2. Cho phng trnh ha hc: aFe + bH2SO4 cFe2(SO4)3 + dSO2 + eH2O T l a : b l A. 1 : 3. B. 1 : 2. C. 2 : 3. D. 2 : 9. Cu 3. Cho s iu ch HNO3 trong phng th nghim:

Pht biu no sau y l sai khi ni v qu trnh iu ch HNO3? A. HNO3 l axit yu hn H2SO4 nn b y ra khi mui. B. HNO3 sinh ra di dng hi nn cn lm lnh ngng t. C. t nng bnh cu bng n cn phn ng xy ra nhanh hn. D. HNO3 c nhit si thp (830C) nn d b bay hi khi un nng.

Cu 4. Nguyn t ha hc no sau y thuc nhm halogen? A. Clo. B. Oxi. C. Nit. D. Cacbon. Cu 5. Thnh phn chnh ca phn m ure l A. (NH2)2CO. B. Ca(H2PO4)2. C. KCl. D. K2SO4. Cu 6. Khi t chy than , thu c hn hp kh trong c kh X (khng mu, khng mi, c). X l kh no sau y? A. CO2. B. CO. C. SO2. D. NO2. Cu 7: Hn hp X gm Mg (0,10 mol), Al (0,04 mol) v Zn (0,15 mol). Cho X tc dng vi dung dch HNO3 long (d), sau phn ng khi lng dung dch tng 13,23 gam. S mol HNO3 tham gia phn ng l A. 0,6200 mol. B. 1,2400 mol. C. 0,6975 mol. D. 0,7750 mol. Cu 8. Phng trnh ha hc no sau y l sai?

A. 2Na + 2H2O 2NaOH + H2. B. Ca + 2HCl CaCl2 + H2. C. Fe + CuSO4 FeSO4 + Cu. D. Cu + H2SO4 CuSO4 + H2.

Page 2 of 7

Cu 9. Cho cc nguyn t vi s hiu nguyn t sau: X (Z = 1); Y (Z = 7); E (Z = 12); T (Z = 19). Dy gm cc nguyn t kim loi l:

A. X, Y, E. B. X, Y, E, T. C. E, T. D. Y, T. Cu 10. Pht biu no sau y l ng?

A. iu kin thng, cc kim loi u c khi lng ring ln hn khi lng ring ca nc. B. Tnh cht ha hc c trng ca kim loi l tnh kh. C. Cc kim loi u ch c mt s oxi ho duy nht trong cc hp cht. D. iu kin thng, tt c cc kim loi u trng thi rn.

Cu 11. in phn vi in cc tr dung dch cha 0,2 mol Cu(NO3)2, cng dng in 2,68A, trong thi gian t (gi), thu c dung dch X. Cho 14,4 gam bt Fe vo X, thu c kh NO (sn phm kh duy nht ca N+5) v 13,5 gam cht rn. Bit cc phn ng xy ra hon ton v hiu sut ca qu trnh in phn l 100%. Gi tr ca t l

A. 0,60. B. 1,00. C. 0,25. D. 1,20. Cu 12. Cht no sau y khng phn ng vi dung dch NaOH? A. Cl2. B. Al. C. CO2. D. CuO. Cu 13. loi b lp cn trong m un nc lu ngy, ngi ta c th dng dung dch no sau y? A. Gim n. B. Nc vi. C. Mui n. D. Cn 700. Cu 14. Trng hp no di y thu c kt ta sau khi phn ng xy ra hon ton?

A. Cho dung dch NaOH d vo dung dch AlCl3. B. Cho dung dch AlCl3 d vo dung dch NaOH. C. Cho CaCO3 vo lng d dung dch HCl. D. Sc CO2 ti d vo dung dch Ca(OH)2.

Cu 15. Dung dch X gm Al2(SO4)3 0,75M v H2SO4 0,75M. Cho V1 ml dung dch KOH 1M vo 100 ml dung dch X, thu c 3,9 gam kt ta. Mt khc, khi cho V2 ml dung dch KOH 1M vo 100 ml dung dch X cng thu c 3,9 gam kt ta. Bit cc phn ng xy ra hon ton. T l V2 : V1 l

A. 4 : 3. B. 25 : 9. C. 13 : 9. D. 7 : 3. Cu 16. Cho 115,3 gam hn hp hai mui MgCO3 v RCO3 vo dung dch H2SO4 long, thu c 4,48 lt kh CO2 (ktc), cht rn X v dung dch Y cha 12 gam mui. Nung X n khi lng khng i, thu c cht rn Z v 11,2 lt kh CO2 (ktc). Khi lng ca Z l

A. 92,1 gam. B. 80,9 gam. C. 84,5 gam. D. 88,5 gam. Cu 17. Cht rn X mu thm tan trong nc thnh dung dch mu vng. Mt s cht nh S, P, C, C2H5OH bc chy khi tip xc vi X. Cht X l

A. P. B. Fe2O3. C. CrO3. D. Cu. Cu 18. Nhn nh no sau y l sai?

A. Gang v thp u l hp kim. B. Crom cn c dng m thp. C. St l nguyn t ph bin nht trong v tri t. D. Thp c hm lng Fe cao hn gang.

Cu 19. Cho m gam bt Fe vo 200 ml dung dch cha hai mui AgNO3 0,15M v Cu(NO3)2 0,1M, sau mt thi gian thu c 3,84 gam hn hp kim loi v dung dch X. Cho 3,25 gam bt Zn vo dung dch X, sau khi phn ng xy ra hon ton, thu c 3,895 gam hn hp kim loi v dung dch Y. Gi tr ca m l

A. 0,560. B. 2,240. C. 2,800. D. 1,435. Cu 20. Cho dy cc cht sau: Cu, Al, KNO3, FeCl3. S cht trong dy tc dng c vi dung dch NaOH l

A. 1. B. 2. C. 4. D. 3. Cu 21. Cho 46,8 gam hn hp CuO v Fe3O4 (t l mol 1:1) tan ht trong dung dch H2SO4 long, va , thu c dung dch A. Cho m gam Mg vo A, sau khi phn ng kt thc thu c dung dch B.

Page 3 of 7

Thm dung dch KOH d vo B c kt ta D. Nung D trong khng kh n khi lng khng i, thu c 45,0 gam cht rn E. Gi tr gn nht ca m l

A. 6,6. B. 11,0. C. 13,2. D. 8,8. Cu 22. Ho tan hon ton 12,2 gam hn hp gm FeCl2 v NaCl (c t l s mol tng ng l 1 : 2) vo mt lng nc d, thu c dung dch X. Cho dung dch AgNO3 d vo X, sau khi phn ng xy ra hon ton, thu c m gam cht rn. Gi tr ca m l

A. 34,1. B. 28,7. C. 10,8. D. 57,4. Cu 23. Cc nhn xt sau:

(a) Phn m amoni khng nn bn cho loi t chua. (b) dinh dng ca phn ln c nh gi bng phn trm khi lng photpho. (c) Thnh phn chnh ca supephotphat kp l Ca(H2PO4)2.CaSO4. (d) Ngi ta dng loi phn bn cha nguyn t kali tng cng sc chng bnh, chng rt

v chu hn cho cy. (e) Tro thc vt cng l mt loi phn kali v c cha K2CO3. (f) Amophot l mt loi phn bn phc hp. S nhn xt sai l A. 4. B. 3. C. 2. D. 1.

Cu 24. Ba dung dch A, B, C tho mn: - A tc dng vi B th c kt ta xut hin; - B tc dng vi C th c kt ta xut hin; - A tc dng vi C th c kh thot ra. A, B, C ln lt l: A. Al2(SO4)3, BaCl2, Na2SO4. B. FeCl2, Ba(OH)2, AgNO3. C. NaHSO4, BaCl2, Na2CO3. D. NaHCO3, NaHSO4, BaCl2.

Cu 25. Cho 66,2 gam hn hp X gm Fe3O4, Fe(NO3)2, Al tan hon ton trong dung dch cha 3,1 mol KHSO4 long. Sau khi cc phn ng xy ra hon ton thu c dung dch Y ch cha 466,6 gam mui sunfat trung ha v 10,08 lt (ktc) kh Z gm 2 kh trong c mt kh ha nu ngoi khng kh. Bit t khi ca Z so vi He l 23

18. Phn trm khi lng ca Al trong hn hp X gn nht vi gi tr no

sau y? A. 15. B. 20. C. 25. D. 30. Cu 26. Cho 200 ml dung dch Ba(OH)2 0,6M vo 100 ml dung dch cha NaHCO3 2M v BaCl2 1M, thu c a gam kt ta. Gi tr ca a l

A. 29,55. B. 19,70. C. 39,40. D. 35,46. Cu 27. Trn th gii, rt nhiu ngi mc cc bnh v phi bi chng nghin thuc l. Nguyn nhn chnh l do trong khi thuc l c cha cht A. nicotin. B. aspirin. C. cafein. D. moocphin. Cu 28. Ankin l nhng hirocacbon khng no, mch h, c cng thc chung l A. CnH2n+2 (n 1). B. CnH2n (n 2).

C. CnH2n-2 (n 2). D. CnH2n-6 (n 6). Cu 29. T tinh du hi, ngi ta tch c anetol l mt cht thm c dng sn xut ko cao su. Anetol c t khi hi so vi N2 l 5,286. Phn tch nguyn t cho thy, anetol c phn trm khi lng cacbon v hiro tng ng l 81,08%; 8,10%, cn li l oxi. Cng thc phn t ca anetol l

A. C10H12O. B. C5H6O. C. C3H8O. D. C6H12O. Cu 30. Tn thay th ca ancol c cng thc cu to thu gn CH3CH2CH2OH l

A. propan-1-ol. B. propan-2-ol.

Page 4 of 7

C. pentan-1-ol. D. pentan-2-ol. Cu 31. Cht no sau y c phn ng trng bc?

A. CH3CHO. B. C2H5OH. C. CH3COOH. D. CH3NH2. Cu 32. Hn hp T gm ba cht hu c X, Y, Z (50 < MX < MY < MZ v u to nn t cc nguyn t C, H, O). t chy hon ton m gam T thu c H2O v 2,688 lt kh CO2 (ktc). Cho m gam T phn ng vi dung dch NaHCO3 d, thu c 1,568 lt kh CO2 (ktc). Mt khc, cho m gam T phn ng hon ton vi lng d dung dch AgNO3 trong NH3, thu c 10,8 gam Ag. Gi tr ca m l

A. 4,6. B. 4,8. C. 5,2. D. 4,4. Cu 33. Cho dy cc dung dch sau: NaOH, NaHCO3, HCl, NaNO3, Br2. S dung dch trong dy phn ng c vi Phenol l

A. 2. B. 3. C. 4. D. 1. Cu 34. Mt s axit cacboxylic nh axit oxalic, axit tactric gy ra v chua cho qu su xanh. Trong qu trnh lm mn su ngm ng, ngi ta s dng dung dch no sau y lm gim v chua ca qu su?

A. Nc vi trong. B. Gim n. C. Phn chua. D. Mui n. Cu 35. Khi b m, mt sc, nhiu ngi bnh thng c truyn dch ng b sung nhanh nng lng. Cht trong dch truyn c tc dng trn l

A. Glucoz. B. Saccaroz. C. Fructoz. D. Mantoz. Cu 36. S este c cng thc phn t C4H8O2 m khi thy phn trong mi trng axit th thu c axit fomic l

A. 1. B. 2. C. 3. D. 4. Cu 37. Thy phn mt triglixerit X bng dung dch NaOH, thu c hn hp mui gm natri oleat, natri stearat (c t l mol tng ng l 1 : 2) v glixerol. C bao nhiu triglixerit X tha mn tnh cht trn?

A. 2. B. 1. C. 3. D. 4. Cu 38. Ln men m gam tinh bt thnh ancol etylic vi hiu sut ca c qu trnh l 75%. Lng CO2 sinh ra c hp th hon ton vo dung dch Ca(OH)2, thu c 50 gam kt ta v dung dch X. Thm dung dch NaOH 1M vo X, thu c kt ta. lng kt ta thu c l ln nht th cn ti thiu 100 ml dung dch NaOH. Gi tr ca m l

A. 72,0. B. 90,0. C. 64,8. D. 75,6. Cu 39. X phng ho hon ton m gam mt este no, n chc, mch h E bng 26 gam dung dch MOH 28% (M l kim loi kim). C cn hn hp sau phn ng thu c 24,72 gam cht lng X v 10,08 gam cht rn khan Y. t chy hon ton Y, thu c sn phm gm CO2, H2O v 8,97 gam mui cacbonat khan. Mt khc, cho X tc dng vi Na d, thu c 12,768 lt kh H2 (ktc). Phn trm khi lng mui trong Y c gi tr gn nht vi

A. 67,5. B. 85,0. C. 80,0. D. 97,5. Cu 40: Cht no sau y trng hp to PVC?

A. CH2=CHCl. B. CH2=CH2. C. CHCl=CHCl. D. CHCH. Cu 41. Cht no sau y l amin bc 2?

A. H2N-CH2-NH2. B. (CH3)2CH-NH2. C. CH3-NH-CH3. D. (CH3)3N.

Cu 42. Khi ni v protein, pht biu no sau y sai? A. Protein c phn ng mu biure. B. Tt c cc protein u tan trong nc to thnh dung dch keo.

Page 5 of 7

C. Protein l nhng polipeptit cao phn t c phn t khi t vi chc nghn n vi triu. D. Thnh phn phn t ca protein lun c nguyn t nit. Cu 43. un nng 0,16 mol hn hp E gm hai peptit X (CxHyOzN6) v Y (CnHmO6Nt) cn dng 600 ml dung dch NaOH 1,5M ch thu c dung dch cha a mol mui ca glyxin v b mol mui ca alanin. Mt khc t chy 30,73 gam E trong O2 va thu c hn hp CO2, H2O v N2, trong tng khi lng ca CO2 v nc l 69,31 gam. Gi tr a : b gn nht vi

A. 0,730. B. 0,810. C. 0,756. D. 0,962. Cu 44. Amino axit X c cng thc (H2N)2C3H5COOH. Cho 0,02 mol X tc dng vi 200 ml dung dch hn hp H2SO4 0,1M v HCl 0,3M, thu c dung dch Y. Cho Y phn ng va vi 400 ml dung dch NaOH 0,1M v KOH 0,2M, thu c dung dch cha m gam mui. Gi tr ca m l A. 10,43. B. 6,38. C. 10,45. D. 8,09. Cu 45. Khi cho cht hu c A (c cng thc phn t C6H10O5 v khng c nhm CH2) tc dng vi NaHCO3 hoc vi Na th s mol kh sinh ra lun bng s mol A phn ng. A v cc sn phm B, D tham gia phn ng theo phng trnh ha hc sau: A B + H2O A + 2NaOH 2D + H2O B + 2NaOH 2D D + HCl E + NaCl

Tn gi ca E l A. axit acrylic. B. axit 2-hiroxi propanoic. C. axit 3-hiroxi propanoic. D. axit propionic.

Cu 46. Cho dy cc dung dch: HCOOH, C2H5NH2, NH3, C6H5OH (phenol). Dung dch khng lm i mu qu tm l A. HCOOH. B. C2H5NH2. C. C6H5OH. D. NH3. Cu 47. Ancol X

(MX = 76) tc dng vi axit cacboxylic Y thu c hp cht Z mch h (X v Y u ch c mt loi nhm chc). t chy hon ton 17,2 gam Z cn va 14,56 lt kh O2 (ktc), thu c CO2 v H2O theo t l s mol tng ng l 7 : 4. Mt khc, 17,2 gam Z li phn ng va vi 8 gam NaOH trong dung dch. Bit Z c cng thc phn t trng vi cng thc n gin nht. S cng thc cu to ca Z tha mn l

A. 1. B. 3. C. 2. D. 4. Cu 48. Cho dy cc cht: m-CH3COOC6H4CH3; m-HCOOC6H4OH; ClH3NCH2COONH4; p-C6H4(OH)2; p-HOC6H4CH2OH; H2NCH2COOCH3; CH3NH3NO3. S cht trong dy m 1 mol cht phn ng ti a c vi 2 mol NaOH l

A. 2. B. 3. C. 5. D. 4. Cu 49. Hn hp X gm 2 ancol CH3OH, C2H5OH c cng s mol v 2 axit C2H5COOH v HOOC[CH2]4COOH. t chy hon ton 1,86 gam X cn dng va 10,08 lt khng kh (ktc, 20% O2 v 80% N2 theo th tch) thu c hn hp Y gm kh v hi. Dn Y qua nc vi trong d, sau khi cc phn ng xy ra hon ton thy khi lng dung dch gim m gam. m gn nht vi gi tr

A. 2,75. B. 4,25. C. 2,25 D. 3,75

Page 6 of 7

Cu 50. Cho m gam hn hp gm hai ancol no, n chc, k tip nhau trong dy ng ng, tc dng vi CuO d, nung nng, thu c hn hp X gm kh v hi c t khi hi so vi H2 l 13,75. Cho X phn ng vi lng d dung dch AgNO3 trong NH3 un nng, thu c 64,8 gam Ag. Gi tr ca m l

A. 3,2. B. 7,8. C. 4,6. D. 11,0.

-------------------------HT--------------------------

Page 7 of 7

B GIO DC V O TO

P N THI MINH HA - K THI THPT QUC GIA NM 2015

Mn: HA HC

Cu s p n Cu s p n Cu s p n 1 A 18 C 35 A 2 A 19 B 36 B 3 A 20 B 37 A 4 A 21 D 38 D 5 A 22 A 39 B 6 B 23 C 40 A 7 D 24 C 41 C 8 D 25 A 42 B 9 C 26 C 43 A 10 B 27 A 44 A 11 B 28 C 45 B 12 D 29 A 46 C 13 A 30 A 47 B 14 B 31 A 48 B 15 D 32 A 49 A 16 D 33 A 50 B 17 C 34 A

-------------------Ht----------------------