wWw.VipLam.Info THI TH I HC KHA LUYN THI NM 2011------------------- -------------------

S 1Cu 1: Dy gm cc cht c th iu ch trc tip (bng mt phn ng) to ra axit axetic l: A. CH3CHO, C2H5OH, C2H5COOCH3. B. C2H4(OH)2, CH3OH, CH3CHO. C. CH3OH, C2H5OH, CH3CHO. D. CH3CHO, C6H12O6 (glucoz), CH3OH. Cu 2: Cho t t 150 ml dung dch HCl 1M vo 500 ml dung dch X gm Na2CO3 v NaHCO3 th thu c 1,008 lt kh (ktc) v dung dch Y. Cho dung dch Y tc dng vi dung dch Ba(OH)2 d th thu c 29,55 gam kt ta. Nng mol ca Na2CO3 v NaHCO3 trong dung dch X ln lt l: A. 0,21M v 0,18M B. 0,2M v 0,4M C. 0,21M v 0,32M D. 0,8M v 0,26M Cu 3: Thy phn dung dch cha 34,2 gam mantoz mt thi gian. Ly ton b sn phm thu c sau phn ng thy phn cho tc dng vi lng d dung dch AgNO3 trong NH3, sau phn ng hon ton thu c 31,32 gam Ag. Hiu sut ca phn ng thy phn mantoz l: A. 45% B. 50% C. 25% D. 55% Cu 4: X l hp cht hu c, mch h ch cha mt loi nhm chc. t chy hon ton X ch thu c CO2 v H2O. Khi lm bay hi hon ton 4,5 gam X thu c th tch bng th tch ca 2,1 gam kh N2 cng iu kin. S cng thc cu to ca X tha mn l: A. 5 B. 6 C. 3 D. 4 Cu 5: Dy cc kim loi c cu trc mng tinh th lp phng tm khi l: A. Na, K, Ba B. Ca, Sr, Ba C. Mg, Ca, Ba D. Na, K, Mg Cu 6: Dy ch cha nhng amino axit c s nhm amino v s nhm cacboxyl bng nhau l A. Gly, Glu, Lys B. Gly, Val, Ala C. Val , Lys, Ala D. Gly, Ala, Glu Cu 7: Ho tan ht m gam Al2(SO4)3 vo nc c dung dch X. Cho 360 ml dung dch NaOH 1M vo X, thu c 2a gam kt ta. Mc khc, nu cho 400 ml dung dch NaOH 1M vo X, cng thu c a gam kt ta. Cc phn ng xy ra hon ton, gi tr ca m l A. 18,81 B. 15,39 C. 20,52 D. 19,665 Cu 8: Cho phng trnh ho hc: FeSO 4 + KMnO4 + KHSO4 Fe2(SO4)3 + MnSO4 + K2SO4 + H2O. Tng h s ( s nguyn t, ti gin) ca cc cht c trong phng trnh phn ng l: A. 48 B. 52 C. 54 D. 40 Cu 9: Dy gm cc cht no sau y u c tnh lng tnh ? A. AlCl3, H2O, NaHCO3, Zn(OH)2, ZnO B. ZnCl2, AlCl3, NaAlO2, NaHCO3, H2NCH2COOH C. H2O, Zn(OH)2, HOOC-COONa, H2NCH2COOH, NaHCO3 D. Al, NaHCO3, NaAlO2, ZnO, Be(OH)2 Cu 10: tch c CH3COOH t hn hp gm CH3COOH v C2H5OH ta dng ho cht no sau y? A. Na v dung dch HCl B. Ca(OH)2 v dung dch H2SO4 C. CuO (to) v AgNO3/NH3 d D. H2SO4 c Cu 11: Cho m gam Fe tc dng ht vi dung dch cha y mol CuSO 4 v z mol H2SO4 long, sau phn ng hon ton thu c kh H2, m gam Cu v dung dch ch cha mt cht tan duy nht. Mi quan h gia y v z l A. y = 7z. B. y = 5z. C. y = z. D. y = 3z. Cu 12: un nng 10,71 gam hn hp X gm propyl clorua v phenyl clorua vi dung dch NaOH long, va v un nng, sau thm tip dung dch AgNO3 n d vo hn hp sau phn ng thu c 8,61 gam kt ta, cc phn ng xy ra hon ton. Khi lng phenyl clorua c trong hn hp X l A. 4,0 gam. B. 2,71 gam. C. 4,71 gam D. 6,0 gam. Cu 13: Sc V lt CO2 (ktc) vo 200 ml dung dch X gm Ba(OH) 2 1M v NaOH 1M. Sau phn ng thu c 19,7 gam kt ta, gi tr ln nht ca V l: A. 8,96 B. 11,2 C. 6,72 D. 13,44 Cu 14: Cho 3,2 gam Cu tc dng vi 100 ml dung dch hn hp HNO3 0,8M v H2SO4 0,2M, sn phm kh duy nht l kh NO. S gam mui khan thu c khi c cn dung dch sau phn ng l: A. 8,84 B. 5,64 C. 7,90 D. 10,08 Cu 15: Cho dy cc cht: CH4, C2H2, C2H4, C2H5OH, CH2=CH-COOH, C6H5NH2(anilin), C6H5OH (phenol), C6H6 (benzen), CH3CHO. S cht trong dy lm mt mu dung dch brom l A. 6 B. 5 C. 7 D. 8 Cu 16: Cho hn hp gm 3,36 gam Mg v 0,4 gam MgO tc dng vi dung dch HNO3 long d thu c 0,448 lt kh N2 l sn phm kh duy nht (ktc). C cn dung dch sau phn ng thu c 23 gam cht rn khan. S mol HNO 3 phn ng l: A. 0,32 mol B. 0,28 mol C. 0,34 mol D. 0,36 mol Cu 17: Cho cc polime sau: t nilon-6,6; poli(vinyl clorua); thy tinh plexiglas; teflon; nha novolac; t visco, t nitron, cao su buna. Trong , s polime c iu ch bng phn ng trng hp l: A. 5 B. 6 C. 7 D. 4 Cu 18: Ha tan mt lng ancol X vo nc thu c 6,4 gam dung dch Y, nng ca X trong Y l 71,875%. Cho 6,4 gam dung dch Y tc dng vi lng d Na thu c 2,8 lt H2 (dktc). S nguyn t H c trong cng thc phn t ancol X l: A. 10 B. 4 C. 8 D. 6 Cu 19: Khi nhit phn hon ton 100 gam mi cht sau: KClO3 (xc tc MnO2), KMnO4, KNO3 v AgNO3. Cht to ra lng O2 t nht lGV: H Anh Tun T: 0986.433.600

wWw.VipLam.InfoA. KMnO4 B. KNO3 C. AgNO3 D. KClO3 Cu 20: t chy hon ton 4,872 gam mt hirocacbon X, dn sn phm chy qua bnh ng dung dch nc vi trong. Sau phn ng thu c 27,93 gam kt ta v thy khi lng dung dch gim 5,586 gam. Cng thc phn t ca X l A. CH4 B. C4H8 C. C4H10 D. C3H6 Cu 21: Cho m gam Ca vo 500 ml dung dch cha NaHCO3 1M v CaCl2 0,5M. Sau khi phn ng xy ra hon ton thu c 40 gam kt ta. Gi tr ca m l: A. 16,0 B. 6,0 C. 8,0 D. 10,0 Cu 22: Cho cc cht: amoniac (1); anilin (2); p-nitroanilin (3); p-metylanilin (4); metylamin (5); imetylamin (6). Th t tng dn lc baz ca cc cht l: A. (3) < (2) < (4) < (1) < (5) < (6) B. (2) < (3) < (4) < (1) < (5) < (6) C. (2) > (3) > (4) > (1) > (5) > (6) D. (3) < (1) < (4) < (2) < (5) < (6) Cu 23: t chy hon ton mt hn hp X (glucoz, fructoz, metanal v etanoic) cn 3,36 lt O 2 (iu kin chun). Dn sn phm chy qua bnh ng dung dch Ca(OH)2 d, sau phn ng hon ton thu c m gam kt ta. Gi tr ca m l A. 10,0 B. 12,0 C. 15,0 D. 20,5 Cu 24: in phn 2 lt dung dch cha hn hp gm NaCl v CuSO4 vi in cc tr, c mng ngn n khi H2O bt u in phn c hai cc th dng li. Ti catt thu 1,28 gam kim loi ng thi ti ant thu 0,336 lt kh ( ktc). Coi th tch dung dch khng i th pH ca dung dch sau in phn l: A. 3 B. 12 C. 13 D. 2 3+ 5 Cu 25: Ion R c cu hnh electron phn lp ngoi cng l 3d . V tr ca R trong bng tun hon l: A. Chu k 4, nhm VIIB B. Chu k 3 nhm VIIIB C. Chu k 4 nhm VIIIB D. Chu k 4, nhm IIB Cu 26: Cht bo X c ch s axit l 7. trung ha lng axit c trong 10 kg X cn va m gam NaOH. Gi tr ca m l: A. 55 B. 70 C. 50 D. 60 Cu 27: Khi cho hn hp Fe3O4 v Cu vo dung dch H2SO4 long d thu c cht rn X v dung dch Y. Dy no di y gm cc cht u tc dng c vi dung dch Y? A. KI, NH3, NH4Cl B. BaCl2, HCl, Cl2 C. NaOH, Na2SO4,Cl2 D. Br2, NaNO3, KMnO4 Cu 28: Cho cc cht sau: axetilen, axit fomic, fomanehit, phenyl fomat, glucz, anehit axetic, metyl axetat, mantz, natri fomat, axeton. S cht c th tham gia phn ng trng gng l A. 8 B. 5 C. 6 D. 7 Cu 29: Cho m gam hp cht hu c X c cng thc phn t l C3H6O2 tc dng hon ton vi 200 ml dung dch KOH 0,7M thu c dung dch Y. C cn Y thu c 12,88 gam cht rn khan. Cng thc cu to ca X v gi tr ca m l A. HCOOCH2CH3 v 8,88 gam. B. CH3COOCH3 v 6,66 gam. C. C2H5COOH v 8,88 gam. D. C2H5COOH v 6,66 gam. Cu 30: t chy 3,2 gam mt este E n chc, mch h c 3,584 lt CO2 (ktc) v 2,304 gam H2O. Nu cho 15 gam E tc dng vi 200 ml dung dch NaOH 1M, c cn dung dch sau phn ng thu c 14,3 gam cht rn khan. Vy cng thc ca ancol to nn este trn c th l A. CH2=CH-OH B. CH3OH C. CH3CH2OH D. CH2=CH-CH2OH Cu 31: Ancol X, anehit Y, axit cacboxylic Z c cng s nguyn t H trong phn t v u no, n chc, mch h. t hon ton hn hp 3 cht trn (c s mol bng nhau) thu c t l mol gia CO2 v H2O l 11:12. Cng thc phn t ca X, Y, Z l: A. CH4O, C2H4O, C2H4O2 B. C4H10O, C5H10O, C5H10O2 C. C2H6O, C3H6O, C3H6O2 D. C3H8O, C4H8O, C4H8O2 Cu 32: S nguyn t ha hc m nguyn t ca n c electron cui cng in vo phn lp 4s l: A. 12 B. 1 C. 10 D. 2 Cu 33: a mt hn hp kh N2 v H2 c t l 1: 3 vo thp tng hp, sau phn ng thy th tch kh i ra gim 1/10 so vi ban u. Hiu sut ca phn ng tng hp NH3 l: A. 10% B. 20% C. 15% D. 25% Cu 34: X l hn hp cc mui Cu(NO3)2, Zn(NO3)2, Fe(NO3)3, Mg(NO3)2. Trong O chim 9,6% v khi lng. Nung 50 gam X trong bnh kn khng c oxi n khi phn ng xy ra hon ton thu c m gam oxit. Gi tr ca m l A. 44,6 B. 39,2 C. 17,6 D. 47,3 Cu 35: Cho 29,8 gam hn hp 2 amin n chc k tip tc dng ht vi dung dch HCl, lm kh dung dch thu c 51,7 gam mui khan. Cng thc phn t 2 amin l A. C2H5N v C3H7N B. CH5N v C2H7N C. C3H9N v C4H11N D. C2H7N v C3H9N Cu 36: Trong cc ho cht Cu, C, S, Na2SO3, FeS2 , O2, H2SO4 c. Cho tng cp cht phn ng vi nhau trong iu kin thch hp th s cp cht c phn ng to ra kh SO2 l A. 6 B. 7 C. 9 D. 8 Cu 37: nhn bit ba l mt nhn: phenol, stiren, ancol benzylic, ngi ta dng mt thuc th duy nht l A. Ca(OH)2 B. Dung dch NaOH C. Nc brom D. Na Cu 38: Ha tan hon ton 6,44 gam hn hp bt X gm FexOy v Cu bng dung dch H2SO4 c nng (d). Sau phn ng thu c 0,504 lt kh SO2 (sn phm kh duy nht, ktc) v dung dch cha 16,6 gam hn hp mui sunfat. Cng thc ca oxit st l: A. FeO B. Fe3O4 C. FeO hoc Fe3O4. D. Fe2O3 Cu 39: Thc hin cc th nghim sau:GV: H Anh Tun T: 0986.433.600

wWw.VipLam.Info(1). Sc kh C2H4 vo dung dch KMnO4. (2). Sc CO2 d vo dung dch NaAlO2 . (3). Chiu sng vo hn hp kh (CH4; Cl2). (4). Sc kh H2S vo dung dch FeCl3. (5). Sc kh NH3 vo dung dch AlCl3. (6). Sc kh SO2 vo dung dch H2S. S th nghim c phn ng oxi ho- kh xy ra l A. 1,3,4,6. B. 1,2,4,5 C. 2,4,5,6. D. 1,2,3,4. Cu 40: Pht biu no sau y l khng ng: A. Thy tinh lng l dung dch m c ca Na2SiO3 v K2SiO3 B. Nc Gia-ven l dung dch hn hp natri clorua v natri hipoclorit. C. Photpho trng c cu trc mng tinh th phn t. D. Phn bn phc hp l sn phm trn ln cc loi phn n theo t l khc nhau. Cu 41: Ch dng mt thuc th phn bit cc kim loi sau: Mg, Zn, Fe, Ba? A. Dung dch NaCl B. Nc C. Dung dch NaOH D. Dung dch H2SO4 long Cu 42: Cho hp cht X tc dng vi NaOH to ra kh Y lm xanh qu tm m. Mt khc, cht X tc dng vi axit HCl to ra kh Z va lm vn c nc vi trong, va lm mt mu dung dch Brom. Cht X khng tc dng vi dung dch BaCl2. Vy cht X c th l: A. NH4HSO3 B. NH4HCO3 C. (NH4)2CO3 D. (NH4)2SO3 Cu 43: Dy gm cc kim loi u tc dng c vi dung dch FeCl3 l: A. Fe, Mg, Cu, Ag, Al B. Au, Cu, Al, Mg, Zn C. Fe, Zn, Cu, Al, Mg D. Cu, Ag, Au, Mg, Fe Cu 44: Hn hp X gm HCHO v CH3CHO c t l mol 1 : 1. un nng 7,4 gam X vi lng d dung dch AgNO 3 trong NH3 ti phn ng hon ton thu c m gam cht rn. Gi tr ca m l A. 86,4 B. 64,8 C. 43,2 D. 32,4 Cu 45: Cho cc cht sau: C2H5OH, C6H5OH, C6H5NH2, dung dch C6H5ONa, dung dch NaOH, dung dch CH3COOH, dung dch HCl. Cho tng cp cht tc dng vi nhau iu kin thch hp, s cp cht c phn ng xy ra l A. 8 B. 12 C. 9 D. 10 Cu 46: Cho 0,1 mol hp cht ha c c cng thc phn t CH 6O3N2 tc dng vi dung dch cha 0,2 mol NaOH un nng, sau khi phn ng xy ra hon ton 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. 15 C. 12,5 D. 8,5 Cu 47: Ln men mt lng glucoz thnh ancol etylic th thu c 100 ml ancol 460. Khi lng ring ca ancol nguyn cht l 0,8 gam/ml. Hp th ton b kh CO2 sinh ra trong qu trnh ln men vo dung dch NaOH d thu c mui c khi lng l (cc phn ng xy ra hon ton) A. 106 gam B. 84,8 gam C. 212 gam D. 169,6 gam Cu 48: nhit khng i, cn bng ca phn ng thun - nghch b chuyn dch theo chiu thun khi tng p sut ca h l: A. 2SO3(k) 2SO2(k) + O2(k) B. CaCO3(r) CaO(r) + CO2(k) C. N2(k) + 3H2(k) 2NH3(k) D. I2(k) + H2(k) 2HI(k) Cu 49: Trong s cac phat biu sau v anilin (C6H5NH2): (1) Anilin tan it trong nc nhng tan nhiu trong dung dich NaOH. (2) Anilin co tinh baz, dung dich anilin khng lam i mau quy tim. (3) Anilin dung san xut phm nhum, dc phm, polime. (4) Anilin tham gia phan ng th brom vo nhn thm d hn benzen. Cac phat biu ung la A. (1), (2), (3) B. (1), (2), (4) C. (1), (3), (4) D. (2), (3), (4) Cu 50: Cho 200 ml dung dch AgNO3 2,5a mol/l tc dng vi 200 ml dung dch Fe(NO 3)2 a mol/l. Sau khi phn ng kt thc thu c 17,28 gam cht rn v dung dch X. Cho dung dch HCl d vo dung dch X thu c m gam kt ta. Gi tr ca m l A. 34,44 B. 28,7 C. 40,18 D. 43,05

. Het S 2Cu 1: S ng phn l hp cht thm c cng thc phn t C8H10O tc dng c vi NaOH l A. 9. B. 6. C. 7. D. 8. Cu 2: Cho cc phn ng: (I) Fe + HCl ; (II) Fe3O4 + H2SO4 (c) ; (III)KMnO4 + HCl ; (IV) FeS2 + H2SO4 (long) ; (IV) Al + H2SO4 (long) ; + S phn ng m H ng vai tr l cht oxi ho l: A. 3 B. 2 C. 4 D. 1 Cu 3: Hn hp X c C2H5OH, C2H5COOH, CH3CHO trong C2H5OH chim 50% theo s mol. t chy m gam hn hp X thu c 3,06 gam H2O v 3,136 lt CO2 (ktc). Mt khc 13,2 gam hn hp X thc hin phn ng trng bc thy c p gam Ag kt ta. Gi tr ca p l A. 9,72. B. 8,64. C. 10,8. D. 2,16. Cu 4: Cc nhn nh sau:GV: H Anh Tun T: 0986.433.600

wWw.VipLam.Info1)Axit hu c l axit axetic. 2)Gim n l dung dch axit axetic c nng t 2% - 5%. 3)Khi cho 1 mol axit hu c (X) tc dng vi Na d, s mol H 2 sinh ra bng s mol X v khi t chy axit X th thu c n(H2O) : nCO2 =1. Vy X l axit no n chc no. 4)Khi t chy hirocacbon no th ta c n(H2O) : nCO2 >1. Cc nhn nh sai l: A. 1, 2, 3, 4. B. 2, 3, 4. C. 1, 2, 3. D. 1, 3, 4. Cu 5: Cho s phn ng sau X + H2SO4 (c, nng) Fe2(SO4)3 + SO2 + H2O S cht X c th thc hin phn ng trn l A. 4. B. 6. C. 5. D. 7. Cu 6: C 4 dung dch long ca cc mui: BaCl2, ZnCl2, FeCl2, FeCl3. Khi sc kh H2S d vo cc dung dch mui trn th s trng hp c phn ng to kt ta l A. 3. B. 2. C. 1. D. 4. Cu 7: Chia m gam hn hp M gm hai ancol n chc k tip trong dy ng ng thnh 2 phn bng nhau. Cho phn mt tc dng vi Na (d), c 3,36 lt kh hiro (ktc). Cho phn hai phn ng hon ton vi CuO nhit cao, c hn hp M1 cha hai anehit (ancol ch bin thnh anehit). Ton b lng M 1 phn ng ht vi AgNO3 trong NH3, thu c 86,4 gam Ag. Gi tr ca m l A. 24,8 gam B. 30,4 gam C. 15,2 gam D. 45,6 gam Cu 8: Chia 156,8 gam hn hp L gm FeO, Fe3O4, Fe2O3 thnh hai phn bng nhau. Cho phn th nht tc dng ht vi dung dch HCl d c 155,4 gam mui khan. Phn th hai tc dng va vi dung dch M l hn hp HCl, H2SO4 long thu c 167,9 gam mui khan. S mol ca HCl trong dung dch M l A. 1,75 mol B. 1,50 mol C. 1,80 mol D. 1,00 mol Cu 9: Hn hp bt X gm BaCO3, Fe(OH)2, Al(OH)3, CuO, MgCO3. Nung X trong khng kh n khi lng khng i c hn hp rn A1. Cho A1 vo nc d khuy u c dung dch B cha 2 cht tan v phn khng tan C 1. Cho kh CO d qua bnh cha C1 nung nng c hn hp rn E (Cho cc phn ng xy ra hon ton). E cha ti a: A. 1 n cht v 2 hp cht. B. 3 n cht. C. 2 n cht v 2 hp cht. D. 2 n cht v 1 hp cht. Cu 10: Cho a gam Na vo 160 ml dung dch gm Fe2(SO4)3 0,125M v Al2(SO4)3 0,25M. Tch kt ta ri nung n khi lng khng i th thu c 5,24 gam cht rn. Gi tr a no sau y l ph hp? A. 9,43. B. 11,5. C. 9,2. D. 10,35. Cu 11: Cho hn hp Na, Al, Fe, FeCO3, Fe3O4 tc dng vi dung dch NaOH d, lc ly kt ta ri chia lm 2 phn. Phn 1 em tc dng vi dung dch HNO3 long d. Phn 2 em tc dng vi dung dch HCl d. S phn ng oxi ha kh xy ra l: A. 5. B. 6. C. 8. D. 7. Y Z. Cho cc cht sau y: etilen, etyl clorua, ancol etylic. S s nhiu nht th Cu 12: Cho s dng: X hin mi quan h gia cc cht trn l A. 3 B. 4 C. 5 D. 6 Cu 13: Cho cc cht sau: propyl clorua, anlyl clorua, phenyl clorua, natri phenolat, anilin, mui natri ca axit amino axetic, ancol benzylic. S cht tc dng c vi dung dch NaOH long khi un nng l A. 3. B. 4. C. 2. D. 1. Cu 14: Mt hn hp X gm Na, Al v Fe (vi t l mol Na v Al tng ng l 5:4) tc dng vi H2O d th thu c V lt kh, dung dch Y v cht rn Z. Cho Z tc dng vi dung dch H 2SO4 long d th thu c 0,25V lt kh (cc kh o cng iu kin). Thnh phn % theo khi lng ca Fe trong hn hp X l A. 14,4% B. 33,43% C. 20,07% D. 34,8%. Cu 15: Oxi ho 25,6 gam CH3OH (c xc tc) thu c hn hp sn phm X. Chia X thnh hai phn bng nhau Phn 1 tc dng vi AgNO3 d trong NH3 un nng thu c m gam Ag. Phn 2 tc dng va vi 100ml dung dch KOH 1M. Hiu sut qu trnh oxi ho CH3OH l 75%. Gi tr ca m l A. 64,8. B. 32,4. C. 129,6. D. 108. Cu 16: t chy 0,2 mol hp cht A thuc loi tp chc thu c 26,4 gam kh CO2, 12,6 gam hi H2O, 2,24 lt kh nit (ktc) v lng O2 cn dng l 0,75 mol. S ng phn ca A tc dng c vi dung dch NaOH v HCl l A. 2. B. 4. C. 3. D. 5. Cu 17: Cho V lt hn hp kh A gm clo v oxi tc dng va ht vi hn hp B gm 0,2 mol Al v 0,1 mol Mg th thu c 25,2 gam hn hp mui clorua v oxit ca 2 kim loi. S mol ca Cl2 c trong V lt hn hp kh A l A. 0,15. B. 0,3. C. 0,2. D. 0,25. Cu 18: Cho tng cht: Fe, FeO, Fe(OH)2, Fe(OH)3, Fe3O4, Fe2O3, Fe(NO3)2, Fe(NO3)3, FeSO4, Fe2(SO4)3, FeCO3 ln lt phn ng vi HNO3 c, nng, d. S phn ng thuc loi phn ng oxi ha kh l A. 7 B. 8 C. 10 D. 9GV: H Anh Tun T: 0986.433.600

wWw.VipLam.InfoCu 19: Cho bt Fe vo dung dch NaNO3 v H2SO4. n phn ng hon thu c dung dch A, hn hp kh X gm NO v H2 c v cht rn khng tan. Bit dung dch A khng cha mui amoni. Trong dung dch A cha cc mui: A. FeSO4, Fe(NO3)2, Na2SO4, NaNO3. B. FeSO4, Fe2(SO4)3, NaNO3, Na2SO4. C. FeSO4, Na2SO4. D. FeSO4, Fe(NO3)2, Na2SO4. Cu 20: Hn hp X c 2 hirocacbon ng ng lin tip, c t khi hi so vi H 2 bng 15,8. Ly 6,32 gam X li vo 200 gam dung dch cha xc tc thch hp th thu c dung dch Z v thy thot ra 2,688 lt kh kh Y iu kin tiu chun c t khi hi so vi H2 bng 16,5. Bit rng dung dch Z cha anehit vi nng C%. Gi tr ca C% l: A. 1,305% B. 1,407% C. 1,043% D. 1,208% Cu 21: C cc nhn nh sau y: 1)Nguyn tc sn xut gang l kh st bng CO nhit cao. 2)Nguyn tc sn xut thp l kh cc tp cht trong gang. 3)Tnh cht ha hc ca Fe2+ l tnh kh. 4)Nc cng l nc c cha ion Ca2+, Mg2+ di dng mui Cl-, HCO3-, SO42-. S nhn nh ng l A. 2. B. 3. C. 0. D. 1. Cu 22: C cc nhn nh sau: 1) Cu hnh electron ca ion X2+ l 1s22s22p63s23p63d6. Trong bng tun hon cc nguyn t ho hc, nguyn t X thuc chu k 4, nhm VIIIB. 2) Cc ion v nguyn t: Ne , Na+ , F c im chung l c cng s electron. 3) Khi t chy ancol no th ta c n(H2O) : n(CO2)>1. 4) Dy gm cc nguyn t c sp xp theo chiu gim dn bn knh nguyn t t tri sang phi l K, Mg, Si, N. . 5) Tnh baz ca dy cc hiroxit: NaOH, Mg(OH)2, Al(OH)3 gim dn. Cho: N (Z = 7), F (Z=9), Ne (Z=10), Na (Z=11), Mg (Z=12), Al (Z=13), K (Z = 19), Si (Z = 14). S nhn nh ng: A. 3. B. 5. C. 4. D. 2. Cu 23: Hn hp X gm 3 ancol n chc A, B, C trong B, C l 2 ancol ng phn. t chy hon ton 0,08 mol X thu c 3,96 gam H2O v 3,136 lt kh CO2 (ktc). S mol ancol A bng 5/3 tng s mol 2 ancol (B + C). Khi lng ca B, C trong hn hp l: A. 3,6 gam B. 0,9 gam C. 1,8 gam D. 2,22 gam Cu 24: Cho m in ca cc nguyn t nh sau: O(3,44), Cl(3,16), Mg(1,31), C(2,55), H(2,2) Trong cc phn t: MgO, CO2, CH4, Cl2O. S cht c kiu lin kt cng ha tr c cc l A. 2. B. 3. C. 1. D. 4. Cu 25: t chy hon ton 0,1 mol ancol no, mch h X cn va 5,6 lt oxi (ktc). X cng vi axit HOOCC6H4COOH l 2 monome c dng iu ch polime, lm nguyn liu sn xut t: A. Nilon-6,6. B. Lapsan. C. Capron. D. Enang Cu 26: Nung m gam hn hp X gm FeS v FeS 2 trong mt bnh kn cha khng kh (gm 20% th tch O2 v 80% th tch N2) n khi phn ng xy ra hon ton, thu c cht rn v hn hp kh Y c thnh phn th tch: N 2 = 84,77%; SO2 = 10,6% cn li l O2. Thnh phn % theo khi lng ca FeS trong X l A. 68,75% B. 59,46% C. 26,83% D. 42,3% Cu 27: Cho 32,8 gam hn hp gm axit glutamic v tyrosin (t l mol 1:1) tc dng vi 500ml dung dch NaOH 1M, phn ng hon ton thu c dung dch Y. C cn cn thn dung dch Y thu c m gam cht rn khan. Gi tr ca m l A. 49,2 B. 52,8 C. 43,8 D. 45,6 Cu 28: Cho cc cht v ion sau y: NO2 , Br2, SO2, N2, H2O2, HCl, S. S cht v ion c c tnh oxi ha v tnh kh l A. 7. B. 4. C. 6. D. 5. Cu 29: Cho qu tm vo ln lt cc dung dch: CH 3COOK, FeCl3, NH4NO3, K2S, Zn(NO3)2, Na2CO3. S dung dch lm i mu giy qu l A. 4 B. 6 C. 5 D. 3 Cu 30: Trong s cc loi t sau: t tm, t visco, t nilon-6,6, t axetat, t capron, t enang. Nhng loi t no thuc loi t nhn to l: A. T nilon 6,6 v t capron. B. T tm v t enang. C. T visco v t nilon-6,6. D. T visco v t axetat. 2SO3(k) ; H < 0 Cu 31: Cho phn ng sau: 2SO2(k) + O2(k) cn bng trn chuyn dch theo chiu thun th: (1): tng tng nhit , (2): tng p sut, (3): h nhit , (4): dng xc tc l V2O5, (5): Gim nng SO3. Bin php ng l: A. 1, 2, 5. B. 2, 3, 5. C. 1, 2, 3, 4, 5. D. 2, 3, 4, 5. Cu 32: T etilen v benzen, cht v c v iu kin phn ng c . Tng s phn ng t nht c th iu ch c polibutaien, polistiren, poli (butaien - stiren), poli (vinyl clorua) l A. 11. B. 12. C. 9. D. 10.GV: H Anh Tun T: 0986.433.600

wWw.VipLam.InfoCu 33: X phng ha hon ton 100gam cht bo c ch s axit bng 7 cn a gam dung dch Na0H 25%, thu c 9,43gam glyxerol v b gam mui natri. Gi tr ca a, b ln lt l: A. 49,2 v 103,37 B. 51,2 v 103,145 C. 51,2 v 103,37 D. 49,2 v 103,145 0 -15 Cu 34: Tch s ion ca nc mt s nhit nh sau: 20 C l 7,00.10 , 250C l 1,00.10-14, 300C l 1,50.10-14. S in ly ca nc l A. thu nhit B. ta nhit hay thu nhit ty theo iu kin phn ng C. ta nhit D. khng xc nh ta nhit hay thu nhit Cu 35: t chy hon ton mt lng hn hp hai este n chc no, mch h cn 3,976 lt oxi (ktc) thu c 6,38 gam CO2. Cho lng este ny tc dng va vi KOH thu c hn hp hai ancol k tip v 3,92 gam mui ca mt axit hu c. Cng thc ca hai cht hu c trong hn hp u l: A. HCOOC3H7 v HCOOC2H5 B. CH3COOCH3 v CH3COOC2H5 C. C2H5COOC2H5 v C2H5COOCH3 D. CH3COOC2H5 v CH3COOC3H7 Cu 36: Xt cc cht: imetylete (1), ancol metylic (2), ancol etylic (3), axit axetic (4), axeton (5). Cc cht trn c xp theo nhit si tng dn (t tri sang phi) l: A. 1, 5, 2, 3, 4 B. 2, 3, 4, 5, 1 C. 5, 1, 2, 3, 4 D. 1, 2, 3, 4, 5 Cu 37: Cho lung kh CO d i qua hn hp BaO, Al2O3 v FeO t nng thu c cht rn X1. Ho tan cht rn X1 vo nc thu c dung dch Y1 v cht rn E1. Sc kh CO2 d vo dung dch Y1 thu c kt ta F1. Ho tan E1 vo dung dch NaOH d thy b tan mt phn v cn cht rn G1. Cho G1 vo dung dch AgNO3 d (Coi CO2 khng phn ng vi nc). Tng s phn ng xy ra l A. 7. B. 8. C. 6. D. 9. Cu 38: Cho 25,65 gam mui gm H2NCH2COONa v H2NCH2CH2COONa tc dng va vi 250 ml dung dch H2SO41M. Sau phn ng c cn dung dch th khi lng mui do H2NCH2COONa to thnh l: A. 29,25 gam B. 18,6 gam C. 37,9 gam D. 12,4 gam Cu 39: Nung m gam hn hp X gm KClO3 v KMnO4 thu c cht rn Y v O2. Bit KClO3 phn hy hon ton, cn KMnO4 ch b phn hy mt phn. Trong Y c 0,894 gam KCl chim 8,132% theo khi lng. Trn lng O2 trn vi khng kh theo t l th tch VO2 : V KK =1:3 trong mt bnh kn ta thu c hn hp kh Z. Cho vo bnh 0,528 gam cacbon ri t chy ht cacbon, phn ng hon ton, thu c hn hp kh T gm 3 kh O2, N2, CO2, trong CO2 chim 22,92% th tch. Gi tr m (gam) l A. 12,59 B. 12,53 C. 12,70 D. 12,91 Cu 40: Cht hu c X mch h, khng cha lin kt (-O-O-) v c cng thc phn t l C3H6On. Bit X ch cha mt loi nhm chc. S ng phn cu to c th c ca X l A. 4. B. 6. C. 7. D. 5. Cu 41: Dng mt lng dung dch H2SO4 nng 20%, un nng ha tan va a mol CuO. Sau phn ng lm ngui dung dch n 1000C th khi lng tinh th CuSO4.5H2O tch ra khi dung dch l 30,7 gam. Bit rng tan ca dung dch CuSO4 1000C l 17,4 gam. Gi tr ca a l A. 0,1. B. 0,15. C. 0,2. D. 0,25. Cu 42: C dung dch X gm (KI v mt t h tinh bt). Cho ln lt tng cht sau: O 3, Cl2, H2O2, FeCl3, AgNO3 tc dng vi dung dch X. S cht lm dung dch X chuyn sang mu xanh l A. 4 cht B. 5 cht C. 3 cht D. 2 cht Cu 43: Ha tan hon ton 3,76 gam hn hp: S, FeS, FeS2 trong HNO3 d c 0,48 mol NO2 v dung dch X. Cho dung dch Ba(OH)2 d vo X, lc kt ta nung n khi lng khng i th khi lng cht rn thu c l: A. 17,545 gam B. 18,355 gam C. 15,145 gam D. 2,4 gam Cu 44: Ngi ta c th iu ch cao su Buna t g theo s sau: T 5 0 Xenluloz 3% glucoz 80% C2H5OH 6% Buta-1,3-ien H Cao su Buna Khi lng xenluloz cn sn xut 1 tn cao su Buna l A. 25,625 tn. B. 37,875 tn. C. 5,806 tn. D. 17,857 tn. Cu 45: Hn hp A gm 0,1 mol anehit metacrylic v 0,3 mol kh hiro. Nung nng hn hp A mt thi gian, c mt cht xc tc Ni, thu c hn hp hi B gm hn hp cc ancol, cc anehit v hiro. T khi hi ca B so vi He bng 95/12. Hiu sut ca phn ng hiro ha anehit metacrylic l: A. 100% B. 70% C. 65% D. 80% Cu 46: Cho 6,0 gam Mg tc dng ht vi dung dch HCl 18,25% (va ). Sau phn ng thu c dung dch mui A v hiro that ra. Bit phn ng xy ra hon ton. Vy nng phn trm ca dung dch mui s l: A. 22,41% B. 22,51% C. 42,79% D. 42,41% Cu 47: C 5 kh ng ring bit trong 5 l l Cl2, O2, HCl, O3, SO2. Hy chn trnh t tin hnh no trong cc trnh t sau phn bit cc kh: A. Qu tm m, dung dch KI/h tinh bt, Cu un nng. B. Dung dch AgNO3, dung dch KI/h tinh bt, dng u que m cn tn . C. Nhn bit mu ca kh, dung dch AgNO3, dung dch KI, dng u que m cn tn . D. Dung dch H2S, dung dch AgNO3, dung dch KI.GV: H Anh Tun T: 0986.433.600

wWw.VipLam.InfoCu 48: T butan, cht v c v iu kin phn ng c . S phng trnh phn ng ti thiu iu ch glixerol l A. 5. B. 4. C. 7. D. 6. Cu 49: Tm pht biu sai trong cc pht biu sau : A. Nhit si ca ankanol cao hn so vi ankanal c phn t khi tng ng. B. Phenol l cht rn kt tinh iu kin thng. C. Metylamin l cht lng c mi khai, tng t nh amoniac. D. Etylamin d tan trong H2O. Cu 50: Cho cc cht sau: C2H5OH, C6H5OH, C6H5NH2, dung dch C6H5ONa, dung dch NaOH, dung dch CH3COOH, dung dch HCl. Cho tng cp cht tc dng vi nhau c xc tc, s cp cht c phn ng xy ra l A. 12 B. 8 C. 9 D. 10

. Het S 3Cu 1: Nguyn t nguyn t X c 5 electron lp ngoi cng. Trong hp cht vi H2 ,X chim 82,353 % khi lng. X l A. As B. N C. P D. S Cu 2: Trong cng nghip ngi ta tng hp NH3 theo phng trnh ha hc sau: N2( k) + 3H2(k) 2NH3(k) Khi tng nng H2 ln 2 ln (gi nguyn nng ca kh N 2 v nhit phn ng) th tc phn ng tng ln bao nhiu ln A. 8 ln B. 2 ln C. 4 ln D. 16 ln Cu 3: Cho phn ng sau: KMnO4 + Na2SO3 + H2O Sn phm ca phn ng l: A. K2MnO4, Na2SO4, H2O B. Na2SO4 , MnO2, KOH C. K2MnO4, K2SO4,Na2SO4 D. K2SO4,MnSO4,Na2SO4 Cu 4: Khng th dng nc v dung dch NaOH nhn bit cc cht rn no sau y ng trong cc l mt nhn. A. K, Mg, Al, Al2O3 B. K2O, CaO, Al2O3, MgO C. BaO, MgO, ZnO, Mg D. NaCl, BaCl2, Al2(SO4)3 Cu 5: Ly mt mu nhm d cho vo dung dch NaOH v NaNO 3 c nng mol/l bng nhau, khi phn ng hon ton th thu c dung dch X v hn hp kh gm H2 v NH3. Trong X cha nhng ion no A. Na+, Al3+, NO3B. Na+, AlO2-, OHC. Na+, AlO2-, NO3D. Na+, Al3+, NH4+ Cu 6: Cho cc cht sau: Na2SO3, CaSO3, Na2S , Fe(HCO3)2, NaHSO3, FeS. C bao nhiu cht khi tc dng vi H 2SO4 c nng c th to kh SO2 A. 6 B. 3 C. 4 D. 5 Cu 7: Dy sp xp cc dung dch long c cng nng mol/l theo th t pH tng dn l: A. KHSO4, HF, H2SO4, Na2CO3 B. H2SO4, KHSO4, HF, Na2CO3 C. H2SO4, HF, KHSO4, Na2CO3 D. HF, H2SO4, Na2CO3, KHSO4 Cu 8: Cho bt nhm vo dung dch H2SO4 c, nng, d thu c dung dch X v kh SO 2 (sn phm kh duy nht). Cho t t dung dch NaOH n d vo dung dch X v un nh thu c dung dch Y. Cho t t dung dch HCl n d vo dung dch Y . S phn ng xy ra l A. 5 B. 6 C. 7 D. 8 Cu 9: Hn hp kh X gm CO2 v NO2 hp th vo dung dch NaOH va to thnh cc mui trung ha, sau em c cn dung dch thu c 36,6 gam mui khan. Nung mui khan nhit cao n khi lng khng i thu c 35 gam cht rn khan. % th tch mi kh trong hn hp l A. 75% v 25% B. 20% v 80% C. 80% v 20% D. 50% v 50% Cu 10: Cho 0,015 mol mt loi hp cht oleum vo nc thu c 200 ml dung dch X. trung ha 100 ml dung dch X cn dng 200 ml dung dch NaOH 0,15M. % v khi lng nguyn t lu hunh trong oleum trn l A. 32,65% B. 35,96% C. 37,86% D. 23,97% Cu 11: Cho a gam hn hp hai kim loi vo dung dch H2SO4 long, d. Th tch kh H2 (trong cng iu kin) c th thu c ln nht khi hn hp l A. Fe v Na B. Al v Cu C. K v Zn D. Mg v Fe Cu 12: Hn hp X gm bt Fe v kim loi M (ha tr khng i) nng 15,06 gam c chia lm hai phn bng nhau. Phn 1 cho tc dng vi dung dch HCl d thu c dung dch Y v 0,165 mol H 2. Phn 2 cho tc dng vi dung dch HNO3 d thu c 0,15mol NO (sn phm kh duy nht). Kim loi M l A. Mg B. Zn C. Al D. Cr Cu 13: Cho cc kh sau: SO2, NO2 , Cl2 , CO2. Cc cht kh khi tc dng vi dung dch NaOH ( nhit thng) lun to ra hai mui l A. NO2,SO2 B. CO2, Cl2 C. SO2, CO2 D. Cl2, NO2GV: H Anh Tun T: 0986.433.600

wWw.VipLam.InfoCu 14: Chn pht biu ng: A. Ion Fe3+ va c tnh kh va c tnh oxi ha. B. Dng km kim loi kh ion Cr2+ trong mi trng axt C. Dng Ag+ kh ion Fe2+ trong dung dch. D. Dng km kh ion Cr3+ trong mi trng axt. Cu 15: Ha tan ht cht rn X gm Mg, Zn, Al cn va 1,8 mol HNO 3. Sau phn ng thu c V lt NO (sn phm kh duy nht ktc). Gi tr ca V l A. 13,44 B. 10,08 C. 14,56 D. 11,2 Cu 16: Ha tan 2,74 gam Ba vo 100 ml dung dch HCl 0,2M v CuSO4 0,3M. Khi lng kt ta thu c l A. 3,31 B. 5,64 C. 4,66 D. 12,8 Cu 17: Mt loi phn Supephotphat kp c cha 79,51% mui canxiihidrophotphat cn li gm cc cht khng cha pht pho. dinh dng ca loi phn ln ny l A. 48,25% B. 42,25% C. 48,52% D. 45,75% Cu 18: C 5 dung dch ring bit trong nm ng nghim: (NH 4)2SO4, FeCl2, Cr(NO3)3, KHCO3, Al(NO3)3. Cho dung dch Ba(OH)2 n d vo 5 dung dch trn. Sau khi phn ng kt thc, s ng nghim c kt ta l A. 5. B. 2 C. 4 D. 3 Cu 19: Nung nng m gam hn hp gm Al v Fe3O4 trong iu kin khng c khng kh. Sau khi phn ng xy ra hon ton thu c hn hp cht rn X. Cho X tc dng vi dung dch NaOH d thu c dung dch Y, cht rn Z v 3,36 lt H2 (ktc). Sc kh CO2 d vo dung dch Y thu c 39 gam kt ta. Gi tr ca m l A. 45,6 B. 48,3 C. 36,7 D. 57,0 Cu 20: Nguyn tc luyn thp t gang l A. Dng oxi kh cc tp cht C, Si, P, S, Mn...trong gang thnh oxt ri bin thnh x v tch ra khi thp. B. Dng cht kh CO kh oxt st nhit cao. C. Oxi ha cc tp cht C, Si, P, Mn...trong gang thnh oxt ri bin thnh x v tch ra khi thp. D. Tng thm hm lng C trong gang thu c thp. Cu 21: Nung hn hp bt gm 15,2 gam Cr2O3 v m gam Al nhit cao. Sau khi phn ng hon ton thu c 23,3 gam hn hp cht rn X. Cho ton b X phn ng vi axt HCl d thot ra V lt kh H2 ( ktc). Gi tr ca V l A. 7,84 B. 4,48 C. 3,36 D. 10,08 Cu 22: A l hn hp cc mui Cu(NO 3)2, Fe (NO3)2, Fe(NO3)3, Mg(NO3)2, Trong oxi chim 57,6% khi lng. Cho dung dch KOH d vo dung dch cha 50 gam muiA. Lc kt ta thu c em nung trong chn khng n khi lng khng i thu c m gam oxt. Gi tr ca m l A. 47,3 B. 17,6 C. 44,6 D. 39,2 Cu 23: Cho 46,5 gam hn hp X gm Al, Fe, Cr vo cc ng dung dch NaOH d thu c 0,45 mol H 2 . Cho tip vo cc dung dch HCl d thu thm c 0,7 mol H2 . Khi lng crom trong hn hp X l. A. 1,3 B. 5,2 C. 15,6 D. 10,4 2Cu 24: Dung dch X cha cc cht anion: NO3 , SO4 , Cl v mt cation trong s cc cation sau: Ag +, Ba2+, Pb2+, Fe3+. Dung dch X c pH nh hn 7 . Cation c trong dung dch X l A. Pb2+ B. Fe3+ C. Ba2+ D. Ag+ Cu 25: in phn nng chy Al2O3 vi anot than ch (hiu sut in phn 100%) thu c m kg nhm catot v 67,2 m3 (ktc) hn hp kh X c t khi so vi H2 bng 16. Ly 2,24 lt (ktc) hn hp kh X sc vo dung dch nc vi trong d thu c 2 gam kt ta. Gi tr ca m l A. 108,0 B. 75,6 C 54,0 D. 67,5 Cu 26: Chn cu sai trong s cc cu sau y: A. Cc kim loi Na, Ba, K, Al u c cu to mng tinh th lp phng tm khi. B. C th dng dch Na2CO3, Ca(OH)2 , Na3PO4 lm mm nc cng. C. CrO3 l mt oxit axt, mui cromat v icromat c tnh oxi ha mnh. D. Phng php in phn c th iu ch c hu ht cc kim loi t Li, Na, ...Fe, Cu, Ag. Cu 27: Trong mt bnh kn dung tch 20 lt cha 9,6 gam O2 v m gam hn hp 3 hirocacbon A, B, C. Nhit , p sut trong bnh lc u l 00C v 0,448 atm. Bt tia la in t chy ht hirocacbon v gi nhit bnh 136,5 0C, p sut trong bnh lc ny l p, thu c 4,05 gam nc v 6,16 gam CO2 (coi th tch bnh khng i). Gi tr ca p l A. 0,693 B. 0,315 C. 0,613 D. 0,639 Cu 28: Hirocacbon X c t s hi so vi H2 l 28. Khi cng HBr vo X c th thu c ti a 3 sn phm cng. X l A. Metylpropan B. Metylxiclopropan C. But-1- en D. Xiclobutan Cu 29: C bao nhiu dn xut thm c cng thc phn t C8H10O, khi tc dng vi CuO nung nng to ra anehit A. 1 B. 3. C. 5 D. 4 Cu 30: Hp cht hu c X c cng thc phn t C4H7O2Cl. Khi thy phn trong mi trng kim c cc sn phm trong c 2 cht c kh nng tham gia phn ng trng bc. Cng thc cu to ng ca X l A. HCOOCH2CHClCH3 B. HCOOCH2CH2CH2Cl C. HCOOCHClCH2CH3 D. HOOCCHClCH2CH3GV: H Anh Tun T: 0986.433.600

wWw.VipLam.InfoCu 31: Cho 27,2 gam hn hp gm phenylaxetat v metyl benzoat (t l mol 1:1) tc dng vi 800 ml dung dch NaOH 0,5M thu c dung dch X. C cn dung dch X th khi lng cht rn thu c l A. 33,2 B. 30,6 C. 38,2 D. 40,7 Cu 32: T metan v cc cht v c cn thit, cn phi dng t nht bao nhiu phn ng iu ch c axitaxetic. A. 1 B. 2 C. 3 D. 4 Cu 33: Pht biu no sau y khng ng: A. nh hng ca vng benzen n nhm -OH lm cho phenol phn ng vi NaOH. B. nh hng ca vng benzen n nhm -OH lm cho phenol phn ng vi dung dch brom. C. nh hng ca nhm -NH2 n vng thm lm cho anilin phn ng vi dung dch brom. D. Anilin khng lm i mu qu tm m. Cu 34: Oxi ha m gam hn hp X gm fomanehit v axetanehit bng oxi iu kin thch hp thu c hn hp Y ch gm cc axit hu c . T khi hi ca Y so vi X bng A. Khong bin thin ca a l A. 1,30 < a< 1,50 B. 1,30< a < 1,53 C. 1,36 < a < 1,53 D. 1,36 < a < 1,50 Cu 35: Hp cht X cha mt nhm chc anehit trong phn t. Cho 0,52 gam X tc dng vi dung dch AgNO 3 trong NH3 d to ra 1,08 gam Ag. Mt khc cho 3,12 gam X tc dng ht vi Na to ra 672 ml H2 (ktc). S lng cht c cu to mch thng tha mn tnh cht ca X l A. 2 cht B. 3 cht C. 4 cht D. 6 cht Cu 36: t chy hon ton 0,1 mol hn hp hai ancol no n chc, ng ng lin tip. Dn ton b sn phm qua 1 lt dung dch Ba(OH)2 0,3M thu c 53,19 gam kt ta trng v dung dch X . Bit X c kh nng lm phenolphtalein chuyn mu. Hai ancol c s nguyn t cacbon l A. 4 v 5 B. 1 v 2 C. 3 v 4 D. 2 v 3 Cu 37: Cho 0,13 mol hn hp X gm CH 3OH, HCOOH, HCOOCH3 tc dng va 0,05 mol NaOH un nng. Oxi ha lng ancol sau phn ng thnh anehit, cho lng anehit ny tc dng ht vi AgNO 3 trong NH3 d c 0,4 mol Ag. S mol ca HCOOCH3 l. A. 0,02 B. 0,05 C. 0,04 D. 0,08 Cu 38: Thy phn triglixerit X trong NaOH ngi ta thu c hn hp 2 mui natrioleat v natristearat theo t l mol 1: 2. Khi t chy a mol X thu c b mol CO2 v c mol H2O. Lin h gia a, b, c l A. b c = 4a B. b - c = 3a C. b c = 2a D. b = c a Cu 39: X v Y l hai - aminoaxit (cha 1 nhm NH2 v 1 nhm COOH). un nng hn hp X, Y thu c cht hu c Z. Cho 0,1 mol Z tc dng va vi 0,2 mol NaOH, phn ng xong lm kh thu c cht rn G. t chy hon ton G thu c thu c 0,4 mol CO2. Cng thc phn t ca Z l A. C4H8O3N2 B. C6H12O3N2 C. C5H10O3N2 D. C3H6O3N2 Cu 40: Trong cc phn t polime: polivinylclorua, xenluloz, amilopectin (ca tinh bt), cao su lu ha, nha rezit, polistiren. Nhng phn t polime c cu to mch nhnh v mng khng gian l A. Amilopectin, cao su lu ha, nha rezit. B. Cao su lu ha, polivinylclorua, xenluloz. C. Amilopectin, polistiren, cao su lu ha. D. Xenluloz, polistiren, nha rezit. Cu 41: Polime X c cng thc (-NH - [CH2]2 CO - )n . Pht biu no sau y khng ng A. X ch c to ra t phn ng trng ngng. B. X c th ko si. C. X thuc loi poliamit D. % khi lng cacbon trong X khng thay i vi mi gi tr n. Cu 42: Cho 1,52 gam hn hp hai amin n chc no X, Y (c trn vi s mol bng nhau) tc dng va vi 200ml dung dch HCl, thu c 2,98 gam mui. Kt lun no sau y khng chnh xc A. Tn gi ca hai amin l imetylamin v etylamin. B. Nng dung dch HCl bng 0,2M. C. S mol mi cht l 0,02 mol. D. Cng thc hai amin l CH5N v C2H7N. Cu 43: Cc cht hu c n chc X,Y,Z c cng thc phn t tng ng l CH2O, CH2O2, C2H4O2 chng thuc cc dy ng ng khc nhau. Cng thc cu to ca Z l A. CH3OCHO B. HOCH2CHO C. HCOOCH3 D. CH3COOH Cu 44: X l hp cht hu c c cng thc phn t C5H11O2N. un X vi dung dch NaOH thu c mt hp cht c cng thc phn t C2H4O2NNa v cht hu c Y. Cho hi Y qua CuO/t 0 thu c hp cht hu c Z c kh nng phn ng trng bc. Cng thc cu to ca X l A. CH3(CH2)4NO2 B. NH2CH2COOCH(CH3)2 C. NH2(CH2)2COOC2H5 D. NH2CH2COO(CH2)2CH3 Cu 45: Cht A c cng thc phn t C11H20O4. A tc dng vi NaOH to ra mui ca axit hu c B mch thng v 2 ancol l etanol v propan 2 ol. Cng thc cu to ca A l A. C2H5OOC(CH2)4OOCCH2CH2CH3 B. C2H5OOC(CH2)4COOCH2CH2CH3 C. C2H5OOC(CH2)4COOCH(CH3)2 D. C2H5OOC(CH2)4OOCCH(CH3)2 Cu 46: Pht biu ng l A. Phenol phn ng c vi dung dch NaHCO3.GV: H Anh Tun T: 0986.433.600

wWw.VipLam.InfoB. Thy phn benzylclorua thu c phenol. C. Vinyl axetat phn ng vi dung dch NaOH sinh ra ancol. D. Sc CO2 vo dung dch natri phenolat th dung dch vn c Cu 47: Este n chc X c t khi hi so vi metan bng 6,25. Cho 20 gam X tc dng vi 300 ml dung dch KOH 1M un nng, c cn dung dch thu c 28 gam cht rn khan. Cng thc cu to ca X l A. CH3CH2COOCH=CH2 B. CH3COOCH=CHCH3 C. CH2 =CHCOOCH2CH3 D. CH2=CHCH2COOCH3 Cu 48: Cho m gam hn hp hai axit cacboxylic X,Y k tip nhau trong dy ng ng tc dng vi lng d ancol propylic (trong H2SO4 c nng) thu c 14,25 gam hn hp hai este n chc. Cng cho m gam hn hp hai axt trn tc dng vi Na d to ra 0,075 mol H2. Gi s hiu sut phn ng l 100% v MY > MX. Cng thc cu to X, Y ln lt l A. CH3COOH, C2H5COOH B. HCOOH, CH3COOH C. CH2 = CHCOOH, CH2= CHCH2COOH D. CH3CH2COOH, CH3CH2CH2 COOH Cu 49: un nng 32,1 gam hn hp X gm hai cht hu c X, Z cng nhm chc vi dung dch NaOH d, thu c hn hp mui natri ca hai axit cacboxylic no, n chc k tip nhau trong dy ng ng v mt cht lng A (t khi hi ca A so vi metan bng 3,625). Cht A phn ng vi CuO un nng cho sn phm c phn ng trng bc. Cho 1/10 lng A phn ng vi Na c 0,015 mol H2. Nhn nh no sau y l sai A. Nung 1 trong 2 mui thu c vi NaOH ( c vi ti) s to metan B. Tn gi ca A l ancol anlylic C. Trong hn hp X hai cht Y, Z c s mol bng nhau D. t chy hon ton hn hp X trn s thu c nCO2 nH2O = 0,02 Cu 50: em oxi ha 2,76 gam ancol etylic bng CuO un nng thu c hn hp A c cha anehit, axt, ancol d v nc. Cho hn hp A tc dng hon ton vi dung dch AgNO3/NH3 d, t0 thu c 3,024 gam Ag Cho hn hp A trung ha va vi 10 ml dung dch NaOH 1M. % khi lng ancol etylic b oxi ha l A. 75% B. 40% C. 80% D. 95%

. Het S 4Cu 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 H 2SO4 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.

GV: H Anh Tun

T: 0986.433.600

wWw.VipLam.InfoC. 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, Na 2CO3, 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(CH 3COO)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 HNO 3 va , thu c hn hp kh cha CO 2, 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:GV: H Anh Tun T: 0986.433.600

wWw.VipLam.InfoA. 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 SO 2 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 ? A.

x =3 . y

B.

x =4. y

C.

x = 5. y

D.

x = 6. 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 h p 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. 12,4GV: H Anh Tun T: 0986.433.600

wWw.VipLam.InfoCu 38: A l hn hp cc mui Cu(NO 3)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 AgNO 3/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 H 2. 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 CO 2 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 CrCl3 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 HNO3 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 CH3OH + 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 m3 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, 1,1-icloetan, 1,2,3triclopropan, 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

. Het

S 5Cu 1: un 12,00 gam axit axetic vi 13,80 gam ancol etylic (c axit H2SO4 c lm xc tc). n khi phn ng dng li thu c 11,00 gam este. Hiu sut ca phn ng este ho l : A. 60,0%. B. 62,5%. C. 75,0%. D. 41,67%. Cu 2: Cho s chuyn ho :

(X) C4H10O X1 X2 X3 ixeton Cng thc cu to ca X c th l: A. CH3CH(CH3)CH2OH B. CH3C(CH3)2OH C. CH3CH(OH)CH2CH3 D. CH2(OH)CH2CH2CH3 Cu 3: Ly 12 gam hn hp 2 mui sunfat ca kim loi kim M v kim loi kim th N (M,N thuc 2 chu k lin tip nhau) tc dng vi dung dch BaCl2 d thu c 23,3 gam kt ta. M c th l? H 2O ,H 2 SO4 dd Br2

+ H 2O / OH

+ CuO / t 0

GV: H Anh Tun

T: 0986.433.600

wWw.VipLam.InfoA. Li hoc Na. B. K. C. Na hoc K. D. Na. Cu 4: Hp th hon ton V lt CO2 (ktc) vo 400ml dung dch NaOH a M th thu c dng dch X. Cho t t va khuy u 150ml dung dch HCl 1M vo X thu c dung dch Y v 2,24 lt kh (ktc). Cho Y tc dng vi Ca(OH) 2 d xut hin 15 gam kt ta. Xac inh a? A. 1M. B. 1,5M. C. 0,75M. D. 2M. Cu 5: Cho hon hp gom khong kh d va hi cua 24 gam metanol i qua chat xuc tac Cu un nong, ngi ta thu c 40 ml fomalin 36% (d = 1,1 g/ml) . Vay hieu suat cua qua trnh chuyen hoa tren bang: A. 65,5% B. 70,4% C. 80,4% D. 74,0% Cu 6: t chay hoan toan 13,4 gam hp cht hu c X bng khng khi va u (cha 80% N 2 v 20% O2 v th tich), thu c 22 gam CO2, 12,6 gam H2O va 69,44 lit N2 (ktc). Xac inh CTPT cua X bit CTPT trung vi CTGN. A. A. C5H14N2 B. C5H14O2N C. C5H14ON2 D. C5H14O2N2 Cu 7: Hn hp X gm 2 axit no X1 v X2. t chy hon ton 0,3 mol X thu c 11,2 lt kh CO 2 (ktc). trung ha 0,3 mol X cn 500 ml dung dch NaOH 1M. Cng thc cu to ca 2 axit l: A. HCOOH v HOOC-COOH B. CH3COOH v C2H5COOH 3 2 C. CH COOH v HOOCCH COOH D.HCOOH v C2H5COOH Cu 8: Ly 1 mu Al d cho vo dung dch NaOH v NaNO3 c nng bng nhau, khi phn ng hon ton th thu c dung dch X v hn hp kh gm H2 v NH3. Trong X cha nhng ion no? A. Na+, Al3+, NO3-. B. Na+, AlO2-, OH-. C. Na+, AlO2-, NO3-. D. Na+, Al3+, NH4+. Cu 9: Ly m gam K cho tc dng vi 500ml dung dch HNO 3 thu c dung dch M v thot ra 0,336 lt hn hp N (ktc) gm 2 kh X v Y. Cho thm vo M dung dch KOH d th thy thot ra 0,224 lt kh Y. Bit rng qua trinh kh HNO chi tao mt san 3 phm duy nht. Xc nh m? A. 3,12 gam. B. 7,8 gam. C. 12,48 gam. D. 6,63 gam. Cu 10: Cho 1,52g hn hp hai amin n chc no X, Y (c trn vi s mol bng nhau) tc dng va vi 200ml dung dch HCl, thu c 2,98g mui. Kt lun no sau y khng chinh xac? A. Tn gi 2 amin l imetylamin v etylamin B. Nng dung dch HCl bng 0,2 (M). C. S mol mi cht l 0,02 mol D. Cng thc ca amin l CH5N v C2H7N Cu 11: Cho 1,76 gam mt este ca axit cacboxylic no, n chc v mt ru no n chc phn ng va ht vi 40ml dung dch NaOH 0,50M thu c cht X v cht Y. t chy hon ton 1,20 gam cht Y cho 2,64gam CO 2 v 1,44 gam nc. Cng thc cu to ca este l : A. CH3CH2COOCH3 B. CH3COO-CH3 C. HCOOCH2CH2CH3 D. .CH3COOCH2CH2CH3 Cu 12: Khi vt bng gang, thp b n mn in ho trong khng kh m, nhn nh no sau y ng? A. Tinh th cacbon l catot, xy ra qu trnh oxi ho. B. Tinh th st l anot, xy ra qu trnh oxi ho. C. Tinh th cacbon l anot, xy ra qu trnh oxi ho. D. Tinh th st l anot, xy ra qu trnh kh. Cu 13: Cho Cu (d) tc dng vi dung dch Fe(NO3)3 c dung dch X. Cho AgNO3 d tc dng vi X c dung dch Y. Cho Fe (d) tc dng vi Y c hn hp kim loi Z. S phng trnh phn ng xy ra l? A. 5. B. 6. C. 4. D. 7. Cu 14: Cn trn dung dch X cha HCl 0,1M v H2SO4 0,1M vi dung dch Y cha NaOH 0,3M v Ba(OH) 2 0,1M theo t l th tch nh th no thu c dung dch c pH = 13. A. VA/VB = 1/3. B. VA/VB = 1/2. C. VA/VB = 2/1. D. VA/VB = 1/1. Cu 15: Cho dung dch NaOH d vo 100 ml dung dch X cha ng thi Ba(HCO 3)2 0,5M v BaCl2 0,4M th thu c m gam kt ta. Gi tr ca m l? A. 9,85. B. 19,7. C. 14,775. D. 17,73. Cu 16: Hn hp X gm mt s hirocacbon l l ng dng k tip c tng khi lng phn t l 252, trong khi lng phn t ca hirocacbon nng nht c khi lng phn t nng gp 2 ln khi lng phn t ca hirocacbon nh nht. Cng thc phn t ca hirocacbon nh nht trong X l A. C2H2. B. C3H8. C. C2H6 . D. C3H6. Cu 17: Khi tng p sut chung cua h phan ng, cn bng nao sau y khng thay i? A. 2CO(k) +O2(k) 2CO2(k) B. H2(k) + I2(k) 2HI(k) C. N2(k) +3H2(k) 2NH3(k) D. 2SO2(k) + O2(k) 2SO3(k) Cu 18: Cc cht ha c n chc Z1,Z2,Z3 c CTPT tng ng l CH2O, CH2O2, C2H4O2 . Chng thuc cc dy ng dng khc nhau. Cng thc cu to ca Z3 l A. HCOOCH3 B. CH3-O-CHO C. HO-CH2-CHO D. CH3COOCH3 Cu 19: Cho mt hn hp X cha NH3, C6H5NH2 v C6H5OH. X c trung ho bi 0,02 mol NaOH hoc 0,01 mol HCl. X cng phn ng va vi 0,075 mol Br2 to kt ta. Lng cc cht NH3,C6H5NH2 v C6H5OH ln lt bng A. 0,005 mol ; 0,02 mol v 0,005 mol B. 0,01mol ; 0,005 mol v 0,02 mol C. 0,01 mol ; 0,005 mol v 0,02 mol D. 0,005mol ; 0,005 mol v 0,02 mol Cu 20: Cho 2,5 (kg) glucoz cha 20% tp cht ln men thnh ru etylic. Trong qu trnh ch bin ru b hao ht mt 10%. Khi lng ru thu c l A. 920 (g) B. 92,5 (g) C. 925 (g) D. 92 (g) Cu 21: Chiu tng dn tnh baz ca dy cht sau C6H5OH, C6H5NH2, NH2CH3, NaOH l: A. C6H5NH2, C6H5OH, NH2CH3, NaOH B. NH2CH3,C6H5OH, C6H5NH2, NaOH C. C6H5OH, NH2CH3, C6H5NH2, NaOH D. C6H5OH, C6H5NH2, NH2CH3, NaOHGV: H Anh Tun T: 0986.433.600

wWw.VipLam.InfoCu 22: Polime no di y c cng cu trc mch polime vi nha bakelit? A. xenluloz B. amiloz C. cao su lu ha D. Glicogen Cu 23: Dung dch cha cc ion Na+, Ca2+, Mg2+, Ba2+, H+, Cl . Phi dng dung dch cht no sau y loi b ht cc ion Ca 2+, Mg2+, Ba2+, H+ ra khi dung dch ban u? A. Na2SO4. B. K2CO3. C. NaOH. D. AgNO3. Cu 24: Cho cc cht: Na2SO3, CaSO3, Na2S, Fe(HCO3)2, NaHSO3, FeS. C bao nhiu cht khi tc dng vi H2SO4 c nng c th to kh SO2? A. 4. B. 6. C. 3. D. 5. Cu 25: Mt nguyn t X c tng s ht l 76. Trong X, s ht mang in nhiu hn s ht khng mang in l 20. trng thi c bn, X c s electron c thn l? A. 4. B. 5. C. 3. D. 6. Cu 26: Cho cc nguyn t sau: 13X, 19Y v 20Z. S sp xp ng vi tnh baz gim dn ca cc hiroxit l? A. X(OH)3 > Z(OH)2 > YOH. B. YOH > Z(OH)2 > X(OH)3. C. Z(OH)2 > X(OH)3 > Y(OH)2. D. Z(OH)2 > YOH > X(OH)3. Cu 27: T toluen v cc cht phn ng trong mi th nghim l HNO 3/H2SO4 (1); Br2/Fe, to (2), KMnO4/H2SO4 (3), ngi ta c th iu ch c axit 2-brom-4-nitrobenzoic. Th t tin hnh cc phn ng l A. (1), (2), (3). B. (3), (1), (2). C. (3), (2), (1). D. (2), (1), (3). Cu 28: Hoa tan hoan toan hn hp X gm 0,11 mol Al va 0,15 mol Cu vao dung dich HNO3 thi thu c 1,568 lit (ktc) hn hp Y gm 2 khi (trong o co 1 khi khng mau hoa nu ngoai khng khi) va dung dich Z cha 2 mui. Xac inh s mol HNO3 a tham gia phan ng A. 0,63 mol. B. 0,7 mol. C. 0,77 mol. D. 0,76 mol. Cu 29: Dy cc kim loi iu ch c bng phng php thu luyn l? A. Ag, Ba, Ca, Zn B. Ag, Cu, Fe, Ni C. Ag, Al, Cu, Ba D. Ba, Ca, Na , Mg Cu 30: Cho 0,2 mol Zn vo dung dch X gm: 0,2 mol Fe(NO 3)3, 0,1mol Cu(NO3)2, 0,1 mol AgNO3. Khi lng cht rn thu c sau khi phn ng kt thc l A. 14 gam. B. 16,4 gam. C. 10,8 gam. D. 17,2 gam. Cu 31: Cho dy bin ho sau, bit A l 1 anhit a chc, mch thng v Y l ru (ancol) bc 2: C4H6O2 + O2 C4H6O4 +X C7H12O4 +Y C10H18O4 +H2O B + X + Y H2SO4 H2SO4 H+ xt

(A)

(B)

Tn gi ca X l A. propenol. B. propinol. C. propan-2-ol. D. propan-1-ol. Cu 32: em t chy 0,1mol hai ru no n chc, l ng ng lin tip. Dn ton b sn phm qua 1,0lit dung dch Ba(OH)2 0,3M thu c 53,19gam kt ta trng v dung dch X. Bit X c kh nng lm phenolphtalein chuyn mu. Vy hai ru trn c s nguyn t ccbon l: A. 4 v 5 B. 2 v 3 C. 1 v 2 D. 3 v 4 Cu 33: in phn c mng ngn dung dch NaCl (dung dch X) th thu c dung dch X. in phn c mng ngn dung dch Na2SO4 (dung dch Y) th thu c dung dch Y. Kt lun no sau y ng? A. pH(X) >pH(X) v pH(Y)>pH(Y). B. pH(X) >pH(X) v pH(Y)=pH(Y). C. pH(X) (1) > (5) > (6). D. (2) < (3) < (4) < (1) < (5) < (6). Cu 3: nhn bit ba l mt nhn: phenol, stiren, ancol benzylic, ngi ta dng mt thuc th duy nht l A. Na. B. Dung dch NaOH. C. Nc brom. D. Ca(OH)2. Cu 4: t chy 3,2 gam mt este E n chc, mch h c 3,584 lt CO2 (ktc) v 2,304 gam H2O. Nu cho 15 gam E tc dng vi 200 ml dung dch NaOH 1M, c cn dung dch sau phn ng thu c 14,3 gam cht rn khan. Vy cng thc ca ancol to nn este trn c th l A. CH2=CH-CH2OH. B. CH3OH. C. CH3CH2OH. D. CH2=CH-OH. Cu 5: Dy gm cc cht c th iu ch trc tip (bng mt phn ng) to ra axit axetic l A. CH3CHO, C2H5OH, C2H5COOCH3. B. CH3CHO, C6H12O6 (glucoz), CH3OH. C. CH3OH, C2H5OH, CH3CHO. D. C2H4(OH)2, CH3OH, CH3CHO.

GV: H Anh Tun

T: 0986.433.600

wWw.VipLam.InfoCu 6: Cho hn hp gm 3,36 gam Mg v 0,4 gam MgO tc dng vi dung dch HNO 3 long d thu c 0,448 lt kh N2 l sn phm kh duy nht (ktc). C cn dung dch sau phn ng thu c 23 gam cht rn khan. S mol HNO 3 phn ng l A. 0,36 mol. B. 0,28 mol. C. 0,34 mol. D. 0,32 mol. Cu 7: Khi nhit phn hon ton 100 gam mi cht sau: KClO3 (xc tc MnO2), KMnO4, KNO3 v AgNO3. Cht to ra lng O2 t nht l A. KClO3. B. KNO3. C. AgNO3. D. KMnO4. Cu 8: Pht biu no sau y l khng ng: A. Phn bn phc hp l sn phm trn ln cc loi phn n theo t l khc nhau. B. Nc Gia-ven l dung dch hn hp natri clorua v natri hipoclorit. C. Thy tinh lng l dung dch m c ca Na2SiO3 v K2SiO3 D. Photpho trng c cu trc mng tinh th phn t. Cu 9: un nng 10,71 gam hn hp X gm propyl clorua v phenyl clorua vi dung dch NaOH long, va , sau thm tip dung dch AgNO3 n d vo hn hp sau phn ng thu c 8,61 gam kt ta, cc phn ng xy ra hon ton. Khi lng phenyl clorua c trong hn hp X l A. 6,0 gam. B. 2,71 gam. C. 4,0 gam. D. 4,71 gam. Cu 10: Dy cc kim loi c cu trc mng tinh th lp phng tm khi l A. Ca, Sr, Ba. B. Na, K, Ba. C. Na, K, Mg. D. Mg, Ca, Ba. Cu 11: Cho dy cc cht: CH4, C2H2, C2H4, C2H5OH, CH2=CH-COOH, C6H5NH2(anilin), C6H5OH (phenol), C6H6 (benzen), CH3CHO. S cht trong dy lm mt mu dung dch brom l A. 5. B. 7. C. 8. D. 6. Cu 12: Cho 3 cht X, Y, Z. u cha C, H, O, u c khi lng phn t bng 74. Bit: Z c phn ng vi Na, ddNaOH, trng gng. Y c phn ng vi Na, trng gng. X c phn ng vi ddNaOH, trng gng. Cc cht l ng phn ca nhau l A. Y v Z. B. X, Y v Z. C. X v Y. D. X v Z. Cu 13: Cho phng trnh ho hc: FeSO4 + KMnO4 + KHSO4 Fe2(SO4)3 + MnSO4 + K2SO4 + H2O. Tng h s (s nguyn t, ti gin) ca cc cht c trong phng trnh phn ng l A. 52. B. 40. C. 54. D. 48. Cu 14: Thy phn dung dch cha 34,2 gam mantoz mt thi gian. Ly ton b sn phm thu c sau phn ng thy phn cho tc dng vi lng d dung dch AgNO3 trong NH3, sau phn ng hon ton thu c 31,32 gam Ag. Hiu sut ca phn ng thy phn mantoz l A. 25%. B. 55%. C. 50%. D. 45%. Cu 15: Cho cc cht sau: axetilen, axit fomic, fomanehit, phenyl fomat, glucoz, anehit axetic, metyl axetat, mantoz, natri fomat, axeton. S cht c th tham gia phn ng trng gng l A. 5. B. 7. C. 8. D. 6. Cu 16: Thc hin cc th nghim sau: (1). Sc kh C2H4 vo dung dch KMnO4. (2). Sc CO2 d vo dung dch NaAlO2 (3). Chiu sng vo hn hp kh (CH4; Cl2). (4). Sc kh H2S vo dung dch FeCl3. (5). Sc kh NH3 vo dung dch AlCl3. (6). Sc kh SO2 vo dung dch H2S. S th nghim c phn ng oxi ho- kh xy ra l A. 2,4,5,6. B. 1,3,4,6. C. 1,2,4,5. D. 1,2,3,4. Cu 17: Cho m gam Ca vo 500 ml dung dch cha NaHCO3 1M v CaCl2 0,5M. Sau khi phn ng xy ra hon ton thu c 40 gam kt ta. Gi tr ca m l A. 10,0. B. 8,0. C. 16,0. D. 6,0. Cu 18: Cho m gam Fe tc dng ht vi dung dch cha y mol CuSO 4 v z mol H2SO4 long, sau phn ng hon ton thu c kh H2, m gam Cu v dung dch ch cha mt cht tan duy nht. Mi quan h gia y v z l A. y = 5z. B. y = z. C. y = 7z. D. y = 3z. Cu 19: Ancol X, anehit Y, axit cacboxylic Z c cng s nguyn t H trong phn t v u no, n chc, mch h. t hon ton hn hp 3 cht trn (c s mol bng nhau) thu c t l mol gia CO2 v H2O l 11:12. Cng thc phn t ca X, Y, Z l A. C4H10O, C5H10O, C5H10O2. B. CH4O, C2H4O, C2H4O2. C. C2H6O, C3H6O, C3H6O2. D. C3H8O, C4H8O, C4H8O2. Cu 20: X l hn hp cc mui Cu(NO3)2, Zn(NO3)2, Fe(NO3)3, Mg(NO3)2. Trong O chim 9,6% v khi lng. Nung 50 gam X trong bnh kn khng c oxi n khi phn ng xy ra hon ton thu c m gam oxit kim loi. Gi tr ca m l A. 47,3 g. B. 44,6 g. C. 17,6 g. D. 39,2 g. Cu 21: ng dng no ca amino axit di y c pht biu khng ng ? A. Axit glutamic l thuc b thn kinh, methionin l thuc b gan. B. Cc amino axit (nhm amin v tr s 6, 7, ...) l nguyn liu sn xut t nilon C. Amino axit thin nhin (hu ht l -amino axit) l c s kin to protein ca c th sng. D. Mui inatri glutamat l gia v thc n (gi l bt ngt hay m chnh).GV: H Anh Tun T: 0986.433.600

wWw.VipLam.InfoCu 22: C cc nguyn liu CaO, KMnO4, H2O, dd HCl. Ngi ta dng cc nguyn liu trn iu ch 800 gam dung dch clorua vi 5,08%. Khi lng CaO v H2O dng l A. 20 g v 750 g. B. 18,14 g v 743,22 g. C. 16,8 g v 783,2 g. D. 17,92 g v 759,36 g. Cu 23: S nguyn t ha hc m nguyn t ca n c electron cui cng in vo phn lp 4s l A. 1. B. 10. C. 2. D. 12. Cu 24: t chy hon ton mt hn hp X (glucoz, fructoz, metanal v etanoic) cn 3,36 lt O 2 (iu kin chun). Dn sn phm chy qua bnh ng dung dch Ca(OH)2 d, sau phn ng hon ton thu c m gam kt ta. Gi tr ca m l A. 12,0. B. 20,5. C. 10,0. D. 15,0. Cu 25: X l hp cht hu c, mch h ch cha mt loi nhm chc. t chy hon ton X ch thu c CO 2 v H2O. Khi lm bay hi hon ton 4,5 gam X thu c th tch bng th tch ca 2,1 gam kh N2 cng iu kin. S cng thc cu to ca X tha mn l A. 4. B. 3. C. 5. D. 6. Cu 26: Cho 29,8 gam hn hp 2 amin n chc k tip tc dng ht vi dung dch HCl, lm kh dung dch thu c 51,7 gam mui khan. Cng thc phn t 2 amin l A. CH5N v C2H7N. B. C2H7N v C3H9N. C. C3H5N v C4H7N. D. C3H9N v C4H11N. Cu 27: Dy gm cc cht no sau y u c tnh lng tnh? A. AlCl3, H2O, NaHCO3, Zn(OH)2, ZnO. B. H2O, Zn(OH)2, HOOC-COONa, H2NCH2COOH, NaHCO3. C. Al, NaHCO3, NaAlO2, ZnO, Be(OH)2. D. ZnCl2, AlCl3, NaAlO2, NaHCO3, H2NCH2COOH. Cu 28: Cho cc polime sau: t nilon-6,6; poli(vinyl clorua); thy tinh plexiglas; teflon; nha novolac; t visco, t nitron, cao su buna. Trong , s polime c iu ch bng phn ng trng hp l A. 4. B. 6. C. 7. D. 5. Cu 29: Ha tan hon ton 6,44 gam hn hp bt X gm FexOy v Cu bng dung dch H2SO4 c nng (d). Sau phn ng thu c 0,504 lt kh SO2 (sn phm kh duy nht, ktc) v dung dch cha 16,6 gam hn hp mui sunfat. Cng thc ca oxit st l A. Fe2O3. B. FeO hoc Fe3O4. C. Fe3O4. D. FeO. Cu 30: a mt hn hp kh N2 v H2 c t l 1: 3 vo thp tng hp, sau phn ng thy th tch kh i ra gim 1/10 so vi ban u. Hiu sut ca phn ng tng hp NH3 l A. 15%. B. 10%. C. 20%. D. 25%. Cu 31: Cht bo X c ch s axit l 7. trung ha lng axit c trong 10 kg X cn va m gam NaOH. Gi tr ca m l A. 50. B. 60. C. 55. D. 70. Cu 32: Khi cho hn hp Fe3O4 v Cu vo dung dch H2SO4 long d thu c cht rn X v dung dch Y. Dy no di y gm cc cht u tc dng c vi dung dch Y? A. NaOH, Na2SO4, Cl2. B. Br2, NaNO3, KMnO4. C. BaCl2, HCl, Cl2. D. KI, NH3, NH4Cl. Cu 33: Ho tan 19,5 gam hn hp X gm Na 2O v Al2O3 vo nc c 500 ml dung dch Y. Dn t t kh CO 2 vo dung dch Y ng thi khuy u cho n khi bt u xut hin kt ta th dng li, thy th tch kh CO 2 (ktc) dng ht 2,24 lt. Khi lng Na2O v Al2O3 trong hn hp X ln lt bng A. 6,2g v 13,3g. B. 9,3g v 10,2g. C. 12,4g v 7,1g. D. 10,85g v 8,65g. Cu 34: Sc V lt CO2 (ktc) vo 200 ml dung dch X gm Ba(OH) 2 1M v NaOH 1M. Sau phn ng thu c 19,7 gam kt ta, gi tr ln nht ca V l A. 13,44. B. 8,96. C. 11,2. D. 6,72. Cu 35: Ha tan mt lng ancol X vo nc thu c 6,4 gam dung dch Y, nng ca X trong Y l 71,875%. Cho 6,4 gam dung dch Y tc dng vi lng d Na thu c 2,8 lt H2 (dktc). S nguyn t H c trong cng thc phn t ancol X l A. 6. B. 10. C. 4. D. 8. Cu 36: in phn 2 lt dung dch cha hn hp gm NaCl v CuSO4 vi in cc tr, c mng ngn n khi H2O bt u in phn c hai cc th dng li. Ti catot thu 1,28 gam kim loi, ng thi ti anot thu 0,336 lt kh ( ktc). Coi th tch dung dch khng i th pH ca dung dch sau in phn l A. 12. B. 2. C. 3. D. 13. Cu 37: Trong cc ho cht Cu, C, S, Na2SO3, FeS2 , O2, H2SO4 c. Cho tng cp cht phn ng vi nhau trong iu kin thch hp th s cp cht c phn ng to ra kh SO2 l A. 7. B. 8. C. 6. D. 9. Cu 38: Ho tan a gam hn hp Na2CO3 v KHCO3 vo nc c 400 ml dung dch X. Cho t t 100 ml dung dch HCl 1,5M vo dung dch X, thu c dung dch Y v 1,008 lt kh (ktc). Cho Y tc dng vi ddBa(OH)2 d thu c 29,55 gam kt ta. Nu cho t t dd X vo bnh ng 100 ml dd HCl 1,5M th th tch kh CO2 (ktc) thot ra lGV: H Anh Tun T: 0986.433.600

wWw.VipLam.InfoA. 1,68 lt. B. 2,688 lt. C. 3,36 lt. D. 2,24 lt. Cu 39: Cho m gam hp cht hu c X c cng thc phn t l C3H6O2 tc dng hon ton vi 200 ml dung dch KOH 0,7M thu c dung dch Y. C cn Y thu c 12,88 gam cht rn khan. Cng thc cu to ca X v gi tr ca m l A. C2H5COOH v 8,88 gam. B. CH3COOCH3 v 6,66 gam. C. C2H5COOH v 6,66 gam. D. HCOOCH2CH3 v 8,88 gam. Cu 40: Cho 3,2 gam Cu tc dng vi 100 ml dung dch hn hp HNO3 0,8M v H2SO4 0,2M, sn phm kh duy nht l kh NO. S gam mui khan thu c khi c cn dung dch sau phn ng l A. 7,90. B. 5,64. C. 10,08. D. 8,84. Cu 41: Cho 0,1 mol hp cht ha c c cng thc phn t CH 6O3N2 tc dng vi dung dch cha 0,2 mol NaOH un nng, sau khi phn ng xy ra hon ton 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. 8,5. B. 21,8. C. 15. D. 12,5. Cu 42: Cho cc cht sau: C2H5OH, C6H5OH, C6H5NH2, dung dch C6H5ONa, dung dch NaOH, dung dch CH3COOH, dung dch HCl. Cho tng cp cht tc dng vi nhau iu kin thch hp, s cp cht c phn ng xy ra l A. 10. B. 8. C. 9. D. 12. Cu 43: Cho cc cn bng sau (1) 2SO2(K) + O2 (k) 2SO3 (k) H0 Khi tng nhit cn bng dch chuyn sang phi l A. (1) v (3). B. (3) v (4). C. (1) v (2). D. (2) v (4). Cu 44: Ch dng mt thuc th phn bit cc kim loi sau: Mg, Zn, Fe, Ba A. Dung dch NaCl. B. Nc. C. Dung dch H2SO4 long. D. Dung dch NaOH. Cu 45: Ln men mt lng glucoz thnh ancol etylic th thu c 100 ml ancol 46 0. Khi lng ring ca ancol nguyn cht l 0,8 gam/ml. Hp th ton b kh CO2 sinh ra trong qu trnh ln men vo dung dch NaOH d thu c mui c khi lng l (cc phn ng xy ra hon ton) A. 106 gam. B. 84,8 gam. C. 169,6 gam. D. 212 gam. Cu 46: Dy gm cc kim loi u tc dng c vi dung dch FeCl3 l A. Fe, Zn, Cu, Al, Mg. B. Fe, Mg, Cu, Ag, Al. C. Au, Cu, Al, Mg, Zn. D. Cu, Ag, Au, Mg, Fe. Cu 47: Cho m gam hn hp X gm FeO, Fe2O3, Fe3O4 vo mt lng va vi dung dch H2SO4 (long), thu c dung dch Y c t l s mol Fe2+ v Fe3+ l 1 : 2. Chia Y thnh hai phn bng nhau. C cn phn mt thu c m1 gam mui khan. Cho H2SO4 c, d vo phn hai, c cn dung dch sau phn ng thu c m 2 gam mui khan. Bit m2 - m1 = 0,48. Gi tr ca m l A. 4,64. B. 2,32. C. 6,96. D. 9,28. Cu 48: Trong s cac phat biu sau v anilin (C6H5NH2): (1) Anilin tan it trong nc nhng tan nhiu trong dung dich NaOH. (2) Anilin co tinh baz, dung dich anilin khng lam i mau quy tim. (3) Anilin dung san xut phm nhum, dc phm, polime. (4) Anilin tham gia phan ng th brom vo nhn thm d hn benzen. Cac phat biu ung la A. (1), (2), (3). B. (1), (2), (4). C. (1), (3), (4). D. (2), (3), (4). Cu 49: Hn hp X gm HCHO v CH3CHO c t l mol 1 : 1. un nng 7,4 gam X vi lng d dung dch AgNO 3 trong NH3 ti phn ng hon ton thu c m gam cht rn. Gi tr ca m l A. 64,8. B. 86,4. C. 43,2. D. 32,4. Cu 50: Cho hp cht X tc dng vi NaOH to ra kh Y lm xanh qu tm m. Mt khc, cht X tc dng vi axit HCl to ra kh Z va lm vn c nc vi trong, va lm mt mu dung dch Brom. Cht X khng tc dng vi dung dch BaCl2. Vy cht X c th l A. (NH4)2SO3. B. NH4HSO3. C. (NH4)2CO3. D. NH4HCO3.

. Het S 7-- Cu 1. Ha tan hon ton m gam hn hp X gm Zn, Al, Mg trong dung dch HNO3 d thu c 0,1 mol kh NO v 0,1 mol kh N2O. Tnh s mol HNO3 phn ng? A. 1,4 mol B. 1,6 mol C. 1,2 mol D. 1,0 mol Cu 2. Cht X c cha vng benzen v c CTPT C8H10O. X tc dng Na nhng khng tc dng vi NaOH. Oxi ha X bng CuO thu c cht hu c Y c CTPT l C8H8O. Hy cho bit X c bao nhiu CTCT ? A. 3 B. 5 C. 4 D. 2 Cu 3. Hn hp X gm 0,2 mol acid n chc v 0,25 mol ancol etylic. Thc hin phn ng este ha gia acid vi ancol etylic (xt H2SO4 c) thu c 16 gam este. Hiu sut phn ng t 80%. Vy cng thc ca acid l: A. CH3COOH B. HCOOH C. C2H3COOH D. C3H5COOHGV: H Anh Tun T: 0986.433.600

wWw.VipLam.InfoCu 4. Cho a gam hn hp X gm 2 acid cacboxylic tc dng vi NaHCO3 d thu c V lt CO2. Mt khc, t chy hon ton a gam hn hp X thu c V lt CO2. Th tch CO2 o cng iu kin. Vy 2 acid trong hn hp X l: A. CH2=CH-COOH v HCOOH B. HCOOH v HOOC-COOH C. HCOOH v CH2(COOH)2 D. CH2(COOH)2 v CH2=CH-COOH Cu 5. Cho 6,72 lt CO2 hp th ht trong 5 lt dung dch Ba(OH)2 th thu c 19,7 gam kt ta. Vy nng mol/l ca Ba(OH)2 l: A. 0,08M B. 0,10M C. 0,06M D. 0,04M Cu 6. Sc kh SO2 vo 400 ml dung dch KMnO4 thu c dung dch khng mu, trong sut c pH = 1,0. Vy nng mol/l ca dung dch KMnO4 l: A. 0,05M B. 0,20M C. 0,025M D. 0,10M Cu 7. Tng cc ht electron trong cc phn lp p ca nguyn t X l 9; Hy cho bit s hiu nguyn t ng ca X? A. 15 B. 17 C. 9 D. 12 Cu 8. t chy hon ton cht hu c X c CTPT l CxHyO th s mol O2 cn dng t chy gp 4,5 ln s mol ca X chy, sau phn ng thu c CO2 v H2O trong s mol H2O > s mol CO2. Vy X c bao nhiu CTCT ? A. 3 B. 4 C. 6 D. 5 Cu 9. Cht hu c X c cng thc n gin l CH2O. em t chy hon ton mt lng cht X cn 0,3 mol O2. thu c CO2 v H2O. Hp th hon ton sn phm chy bng 200 gam dung dch NaOH 20%. Tnh nng % ca NaOH trong dung dch sau phn ng? A. 7,32% B. 7,64% C. 8,00% D. 6,75% Cu 10. Hn hp X gm etilen v H2 c t l mol 1 : 3. Cho V lt hn hp X qua Ni nung nng thu c V' lt hn hp Y (th tch cc kh o cng iu kin). Thit lp biu thc tnh hiu sut phn ng (h) theo V v V'. A. h = 4(V - V')/3V B. h = (V - V')/V C. h = (V - 3V')/3V D. h = 4(V - V')/V Cu 11. Cho xicloankan X tc dng vi dung dch Br2 thu c 2 dn xut X1, X2 l ng phn cu to ca nhau trong X1 c tn gi l 2,4-ibrompentan. Vy tn gi ca X2 l: A. 2,4-ibrom-2-metylbutan B. 1,3-ibrom-2-metylbutan C. 1,3-ibrom-2,2-imetylpropan D. 1,3-ibrom-3-metylbutan Cu 12. Hn hp X gm ancol etylic v glixerol. Cho a mol X tc dng vi Na d thu c a mol kh H2. Mt khc cho 13,8 gam hn hp X (dng hi) i qua CuO d. Tnh khi lng Cu thu c. Bit rng cc phn ng hon ton v CuO ch oxi ha ancol thnh nhm cacbonyl A. 19,2 gam B. 25,6 gam C. 6,4 gam D. 12,8 gam Cu 13. t chy hon ton hirocacbon X thu c CO2 v hi H2O trong hi H2O chim 38,03% v khi lng. Cho bit X l cht no sau y? A. C3H8 B. C2H6 C. C4H10 D. C5H12 Cu 14. Cho V lt CO2 hp th ht trong 200 ml dung dch NaOH thu c dung dch X cha 2 mui. C cn cn thn dung dch X thu c 21,2 gam cht rn khan. Tnh nng mol/l ca dung dch NaOH? A. 4M B. 1M C. 3M D. 2M Cu 15. Cho kh H2S vo dung dch NaOH thu c dung dch X cha hn hp 2 mui. Cho dung dch X tc dng vi dung dch CuCl2 d thu c kt ta Y v dung dch Z. Thm NaOH d vo dung dch Z. Cho bit c bao nhiu phn ng xy ra? A. 5 B. 4 C. 6 D. 7 Cu 16. hirat ha hn hp X gm 2 ancol thu c hn hp Y gm 2 olefin c khi lng phn t hn km nhau 14 gam/mol. t chy hon ton 0,1 mol hn hp Y cn 12,6 lt O2 (ktc). Hy cho bit c bao nhiu cp ancol tha mn? A. 3 B. 4 C. 5 D. 6 Cu 17. t chy hon ton 6,24 gam acid X thu c 4,032 lt CO2 (ktc) v 2,16 gam H2O. Hy cho bit nu cho 1 mol X tc dng vi NaHCO3 d th thu c bao nhiu lt CO2 (ktc)? A. 44,8 B. 33,6 C. 67,2 D. 22,4 Cu 18. Cho acid cacboxylic X tc dng vi amin Y thu c mui Z c CTPT C3H9O2N. Cho bit c bao nhiu cp X, Y tha mn? A. 1 B. 2 C. 3 D. 4 Cu 19. Sc 2,24 lt kh Cl2 (ktc) vo 100 ml dung dch NaOH long, nhit thng thu c dung dch cha NaCl nng 0,4M. Vy nng mol/l ca dung dch NaOH l: A. 0,8M B. 0,4M C. 1,0M D. 0,2M Cu 20. Cho 200 ml dung dch NaOH 2M vo 100 ml dung dch cha HCl 1,0M v AlCl3 0,8M. Tnh khi lng kt ta thu c sau phn ng? A. 3,12 gam B. 6,24 gam C. 4,68 gam D. 1,56 gam Cu 21. Hy cho bit dy cht no sau y tc dng vi NH3 A. MgO, O2, HCl v H2SO4 B. NaOH, Cu(OH)2, HCl v O2 C. NaNO3, FeCl3, Cl2 v HCl D. CuO, Cl2; O2 v HNO3 Cu 22. Cho acid cacboxylic (X) n chc vo 150 gam dung dch acid axetic 6%. trung ha hn hp thu c cn 300ml dung dch NaOH 1M. C cn dung dch sau phn ng thu c 26,4 gam hn hp mui khan. Vy acid X l : A. H-COOH B. CH2= CH-COOH C. CH3-CH2-COOH D. CH3CH2CH2-COOHGV: H Anh Tun T: 0986.433.600

wWw.VipLam.InfoCu 23. Cho 200 ml dung dch NaOH 0,07M vo 300 ml dung dch cha HCl 0,02M v H2SO4 0,005M thu c dung dch X. Tnh pH ca dung dch X? A. 7 B. 2 C. 11 D. 12 Cu 24. Cho 100 ml dung dch H3PO4 1M vo 100 ml dung dch NaOH thu c dung dch X c cha 20,4 gam hn hp 2 cht tan. Vy cc cht tan trong dung dch X l: A. Na2HPO4 v NaH2PO4 B. NaH2PO4 v H3PO4 C. NaOH v Na3PO4 D. Na3PO4 v Na2HPO4 Cu 25. Cho 16 gam hn hp X gm Cu, Fe tan hon ton trong 200 ml dung dch HNO3 4M thu c dung dch Y (khng cha acid) v 4,48 lt kh NO2 v NO (ktc). Tnh khi lng mui trong dung dch sau phn ng? A. 55,2 gam B. 54,2 gam C. 56,2 gam M D. 53,2 gam Cu 26. Cho hi ancol n chc X qua CuO nung nng thu c hn hp Y (gm 2 cht). T khi ca hn hp Y i vi H2 l 19. Vy cng thc ca X l: A. CH3OH B. C3H7OH C. C2H5OH D. C3H5OH Cu 27. Cho dung dch NaOH d vo dung dch X cha ZnCl2, FeCl2, MgCl2 v BaCl2 thu c dung dch Y v kt ta Z. Cho kt ta Z vo dung dch H2SO4 c, nng. Hi c bao nhiu phn ng xy ra? A. 5 B. 6 C. 7 D. 4 Cu 28. Hn hp X gm a mol Cu2S v 0,2 mol FeS2. t hn hp X trong O2 thu c hn hp oxit Y v kh SO2. Oxi ha hon ton SO2 thnh SO3 sau cho SO3 hp nc thu c dung dch cha H2SO4. Ha tan hon ton hn hp Y bng dung dch H2SO4 thu c dung dch cha 2 mui. Xc nh a? A. 0,1 mol B. 0,15 mol C. 0,05 mol D. 0,2 mol Cu 29. C bao nhiu amin bc II c CTPT l C4H11N? A. 4 B. 3 C. 2 D. 5 Cu 30. Cho s phn ng sau: X + Y -> Na2SO3 + H2O. Cho bit c bao nhiu cp X, Y tha mn s ? A. 1 B. 4 C. 3 D. 2 Cu 31. Cho cc cht c CTCT sau: CH3-CH=CH-Cl (1); Cl-CH2-CH=CH-CH3 (2); CH3-C(CH3)=CH-COOH (3); CH2=C(CH3)-COOH (4); CH3-CCl=CH-COOH (5). Cho bit nhng cht no c ng phn hnh hc? A. (1) (2) (3) B. (1) (2) (4) C. (2) (3) (4) D. (1) (2) (5)NaOH HC Cu 32. Cho s sau: X + Y + l X. Hy cho bit cht no sau y khng th l X? A. CH3COOC2H5 B. C6H5OH C. C6H5NH3Cl D. CH3COOH Cu 33. Cho 2 ion Xn+ v Yn- u c cu hnh electron l : 1s22s22p6. Tng s ht mang in ca Xn+ nhiu hn ca Yn- l 4 ht. Hy cho bit cu hnh ng ca X v Y? A. 1s22s22p63s23p1 v 1s22s22p3 B. 1s22s22p63s1 v 1s22s22p4 2 2 6 1 2 2 5 2 2 6 2 2 2 C. 1s 2s 2p 3s v 1s 2s 2p D. 1s 2s 2p 3s v 1s 2s 2p4 Cu 34. Cho bit ancol no sau y khi tch nc thu c 3 anken (k c ng phn hnh hc) A. isopropylic B. iso-pentylic C. tert-pentylic D. sec-butylic Cu 35. Ngi ta iu ch anilin bng cch nitro ha 500 gam benzen ri kh hp cht nitro sinh ra. Khi lng anilin thu c l bao nhiu, bit hiu sut ca qu trnh l 78%? A. 362,7gam B. 465,0 gam C. 346,7gam D. 463,4gam Cu 36. Cho t t 200 ml dung dch HCl vo dung dch cha 0,15 mol Na2CO3 v 0,1 mol NaHCO3 thu c kh CO2 v dung dch X. Cho nc vi trong d vo dung dch X thu c 20 gam kt ta. Vy nng mol/l ca dung dch HCl l: A. 2,0M B. 1,0M C. 0,5M D. 1,5M Cu 37. Cho hn hp X gm ancol metylic v 2 acid n chc kt tip nhau trong dy ng ng tc dng vi Na d gii phng ra 6,72 lt kh H2 (ktc). Nu un nng hn hp X (xt H2SO4 c) th cc cht trong hn hp tc dng va vi nhau to thnh 25 gam hn hp este. Vy 2 acid trong hn hp X l: A. C2H5COOH v C3H7COOH B. HCOOH v CH3COOH C. C2H3COOH v C3H5COOH D. CH3COOH v C2H5COOH Cu 38. Cho cc cht sau: anilin (1), p-metylanilin (2); benzyl amin (3); metyl phenyl amin (4); Hy cho bit nhng cht no tc dng vi Br2 (dd) cho kt ta trng? A. (1) (2) (4) B. (1) (3) (4) C. (1) (2) (3) D. (2) (3) (4) Cu 39. Cho bit dy cc ion no sau y u l baz? A. NO-3, CO2-3, SO2-3 v PO3-4 B. CO2-3; SO2-3, PO3-4 v CH3COOC. HCO-3; H2PO-4; CH3COO- v C6H5OD. NH+4, HSO-4; Al(OH)2+ v OHCu 40. C cc cht sau: CH3NH2 (1); NH3 (2); C6H5NH2 (3) v C6H5-NH-CH3 (4). S sp xp no theo chiu tng dn tnh baz ca cc cht ? A. (3) < (4) < (1) < (2) B. (3) < (4) < (2) < (1) C. (3) < (2) < (4) < (1) D. (2) < (3) < (4) < (1) Cu 41. Cho cc nguyn t sau: X (Z=12); Y (Z=14); M(Z=20) v Q(Z=17). S sp xp no sau y ng vi chiu tng dn v m in ca nguyn t cc nguyn t. A. M < Y < X < Q B. M < X < Y < Q C. Q < M < Y < X D. X < Y < M < Q Cu 42. Cho phn ng sau: C6H5-CH2-CH2-CH3 + KMnO4 + H2SO4 -> C6H5COOH + CH3COOH + K2SO4 + MnSO4 + H2O. Xc nh tng i s cc h s cht trong phng trnh phn ng. Bit rng chng l cc s nguyn ti gin vi nhau. A. 20 B. 16 C. 18 D. 14

GV: H Anh Tun

T: 0986.433.600

wWw.VipLam.InfoCu 43. Ha tan hon ton 8,4 gam Fe trong dung dch HNO3 d thu c 6,72 lt hn hp kh X gm NO2 v NO.Tnh s mol HNO3 tham gia phn ng. A. 0,60 mol B. 0,75 mol C. 0,65 mol D. 0,55 mol Cu 44. Cho hn hp X gm CH3COOH v C2H3COOH tc dng vi glyxerol c th thu c ti a bao nhiu trieste? A. 3 B. 5 C. 4 D. 6 Cu 45. Cho cc cht sau: NaOH, HCl, NaH2PO4, Na3PO4 v H3PO4. Cho cc cht tc dng vi nhau theo tng i mt. Cho bit c bao nhiu cp xy ra phn ng? A. 6 B. 5 C. 7 D. 4 Cu 46. Cho cc phn ng sau:(1) Cl2 + NaOH; (2) SO2 + NaOH; (3) NO2 + NaOH; (4) CO2 + NaOH; (5) Br2 + NaOH; Hy cho bit phn ng no l phn ng oxi ha - kh? A. (1) (3) (5) B. (1) (2) (5) C. (1) (2) (4) D. (1) (2) (3) Cu 47. C cc dung dch sau: phenol, anilin, phenyl amoni clorua, natri phenolat. Hy cho bit dy ha cht no sau y c th s dng phn bit cc dung dch ? A. qu tm, dung dch HCl, dung dch Br2 B. qu tm, dung dch AgNO3, dung dch NaOH C. phenol phtalein, qu tm, dung dch Br2 D. qu tm, dung dch AgNO3, dung dch Br2 Cu 48. C cc ion sau: X2-; Y-; M2+; R+ u c cu hnh electron l: 1s12s22p63s23p6. Hy cho bit kt lun no sau y ng vi tnh cht ca X2- ; Y-; M2+; R+ A. X2- ; Y- ; M2+; R+ l cht kh B. X2- ; Y- l cht kh; M2+; R+ l cht oxi ha 22+ + C. X ; Y ; M ; R l cht oxi ha D. X2- ; Y- l cht oxi ha ; M2+; R+ l cht kh Cu 49. Hy cho bit, phn ng no sau y c s dng iu ch kh NO trong cng nghip? A. Cu + HNO3 -> Cu(NO3)2 + NO + H2O B. N2 + O2 -> NO C. NH3 + O2 -> NO + H2O D. NO2 -> NO + O2 Cu 50. Cho a gam Cu, Fe vo dung dch cha b mol H2SO4 c, nng thu c kh SO2 v dung dch cha 3 mui c khi lng l m gam. Cho bit mi lin h gia m v a, b. A. m = a + 48b B. m = a + 96b C. m = a + 72b D. m = a + 24b

. Het S 8Cu 1. 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 Cu 2. 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 Cu 3. 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 Cu 4. 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 Cu 5. 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 Cu 6 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 Cu 7. Ha tan 4,5 gam tinh th MSO4.5H2O vo nc c dung dch X. in phn dung dch X vi in cc tr 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 Cu 8. 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% Cu 9. Phn ng tng hp glucoz trong cy xanh cn c cung cp nng lng

6CO2 + 6H2O C6H12O6 + 6O2

asclorofin ,

H = 2813kJ.

GV: H Anh Tun

T: 0986.433.600

wWw.VipLam.InfoTrong mt pht, mi cm2 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 Cu 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 Cu 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% Cu 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 Cu 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 Cu 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 Cu 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 A. 193 g B. 144,5 g C. 48,5 g D. 96g Cu 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 Cu 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 Cu 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 Cu 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 Cu 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 Cu 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 Cu 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+ , ClGV: H Anh Tun T: 0986.433.600

wWw.VipLam.InfoCu 23. 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 Cu 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 Cu 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 Cu 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) Cu 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 Cu 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 Cu 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 Cu 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 Cu 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 Cu 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 Cu 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 Cu 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 Cu 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 Cu 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 Cu 37. Cc cht sau y c sp xp theo chiu gim dn hm lng Fe l A. FeS, FeS2, Fe2O3, Fe3O4 , FeSO4, Fe 2(SO4)3, FeO B. FeO, Fe3O4 , Fe2O3 ,FeS, FeS2, FeSO4, Fe 2(SO4)3 C. Fe3O4 , FeS, FeS2, FeSO4, Fe 2(SO4)3, FeO, Fe2O3 D. FeS, FeS2, FeSO4, Fe 2(SO4)3, FeO, Fe2O3, Fe3O4GV: H Anh Tun T: 0986.433.600

wWw.VipLam.InfoCu 38. Ha tan hon ton y gam mt oxit st bng H2SO4 c, nng thy thot ra kh SO2 duy nht. Trong th nghim khc, sau khi kh hon ton cng y gam oxit bng CO nhit cao ri ha tan lng st to thnh bng H2SO4 c ,nng th thu c lng kh SO2 nhiu gp 9 ln lng kh SO2 th nghim trn. Cng thc ca oxit st l A. FeCO3 B. Fe2O3 C. Fe3O4 D. FeO Cu 39. Phn t MX3 c tng s ht p, n, e l bng 196 trong s ht mang in nhiu hn s ht khng mang in l 60. S ht mang in trong nguyn t M t hn s ht mang in trong nguyn t X l 8. Xc nh hp cht MX3 A. CrCl3 B. AlBr3 C. AlCl3 D. FeCl3 Cu 40. Khi t chy 0,1 mol hp cht thm X(C,H,O,khng tc dng NaOH) th thu c di 17,92 lit CO2(ktc), cn thc hin phn ng gng 0,1 mol X gii phng 21,6 gam Ag. Mt khc 1 mol X tc dng ht Na thot ra 1 gam H2. S ng phn cu to X ph hp l A. 4 B. 3 C. 5 D. 6 Cu 41. Khng nn i (l) qu nng qun o bng nilon; len; t tm, v: A. Len, t tm, t nilon mm mi B. Len, t tm, t nilon d chy C. Len, t tm, t nilon km bn vi nhit D. Len, t tm, t nilon c cc nhm (- CO - NH -) trong phn t km bn vi nhit Cu 42. Phn ng khng xy ra iu kin thng A. NO + O2 NO2 B. H2 + O2 H2O HgS D. Li + N2 Li3N C. Hg + S Cu 43. t chy 4,4 gam hn hp CH4,C2H4,C3H6,C4H10 cn a mol O2 thu c b mol CO2 v 7,2 gam H2O. Gi tr a, b ln lt l A. 0,5 v 0,3 B. 0,6 v 0,3 C. 0,5 v 0,8 D. 0,5 v 0,4 Cu 44. Nung 6,58 g Cu(NO3)2 trong bnh kn, sau mt thi gian thu c 4,96 gam cht rn v hn hp kh X. Hp th hon ton hn hp X vo nc c 300 ml dung dch Y. pH ca dung dch Y l: A. 4 B. 2 C. 1 D. 3 Cu 45. Cho cc hidrocacbon CH4, C2H2, C6H6, C2H4 khi t chy bng oxi cht cho ngn la sng nht A. CH4 B. C2H4 C. C6H6 D. C2H2 Cu 46. Cho cac chat kh sau: SO2, NO2, Cl2, CO2.Cac chat kh khi tac dung vi dung dch natri hiroxit ( nhiet o thng) luon tao ra 2 muoi la: A. NO2, SO2 B. Cl2, NO2 C. CO2, Cl2 D. SO2, CO2 Cu 47. Trong cc cp kim loi sau: (1) Mg, Fe (2) Fe, Cu (3) Fe, Ag; cp kim loi khi tc dng vi dung dch HNO3 c th to ra dung dch cha ti a 3 mui (khng k trng hp to NH4NO3) l: A. (1) v (2) v (3) B. (2) v (3) C. (1) D. (1) v (2) Cu 48. Cho 9,7 gam hn hp X gm Cu v Zn vo 0,5 lt dung dch FeCl3 0,5M. Phn ng kt thc thu c dung dch Y v 1,6 gam cht rn Z. Cho Z vo dung dch H2SO4 long khng thy kh bay ra. Dung dch Y phn ng va vi 200 ml dung dch KMnO4 aM trong H2SO4. Gi tr ca a l: A. 0,25 B. 0,2 C. 1,25 D. 0,125 Cu 49. Trong phng th nghim ngi ta thng iu ch clo bng cch: A. in phn dd NaCl, c mng ngn B. Cho F2 y Cl2 ra khi dd NaCl C. Cho dd HCl c TD vi MnO2, un nng D. in phn nng chy NaCl Cu 50. Este ha ht cc nhm hydroxyl c trong 8,1 gam xenluloz cn va x mol HNO3( c H2SO4 c xc tc hiu sut 100%). Gi tr x l A. 0,25 B. 0,1 C. 0,2 D. 0,15

. Het S 9Cu 1: tch Ag khi hn hp Ag, Cu, Fe cn dng dung dich no sau y: A. HCl d B. H2SO4 c, d C. FeCl3 d D. HNO3 d Cu 2: 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