Phan Dang on Thi Dai Hoc

B

TNG HP THI CAO NG - I HC

I. HIROCACBONCu 1 (C_07): Khi cho ankan X (trong phn t c phn trm khi lng cacbon bng 83,72%) tc dng vi kh Cl2 theo t l mol 1 : 1 (trong iu kin chiu sng) ch thu c hai dn xut monoclo ng phn ca nhau. Tn ca X l

A. 2-metylpropanB. butanC. 3-metylpentanD. 2,3-imetylbutan

Cu 2 (C_08): Cng thc n gin nht ca mt hirocacbon l CnH2n+1. Hirocacbon thuc dy ng ng ca

A. ankenB. ankinC. ankaienD. ankan

Cu 3 (C_09): Cho cc cht: xiclobutan, 2-metylpropen, but-1-en, cis-but-2-en, 2-metylbut-2-en. Dy gm cc cht sau khi phn ng vi H2 (d, xc tc Ni, t0), cho cng mt sn phm l:

A. xiclobutan, cis-but-2-en v but-1-en.B. but-1-en, 2-metylpropen v cis-but-2-en.

C. xiclobutan, 2-metylbut-2-en v but-1-en.D. 2-metylpropen, cis-but-2-en v xiclobutan.

Cu 4 (C_09): Cho cc cht: CH2=CH-CH=CH2; CH3-CH2-CH=C(CH3)2; CH3-CH=CH-CH=CH2; CH3-CH=CH2; CH3-CH=CH-COOH. S cht c ng phn hnh hc l

A. 4.B. 3.C. 2.D. 1.

Cu 5 (H_A_07): Mt hirocacbon X cng hp vi axit HCl theo t l mol 1:1 to sn phm c thnh phn khi lng clo l 45,223%. Cng thc phn t ca X l

A. C2H4 B. C3H4 C. C3H6

D. C4H8Cu 6 (H_A_07): Hirat ho 2 anken ch to thnh 2 ancol. Hai anken l

A. Eten v but-1-en B. propen v but-2-en C. Eten v but-2-en

D. 2-metylpropen v but-1-enCu 7 (H_B_07): Brom ho mt ankan ch thu c mt dn xut monobrom duy nht c t khi so vi hiro l 75,5. Tn ankan l

A. 3,3-imetylhexan B. 2,2-imetylpropanC. 2,2,3-trimetylpentan

D. isopentan

Cu 8 (H_A_08): Cho cc cht sau: CH2=CH-CH2-CH2-CH=CH2, CH2=CH-CH=CH-CH2-CH3,

CH2=CH-CH2-CH=CH2, CH3-C(CH3)=CH-CH3. S cht c ng phn hnh hc l

A. 2B. 3C. 1D. 4

Cu 9 (H_A_08): Khi crackinh ton b mt th tch ankan X thu c ba th tch hn hp Y (cc th tch o cng iu kin nhit v p sut); t khi ca Y so vi H2 bng 12. Cng thc phn t ca X l

A. C6H14B. C3H8C. C4H10D. C5H12Cu 10 (H_A_08): Cho iso-pentan tc dng vi Cl2 theo t l mol 1:1, s sn phm monoclo ti a thu c l

A. 2B. 3C. 5D. 4

Cu 11 (H_A_08): S ng phn hirocacbon thm ng vi cng thc phn t C8H10 l

A. 2B. 4C. 3D. 5

Cu 12 (H_B_08): Hirocacbon mch h X trong phn t ch cha lin kt ( v c hai nguyn t cacbon bc ba trong phn t. t chy hon ton 1 th tch X sinh ra 6 th tch CO2 ( cng iu kin nhit , p sut). Khi cho X tc dng vi Cl2 (theo t l mol 1: 1), s dn xut monoclo ti a sinh ra l

A. 3B. 4C. 2D. 5

Cu 13 (H_B_08): Ba hirocacbon X, Y, Z l ng ng k tip, khi lng phn t ca Z bng 2 ln khi lng phn t ca X. Cc cht X, Y, Z thuc dy ng ng

A. ankaienB. ankenC. ankinD. ankan

Cu 14 (H_A_09): Hirocacbon X khng lm mt mu dung dch brom nhit thng. Tn gi ca X l

A. xiclohexan.B. xiclopropan.C. stiren.D. etilen.

Cu 15 (H_B_09): Dy gm cc cht u c kh nng tham gia phn ng trng hp l:

A. stiren; clobenzen; isopren; but-1-en.B. 1,2-iclopropan; vinylaxetilen; vinylbenzen; toluen.

C. buta-1,3-ien; cumen; etilen; trans-but-2-en.D. 1,1,2,2-tetrafloeten; propilen; stiren; vinyl clorua.

Cu 16 (H_B_09): Cho hirocacbon X phn ng vi brom (trong dung dch) theo t l mol 1 : 1, thu c cht hu c Y (cha 74,08% Br v khi lng). Khi X phn ng vi HBr th thu c hai sn phm hu c khc nhau. Tn gi ca X l

A. but-2-en.B. propilen.C. xiclopropan.D. but-1-en.

Cu 17 (C_07): t chy hon ton mt th tch kh thin nhin gm: metan, etan, propan bng oxi khng kh (trong khng kh, oxi chim 20% th tch), thu c 7,84 lit kh CO2 ( ktc) v 9,9 gam nc. Th tch khng kh ( ktc) nh nht cn dng t chy hon ton lng kh thin nhin trn l

A. 84,0 litB. 70,0 litC. 78,4 litD. 56,0 lit

Cu 18 (C_08): t chy hon ton mt hirocacbon X thu c 0,11 mol CO2 v 0,132 mol H2O. Khi X tc dng vi kh Cl2 (theo t l mol 1 : 1) thu c mt sn phm hu c duy nht. Tn gi ca X l

A. 2-metylbutanB. 2-metylpropanC. 2,2-imetylpropanD. etan

Cu 19 (C_07): Dn V lit (ktc) hn hp X gm axetilen v hiro qua ng s ng bt Ni nung nng, thu c hn hp kh Y. Dn Y vo dung dch AgNO3 (hoc Ag2O) trong NH3 d thu c 12 gam kt ta. Kh i ra khi bnh phn ng va vi 16 gam Brom, cn li kh Z. t chy hon ton Z thu c 2,24 lit (ktc) kh CO2 v 4,5 gam nc. Gi tr ca V l

A. 5,60 B. 8,96 C. 11,2 D. 13,44

Cu 20 (C_08): t chy hon ton hn hp M gm mt ankan X v mt ankin Y, thu c s mol CO2 bng s mol H2O. Thnh phn phn trm s mol ca X, Y trong hn hp M ln lt l

A. 35% v 65%B. 75% v 25%C. 20% v 80%D. 50% v 50%

Cu 21 (C_08): t chy hon ton 20,0 ml hn hp X gm C3H6, CH4, CO (th tch CO gp hai ln th tch CH4), thu c 24,0 ml CO2 (cc th tch kh o cng iu kin nhit , p sut). T khi ca X so vi H2 l

A. 25,8B. 12,9C. 22,2D. 11,1

Cu 22 (C_09): Hn hp kh X gm H2 v C2H4 c t khi so vi He l 3,75. Dn X qua Ni nung nng, thu c hn hp kh Y c t khi so vi He l 5. Hiu sut ca phn ng hiro ho l

A. 20%.B. 25%.C. 50%.D. 40%.

Cu 23 (C_09): kh hon ton 200 ml dung dch KMnO4 0,2M to thnh cht rn mu nu en cn V lit kh C2H4 ( ktc). Gi tr ti thiu ca V l

A. 2,240.B. 2,688.C. 4,480.D. 1,344.

Cu 24 (C_09): Hn hp kh X gm 0,3 mol H2 v 0,1 mol vinylaxetilen. Nung X mt thi gian vi xc tc Ni thu c hn hp kh Y c t khi so vi khng kh l 1. Nu cho ton b Y sc t t vo dung dch Brom (d) th c m gam brom tham gia phn ng. Gi tr ca m l

A. 16,0.B. 3,2.C. 8,0.D. 32,0.

Cu 25 (H_A_07): Ba hirocacbon X, Y, Z k tip nhau trong dy ng ng, trong khi lng phn t Z gp i khi lng phn t X. t chy 0,1 mol Y, sn phm kh hp th hon ton vo dung dch Ca(OH)2 (d), thu c s gam kt ta l

A. 10 B. 20 C. 30

D. 40

Cu 26 (H_A_07): Cho 4,48 lit hn hp X (ktc) gm 2 hirocacbon mch h li t t qua bnh cha 1,4 lit dung dch Br2 0,5M. Sau khi phn ng xy ra hon ton, s mol Br2 gim mt na v khi lng bnh tng 6,7 gam. Cng thc phn t ca hai hirocacbon l

A. C2H2 v C4H6 B. C2H2 v C4H8 C. C2H2 v C3H8 D. C3H4 v C4H8

Cu 27 (H_A_07): Hn hp gm hirocacbon X v oxi c t l mol tng ng l 1:10. t chy hon ton hn hp trn thu c hn hp kh Y. Cho Y qua dung dch H2SO4 c, thu c hn hp Z c t khi i vi H2 bng 19. Cng thc phn t ca X l

A. C3H4B. C3H6C. C4H8D. C3H8Cu 28 (H_A_07): Clo ho PVC thu c 1 polime cha 63,96% clo v khi lng, trung bnh 1 phn t clo phn ng vi k mt xch trong mch PVC. Gi tr ca k l

A. 3 B. 4 C. 5

D. 6

Cu 29 (H_A_08): Hn hp X c t khi so vi H2 bng 21,2 gm propan, propen v propin. Khi t chy hon ton 0,1 mol X, tng khi lng CO2 v H2O thu c l

A. 20,40 gamB. 18,60 gamC. 18,96 gamD. 16,80 gam

Cu 30 (H_A_08): un nng hn hp kh gm 0,06 mol C2H2 v 0,04 mol H2 vi xc tc Ni, sau mt thi gian thu c hn hp kh Y. Dn ton b hn hp Y li t t qua bnh ng dung dch brom (d) th cn li 0,448 lit hn hp kh Z (o ktc) c t khi so vi O2 bng 0,5. Khi lng bnh ng dung dch brom tng l


Cu 31 (H_A_08): Cho s chuyn ho: CH4 C2H2 C2H3Cl PVC. tng hp 250 kg PVC theo s trn th cn V m3 kh thin nhin ( ktc). Gi tr ca V l (bit CH4 chim 80% th tch kh thin nhin v hiu sut ca ton b qu trnh l 50%)

A. 358,4B. 448,0C. 286,7D. 224,0

Cu 32 (H_B_08): Dn 1,68 lit hn hp kh X gm hai hirocacbon vo bnh ng nc brom (d). Sau khi phn ng xy ra hon ton, c 4 gam brom phn ng v cn li 1,12 lit kh. Nu t chy hon ton 1,68 lit X th sinh ra 2,8 lit kh CO2. Cng thc phn t ca hai hirocacbon l (bit cc th tch kh u o ktc)

A. CH4 v C3H6.B. CH4 v C3H4.C. CH4 v C2H4.D. C2H6 v C3H6.

Cu 33 (H_B_08): t chy hon ton 1 lit hn hp kh gm C2H2 v hirocacbon X sinh ra 2 lit CO2 v 2 lit hi H2O (cc th tch kh v hi o cng iu kin nhit , p sut). Cng thc phn t ca X l

A. C3H8.B. C2H6.C. CH4D. C2H4.

Cu 34 (H_A_09): Hn hp kh X gm anken M v ankin N c cng s nguyn t cacbon trong phn t. Hn hp X c khi lng 12,4 gam v th tch 6,72 lt ( ktc). S mol, cng thc phn t ca M v N ln lt l

A. 0,1 mol C2H4 v 0,2 mol C2H2.B. 0,2 mol C2H4 v 0,1 mol C2H2.

C. 0,1 mol C3H6 v 0,2 mol C3H4.D. 0,2 mol C3H6 v 0,1 mol C3H4.Cu 35 (H_B_09): Hn hp kh X gm H2 v mt anken c kh nng cng HBr cho sn phm hu c duy nht. T khi ca X so vi H2 bng 9,1. un nng X c xc tc Ni, sau khi phn ng xy ra hon ton, thu c hn hp kh Y khng lm mt mu nc brom; t khi ca Y so vi H2 bng 13. Cng thc cu to ca anken l

A. CH2=CH2.B. CH2=CH-CH2-CH3.C. CH2=C(CH3)2.D. CH3-CH=CH-CH3.Cu 36 (H_B_09): Cho hn hp X gm CH4, C2H4 v C2H2. Ly 8,6 gam X tc dng ht vi dung dch brom (d) th khi lng brom phn ng l 48 gam. Mt khc, nu cho 13,44 lt ( ktc) hn hp kh X tc dng vi lng d dung dch AgNO3 trong NH3, thu c 36 gam kt ta. Phn trm th tch ca CH4 c trong X l

A. 25%.B. 20%.C. 50%.D. 40%.

II. DN XUT HAOLGEN ANCOL PHENOL

Cu 1 (C_07): S ancol bc hai, no, n chc, mch h l ng phn cu to ca nhau m phn t ca chng c phn trm khi lng cacbon bng 68,18% l

A. 4B. 3C. 5D. 2

Cu 2 (C_07): Cho cc cht c cng thc cu to nh sau: HO-CH2-CH2-OH (X); HO-CH2-CH2-CH2-OH (Y); HO-CH2-CH(OH)-CH2-OH (Z); CH3-CH2-O-CH2-CH3 (R); CH3-CH(OH)-CH2-OH (T). Nhng cht tc dng vi Cu(OH)2 to phc mu xanh lam l

A. Z, R, TB. X, Y, R, TC. X, Y, Z, TD. X, Z, T

Cu 3 (C_07): Hp cht hu c X (phn t c vng benzen) c cng thc phn t C7H8O2 tc dng c vi Na v NaOH. Bit khi X tc dng vi Na, s mol H2 thu c bng s mol X phn ng, X tc dng vi NaOH theo t l mol 1:1. Cng thc cu to thu gn ca X l

A. C6H5CH(OH)2 B. HOC6H4CH2OH C. CH3C6H3(OH)2 D. CH3OC6H4OH

Cu 4 (C_08): Khi un nng hn hp ancol gm CH3OH v C2H5OH (xc tc H2SO4 c, 1400C) th s ete thu c ti a l

A. 1B. 3C. 4D. 2

Cu 5 (C_09): Trong thc t, phenol c dng sn xut

A. nha poli(vinyl clorua), nha novolac v cht dit c 2,4-D.

B. nha rezol, nha rezit v thuc tr su 666.

C. poli(phenol-fomanehit), cht dit c 2,4-D v axit picric.

D. nhc rezit, cht dit c 2,4-D v thuc n TNT.

Cu 6 (H_A_07): Khi tch nc t mt cht X c cng thc phn t C4H10O to thnh 3 anken l ng phn ca nhau (tnh c ng phn hnh hc). Cng thc cu to thu gn ca X l

A. CH3CH(CH3)CH2OHB. CH3CH(OH)CH2CH3C. CH3OCH2CH2CH3D. (CH3)3COH

Cu 7 (H_A_07): Cho s sau

C6H6 X Y Z .

Hai cht hu c Y, Z ln lt l

A. C6H6(OH)6, C6H6Cl6 B. C6H4(OH)2, C6H4Cl2 C. C6H5OH, C6H5Cl

D. C6H5ONa, C6H5OH

Cu 8 (H_B_07): S cht ng vi cng thc phn t C7H8O (dn xut ca benzen) u tc dng vi dung dch NaOH l

A. 1 B. 2 C. 3

D. 4

Cu 9 (H_B_07): Cc ng phn ng vi cng thc phn t C8H10O (u l dn xut ca benzen) c tnh cht: tch nc cho sn phm c th trng hp to polime, khng tc dng vi dung dch NaOH. S ng phn tho mn tnh cht trn l

A. 1 B. 2 C. 3

D. 4

Cu 10 (H_A_08): Khi phn tch thnh phn ca mt ancol n chc X th thu c kt qu: tng khi lng ca cacbon v hiro gp 3,625 ln khi lng oxi. S ng phn ancol ng vi cng thc phn t ca X l

A. 3B. 4C. 2D. 1

Cu 11 (H_A_08): Khi tch nc t ancol 3-metylbutan-2-ol, sn phm chnh thu c l

A. 3-metylbut-1-enB. 2-metylbut-2-enC. 3-metylbut-2-enD. 2-metylbut-3-en

Cu 12 (H_B_08): Cho cc phn ng:

HBr + C2H5OH (t0)

C2H4 + Br2

C2H4 + HBr

C2H6 + Br2 (askt, t l mol 1:1)

S phn ng to ra C2H5Br l

A. 1B. 4C. 3D. 2

Cu 13 (H_B_08): nh hng ca nhm OH n gc C6H5- trong phn t phenol th hin qua phn ng gia phenol vi

A. H2 (Ni, nung nng)B. nc Br2C. dung dch NaOHD. Na kim loi

Cu 14 (H_B_08): Cho s chuyn ho sau:

Toluen X Y Z .

Trong X, Y, Z u l hn hp ca cc cht hu c. Z c thnh phn chnh gm

A. benzyl bromua v o-bromtoluen

B. m-metylphenol v o-metylphenol

C. o-metylphenol v p-metylphenol

D. o-bromtoluen v p-bromtoluen

Cu 15 (H_A_09): Hp cht hu c X tc dng c vi dung dch NaOH v dung dch brom nhng khng tc dng vi dung dch NaHCO3. Tn gi ca X l

A. anilin.B. phenol.C. axit acrylic.D. metyl axetat.

Cu 16 (H_A_09): Mt hp cht X cha ba nguyn t C, H, O c t l khi lng mC : mH : mO = 21 : 2 : 4. Hp cht X c cng thc n gin nht trng vi cng thc phn t. S ng phn cu to thuc loi hp cht thm ng vi cng thc phn t ca X l

A. 3.B. 6.C. 4.D. 5.

Cu 17 (H_B_09): Cho cc hp cht sau:

(a) HOCH2-CH2OH.

(b) HOCH2-CH2-CH2OH.

(c) HOCH2-CH(OH)-CH2OH.(d) CH3-CH(OH)-CH2OH. (e) CH3-CH2OH.

(f) CH3-O-CH2CH3.

Cc cht u tc dng c vi Na, Cu(OH)2 l:

A. (c), (d), (e).B. (a), (c), (d).C. (c), (d), (f).D. (a), (b), (c).

Cu 18 (C_07): Khi thc hin phn ng tch nc i vi ancol X, ch thu c mt anken duy nht. t chy hon ton mt lng cht X ta thu c 5,6 lit kh CO2 ( ktc) v 5,4 gam nc. S ng phn cu to ph hp vi X l

A. 2B. 3C. 4D. 5

Cu 19 (C_07): t chy hon ton mt ancol X thu c CO2 v H2O c t l mol tng ng l 3 : 4. Th tch kh O2 cn dng t chy X bng 1,5 ln th tch CO2 thu c ( cng iu kin). Cng thc phn t ca X l

A. C3H8O2B. C3H8OC. C3H4OD. C3H8O3.

Cu 20 (C_08): t chy hon ton mt ancol a chc, mch h X, thu c H2O v CO2 c t l mol tng ng l 3 : 2. Cng thc phn t ca X l

A. C2H6O2.B. C2H6OC. C4H10O2.D. C3H8O2.

Cu 21 (C_08): t chy hon ton hn hp M gm hai ancol X v Y l ng ng k tip ca nhau, thu c 0,3 mol CO2 v 0,425 mol H2O. Mt khc, cho 0,25 mol hn hp M tc dng vi Na (d), thu c cha n 0,15 mol H2. Cng thc phn t ca X, Y l

A. C3H6O, C4H8OB. C2H6O, C3H8OC. C2H6O2, C3H8O2D. CH4O, C2H6O

Cu 22 (H_A_07): Cho 15,6 gam hn hp 2 ancol n chc, k tip nhau trong dy ng ng tc dng ht vi 9,2 gam Na, thu c 24,5 gam cht rn. Hai ancol l

A. C2H5OH v C3H7OHB. C3H5OH v C4H7OH

C. C3H7OH v C4H9OHD. CH3OH v C2H5OH

Cu 23 (H_B_07): X l mt ancol no, mch h. t hon ton 0,05 mol X cn 5,6 gam oxi, thu c hi nc v 6,6 gam CO2. Cng thc ca X l

A. C3H5(OH)3 B. C3H6(OH)2 C. C3H7OH

D. C2H4(OH)2 Cu 24 (H_B_07): Cho m gam 1 ancol no, n chc X qua bnh CuO d, un nng. Sau khi phn ng hon ton, khi lng cht rn trong bnh gim 0,32 gam. Hn hp hi thu c c t khi hi so vi H2 l 15,5. Gi tr ca m l

A. 0,64 B. 0,46 C. 0,32

D. 0,92

Cu 25 (H_B_07): Khi t 0,1 mol cht X (dn xut ca benzen), khi lng CO2 thu c nh hn 35,2g. Bit 1 mol X ch tc dng vi 1 mol NaOH. Cng thc cu to thu gn ca X l

A. HOCH2C6H4COOH B. C6H4(OH)2 C. HOC6H4CH2OH

D. C2H5C6H4OH

Cu 26 (H_B_08): un nng mt ancol n chc X vi H2SO4 c trong iu kin nhit thch hp sinh ra cht hu c Y, t khi hi ca X so vi Y bng 1,6428. Cng thc phn t ca X l

A. C4H8OB. C3H8OC. C2H6OD. CH4O

Cu 27 (H_B_08): un nng hn hp gm hai ancol n chc, mch h, k tip nhau trong dy ng ng vi H2SO4 c 1400C. Sau khi phn ng kt thc thu c 6 gam hn hp gm 3 ete v 1,8 gam nc. Cng thc phn t ca hai ancol trn l

A. CH3OH v C2H5OHB. C2H5OH v C3H7OHC. C3H5OH v C4H7OHD. C3H7OH v C4H9OH

Cu 28 (H_A_09): Cho hn hp X gm hai ancol a chc, mch h, thuc cng dy ng ng. t chy hon ton hn hp X, thu c CO2 v H2O c t l mol tng ng l 3 : 4. Hai ancol l

A. C3H5(OH)3 v C4H7(OH)3.B. C2H5OH v C4H9OH.

C. C2H4(OH)2 v C4H8(OH)2.D. C2H4(OH)2 v C3H6(OH)2.Cu 29 (H_A_09): Khi t chy hon ton m gam hn hp hai ancol no, n chc, mch h thu c V lt kh CO2 ( ktc) v a gam H2O. Biu thc lin h gia m, a v V l:

A. m = 2a - V/22,4 B. m = 2a - V/11,2 C. m = a + V/5,6 D. m = a - V/5,6

Cu 30 (H_A_09): un nng hn hp hai ancol n chc, mch h vi H2SO4 c, thu c hn hp gm cc ete. Ly 7,2 gam mt trong cc ete em t chy hon ton, thu c 8,96 lt kh CO2 ( ktc) v 7,2 gam H2O. Hai ancol l

A. C2H5OH v CH2=CH-CH2-OH.B. C2H5OH v CH3OH.

C. CH3OH v C3H7OH.

D. CH3OH v CH2=CH-CH2-OH.Cu 31 (H_A_09): t chy hon ton 0,2 mol mt ancol X no, mch h cn va 17,92 lt kh O2 ( ktc). Mt khc, nu cho 0,1 mol X tc dng va vi m gam Cu(OH)2 th to thnh dung dch c mu xanh lam. Gi tr ca m v tn gi ca X tng ng l

A. 9,8 v propan-1,2-iol.

B. 4,9 v propan-1,2-iol.

C. 4,9 v propan-1,3-iol.

D. 4,9 v glixerol.

Cu 32 (H_B_09): Cho X l hp cht thm; a mol X phn ng va ht vi a lt dung dch NaOH 1M. Mt khc, nu cho a mol X phn ng vi Na (d) th sau phn ng thu c 22,4a lt kh H2 ( ktc). Cng thc cu to thu gn ca X l

A. HO-CH2-C6H4-OH.B. HO-C6H4-COOH.C. CH3-C6H3(OH)2.D. HO-C6H4-COOCH3.III. ANEHIT AXIT CACBOXYLIC

Cu 1 (C_08): t chy hon ton mt anehit X thu c s mol CO2 bng s mol H2O. Nu cho X tc dng vi lng d dung dch AgNO3 trong NH3, un nng sinh ra s mol Ag gp bn ln s mol X phn ng. Cng thc ca X l

A. HCHOB. HOC-CHOC. CH3CHOD. C2H5CHO.

Cu 2 (C_08): Cho cc cht sau: CH3-CH2-CHO (1), CH2=CH-CHO (2), (CH3)2CH-CHO (3),

CH2=CH-CH2-OH (4). Nhng cht phn ng hon ton vi lng d H2 (Ni, t0) cng to ra mt sn phm l

A. (1), (2), (3)B. (1), (2), (4)C. (2), (3), (4)D. (1), (3), (4)

Cu 3 (C_09): Qu trnh no sau y khng to ra anehit axetic?

A. CH2=CH2 + H2O (t0, xc tc HgSO4)B. CH2=CH2 + O2 (t0, xc tc).

C. CH3COOCH=CH2 + dung dch NaOH (t0)D. CH3-CH2OH + CuO (t0)

Cu 4 (C_09): 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.

Cu 5 (H_A_07): Cho 0,1 mol anehit X tc dng vi lng d dung dch AgNO3 trong dung dch NH3 , un nng thu c 43,2 gam Ag. Hiro ho X thu c Y, bit 0,1 mol Y phn ng va vi 4,6 gam Na. Cng thc cu to thu gn ca X l

A. HCHO B. CH3CHO C. OHC-CHO

D. CH3CH(OH)CHO

Cu 6 (H_B_07): t chy hon ton a mol mt anehit X (mch h) to ra b mol CO2 v c mol H2O

(bit b = a + c). Trong phn ng trng gng, mt phn t X ch cho 2 electron. X thuc dy ng ng anehit

A. khng no c hai ni i, n chc.B. khng no c mt ni i, n chc

C. no, n chc

D. no, hai chc.

Cu 7 (H_A_08): un nng V lit hi anehit X vi 3V lit H2 (xc tc Ni) n khi phn ng xy ra hon ton ch thu c hn hp kh Y c th tch 2V lit (cc th tch o cng iu kin nhit , p sut). Ngng t Y thu c cht Z; cho Z phn ng vi Na (d) sinh ra H2 c s mol bng s mol Z phn ng. Cht X l anehit

A. khng no (cha mt ni i C=C), hai chcB. no, hai chc

C. no, n chc

D. khng no (cha mt ni i C=C), n chc

Cu 8 (H_B_08): Axit cacboxylic no, mch h X c cng thc thc nghim (C3H4O3)n, vy cng thc phn t ca X l

A. C6H8O6B. C9H12O9C. C12H16O12D. C3H4O3.

Cu 9 (H_A_09): Dy gm cc cht u iu ch trc tip (bng mt phn ng) to ra anehit axetic l:

A. CH3COOH, C2H2, C2H4.B. C2H5OH, C2H4, C2H2.

C. C2H5OH, C2H2, CH3COOC2H5.D. HCOOC2H3, C2H2, CH3COOH.Cu 10 (H_B_09): Khi cho a mol mt hp cht hu c X (cha C, H, O) phn ng hon ton vi Na hoc vi NaHCO3 th u sinh ra a mol kh. Cht X l

A. etylen glicol.

B. axit 3-hiroxipropanoic.

C. axit aipic.

D. ancol o-hiroxibenzylic.

Cu 11 (C_07): Cho 2,9 gam mt anehit X phn ng hon ton vi lng d dung dch AgNO3 trong NH3, ung nng, thu c 21,6 gam Ag. Cng thc cu to thu gn ca X l

A. OHC-CHOB. HCHOC. CH2=CHCHOD. CH3CHO

Cu 12 (C_07): Cho 5,76 gam axit hu c Y n chc, mch h tc dng ht vi CaCO3 thu c 7,28 gam mui ca axit hu c. Cng thc cu to thu gn ca X l

A. CH3COOHB. CH3-CH2-COOHC. CH2=CHCOOHD. CH2=CH-CH2COOH

Cu 13 (C_08): Cho hn hp gm 0,1 mol HCHO v 0,1 mol HCOOH tc dng vi lng d dung dch AgNO3 trong NH3, un nng. Sau phn ng xy ra hon ton, khi lng Ag to thnh l


Cu 14 (C_09): Oxi ho m gam etanol thu c hn hp X gm axetanehit, axit axetic, nc v etanol d. Cho ton b X tc dng vi dung dch NaHCO3 (d), thu c 0,56 lit kh CO2 ( ktc). Khi lng etanol b oxi ho to ra axit l

A. 1,15 gam.B. 4,60 gam.C. 2,30 gam.D. 5,75 gam.

Cu 15 (C_09): Trung ho 8,2 gam hn hp gm axit fomic v axit n chc X cn 100 ml dung dch NaOH 1,5M. Nu cho 8,2 gam hn hp trn tc dng vi lng d dung dch AgNO3 trong NH3, ung nng th thu c 21,6 gam Ag. Tn gi ca X l

A. axit acrylic.B. axit propanoic.C. axit etanoic.D. axit metacrylic.

Cu 16 (C_09): Cho 0,1 mol hn hp X gm hai anehit no, n chc, mch h, k tip nhau trong dy ng ng tc dng vi lng d dung dch AgNO3 trong NH3, un nng thu c 32,4 gam Ag. Hai anehit trong X l

A. HCHO v C2H5CHO.

B. HCHO v CH3CHO.

C. C2H3CHO v C3H5CHO.D. CH3CHO v C2H5CHO.

Cu 17 (H_A_07): t chy hon ton a mol axit hu c Y c 2a mol CO2. Mt khc, trung ho a mol Y cn va 2a mol NaOH. Cng thc cu to thu gn ca Y l

A. HOOC-CH2-CH2-COOH B. C2H5-COOH

C. HOOC-COOH

D. CH3-COOH

Cu 18 (H_A_07): Cho 6,6 gam mt anehit X n chc, mch h phn ng vi lng d AgNO3 (hoc Ag2O) trong dung dch NH3, un nng. Lng Ag sinh ra cho tc dng vi axit HNO3 long, thot ra 2,24 lit kh NO (sn phm kh duy nht, o ktc). Cng thc cu to thu gn ca X l

A. CH3CHOB. CH2=CHCHO

C. HCHO

D. CH3CH2CHO

Cu 19 (H_B_07): trung ho 6,72 gam mt axit cacboxylic Y (no, n chc) cn 200 gam dung dch NaOH 2,24%. Cng thc ca Y l

A. C3H7COOH B. C2H5COOH C. CH3COOH

D. HCOOH

Cu 20 (H_B_07): t chy hon ton 0,1 mol mt axit cacboxylic n chc, cn va V lt O2 (o ktc), thu c 0,3 mol CO2 v 0,2 mol H2O. Gi tr ca V l

A. 4,48 B. 6,72 C. 8,96

D. 11,2

Cu 21 (H_B_07): Oxi ho hon ton 2,2 gam mt anehit X n thu c 3 gam axit tng ng. Cng thc ca X l

A. C2H5CHO B. C2H3CHO C. CH3CHO

D. HCHO

Cu 22 (H_A_08): Cho 3,6 gam anehit n chc X tc dng hon ton vi mt lng d dung dch AgNO3 trong NH3 un nng, thu c m gam Ag. Ho tan hon ton m gam Ag bng dung dch HNO3 c, sinh ra 2,24 lit kh NO2 (sn phm kh duy nht, o ktc). Cng thc ca X l

A. C3H7CHOB. HCHOC. C4H9CHOD. C2H5CHO

Cu 23 (H_B_08): Cho 3,6 gam axit cacboxylic no, n chc X tc dng hon ton vi 500 ml dung dch gm KOH 0,12M v NaOH 0,12M. C cn dung dch thu c 8,28 gam hn hp cht rn. Cng thc phn t ca X l

A. C2H5COOHB. C3H7COOHC. HCOOHD. CH3COOH

Cu 24 (H_A_09): Cho hn hp kh X gm HCHO v H2 i qua ng s ng bt Ni nung nng. Sau khi phn ng xy ra hon ton, thu c hn hp kh Y gm hai cht hu c. t chy ht Y th thu c 11,7 gam H2O v 7,84 lt kh CO2 ( ktc). Phn trm theo th tch ca H2 trong X l

A. 46,15%.B. 35,00%.C. 53,85%.D. 65,00%.

Cu 25 (H_A_09): Cho 0,25 mol mt anehit mch h X phn ng vi lng d dung dch AgNO3 trong NH3, thu c 54 gam Ag. Mt khc, khi cho X phn ng vi H2 d (xc tc Ni, to) th 0,125 mol X phn ng ht vi 0,25 mol H2. Cht X c cng thc ng vi cng thc chung l

A. CnH2n(CHO)2 (n 0).B. CnH2n+1CHO (n 0).

C. CnH2n-1CHO (n 2).

D. CnH2n-3CHO (n 2).

Cu 26 (H_A_09): Cho hn hp X gm hai axit cacboxylic no, mch khng phn nhnh. t chy hon ton 0,3 mol hn hp X, thu c 11,2 lt kh CO2 ( ktc). Nu trung ha 0,3 mol X th cn dng 500 ml dung dch NaOH 1M. Hai axit l:

A. HCOOH, HOOC-COOH.B. HCOOH, HOOC-CH2-COOH.

C. HCOOH, C2H5COOH.

D. HCOOH, CH3COOH.Cu 27 (H_B_09): Hn hp X gm axit Y n chc v axit Z hai chc (Y, Z c cng s nguyn t cacbon). Chia X thnh hai phn bng nhau. Cho phn mt tc dng ht vi Na, sinh ra 4,48 lt kh H2 ( ktc). t chy hon ton phn hai, sinh ra 26,4 gam CO2. Cng thc cu to thu gn v phn trm v khi lng ca Z trong hn hp X ln lt l

A. HOOC-CH2-COOH v 54,88%.B. HOOC-COOH v 60,00%.

C. HOOC-COOH v 42,86%.D. HOOC-CH2-COOH v 70,87%.Cu 28 (H_B_09): t chy hon ton mt hp cht hu c X, thu c 0,351 gam H2O v 0,4368 lt kh CO2 ( ktc). Bit X c phn ng vi Cu(OH)2 trong mi trng kim khi un nng. Cht X l

A. C2H5CHO.B. O=CH-CH=O.C. CH2=CH-CH2-OH. D. CH3COCH3.Cu 29 (H_B_09): Hp cht hu c X tc dng c vi dung dch NaOH un nng v vi dung dch AgNO3 trong NH3. Th tch ca 3,7 gam hi cht X bng th tch ca 1,6 gam kh O2 (cng iu kin v nhit v p sut). Khi t chy hon ton 1 gam X th th tch kh CO2 thu c vt qu 0,7 lt ( ktc). Cng thc cu to ca X l

A. HOOC-CHO.B. CH3COOCH3.C. HCOOC2H5.D. O=CH-CH2-CH2OH.Cu 30 (H_B_09): Hiro ho hon ton m gam hn hp X gm hai anehit no, n chc, mch h, k tip nhau trong dy ng ng thu c (m + 1) gam hn hp hai ancol. Mt khc, khi t chy hon ton cng m gam X th cn va 17,92 lt kh O2 ( ktc). Gi tr ca m l

A. 8,8.B. 10,5.C. 24,8.D. 17,8.IV. ESTE LIPIT

Cu 1 (C_07): Polivinyl axetat l polime c iu ch bng phn ng trng hp

A. C2H5COOCH=CH2B. CH2=CHCOOC2H5.C. CH2=CHCOOCH3.D. CH3COOCH=CH2.

Cu 2 (C_07): Este X khng no, mch h c t khi so vi oxi bng 3,125. X phng ho X thu c mt anehit v mt mui ca axit hu c. S cng thc cu to ph hp vi X l

A. 4B. 2C. 3D. 5

Cu 3 (C_07): Cho hp cht X tc dng vi mt lng va dung dch NaOH, sau c cn dung dch thu c cht rn Y v cht hu c Z. Cho Z tc dng vi dung dch AgNO3 trong NH3 ung nng thu c cht hu c T. Cho T tc dng vi dung dch NaOH li thu c cht Y. Cht X c th l

A. CH3COOCH=CH2B. HCOOCH=CH2.C. HCOOCH3.D. CH3COOCH=CH-CH3.

Cu 4 (C_08): Cht hu c X c cng thc phn t C4H6O4 tc dng vi dung dch NaOH (un nng) theo phng trnh phn ng: C4H6O4 + 2NaOH 2Z + Y

oxi ho ht a mol Y th cn ht 2a mol CuO (un nng), sau phn ng to thnh a mol cht T (bit Y, Z, T l cc hp cht hu c). Khi lng phn t ca T l

A. 118 vCB. 44 vCC. 82 vCD. 58 vC

Cu 5 (C_09): S hp cht l ng phn cu to, c cng cng thc phn t C4H8O2, tc dng c vi dung dch NaOH nhng khng tc dng c vi Na l

A. 3.B. 2.C. 4D. 1.

Cu 6 (C_09): Pht biu no sau y sai?

A. Nhit si ca este thp hn hn ancol c cng phn t khi.

B. Trong cng nghip c th chuyn ho cht bo lng thnh cht bo rn.

C. S nguyn t hiro trong phn t este n v a chc lun l mt s chn.

D. Sn phm ca phn ng x phng ho cht bo l axit bo v glixerol.

Cu 7 (H_A_07): Mnh khng ng l

A. CH3CH2CH2COOCH=CH2 cng dy ng ng vi CH2=CHCOOCH3

B. CH3CH2CH2COOCH=CH2 tc dng vi dung dch NaOH to anehit v mui

C. CH3CH2CH2COOCH=CH2 tc dng c vi dung dch Br2

D. CH3CH2CH2COOCH=CH2 c th trng hp to polime

Cu 8 (H_B_07): Cho glixerol phn ng vi hn hp axit bo panmitic v stearic, s loi trieste to ra ti a l

A. 3 B. 4 C. 5

D. 6

Cu 9 (H_B_07): Thu phn este c cng thc C4H8O2 (xc tc axit), thu c 2 sn phm X v Y. T X c th iu ch trc tip ra Y. Vy X l

A. Ancol metylic B. Axit fomic C. etyl axetat

D. Ancol etylic

Cu 10 (H_A_08): S ng phn este c cng thc phn t C4H8O2 l

A. 5B. 2C. 4D. 6

Cu 11 (H_A_08): Pht biu ng l:

A. Phn ng gia axit v ancol khi c H2SO4 c l phn ng mt chiu.

B. Tt c cc este phn ng vi dung dch kim lun thu c sn phm cui cng l mui v ancol

C. Khi thu phn cht bo lun thu c C2H4(OH)2.

D. Phn ng thu phn este trong mi trng axit l phn ng thun nghch

Cu 12 (H_A_08): Cho glixerin trioleat (hay triolein) ln lt vo mi ng nghim cha ring bit: Na, Cu(OH)2, CH3OH, dung dch brom, dung dch NaOH. Trong iu kin thch hp, s phn ng xy ra l

A. 2B. 3C. 5D. 4

Cu 13 (H_A_08): Cho s chuyn ho sau:

C3H4O2 + NaOH X + Y

X + H2SO4 long Z + T

Bit Y v Z u c phn ng trng gng. Hai cht Y, Z l

A. HCHO, CH3CHOB. HCHO, HCOOHC. CH3CHO, HCOOHD. HCOONa, CH3CHO

Cu 14 (H_B_08): Khi t chy hon ton mt este no, n chc th s mol CO2 sinh ra bng s mol O2 phn ng. Tn gi ca este l

A. metyl fomat.B. metyl axetatC. n-propyl axetatD. etyl axetat

Cu 15 (H_A_09): X phng ho mt hp cht c cng thc phn t C10H14O6 trong dung dch NaOH (d), thu c glixerol v hn hp gm ba mui (khng c ng phn hnh hc). Cng thc ca ba mui l:

A. CH2=CH-COONa, CH3-CH2-COONa v HCOONa.

B. HCOONa, CHC-COONa v CH3-CH2-COONa.

C. CH2=CH-COONa, HCOONa v CHC-COONa.

D. CH3-COONa, HCOONa v CH3-CH=CH-COONa.

Cu 16 (C_07): un 12 gam axit axetic vi 13,8 gam etanol (c H2SO4 c lm xc tc) n khi phn ng t ti trng thi cn bng, thu c 11 gam este. Hiu sut ca phn ng este ho l

A. 50%B. 75%C. 55%D. 62,5%

Cu 17 (C_07): Khi t chy hon ton 4,4 gam cht hu c X n chc thu c sn phm chy ch gm 4,48 lit CO2 ( ktc) v 3,6 gam nc. Nu cho 4,4 gam X tc dng vi dung dch NaOH va n khi phn ng hon ton, thu c 4,8 gam mui ca axit hu c Y v cht hu c Z. Tn ca X l

A. isopropyl axetatB. etyl axetatC. metyl propionatD. etyl propionat

Cu 18 (C_08): ung nng 6,0 gam CH3COOH vi 6,0 gam C2H5OH (c H2SO4 lm xc tc, hiu sut phn ng este ho bng 50%). Khi lng este to thnh l


Cu 19 (C_08): X phng ho 22,2 gam hn hp gm hai este HCOOC2H5 v CH3COOCH3 bng dung dch NaOH 1M (un nng). Th tch dung dch NaOH ti thiu cn dng l

A. 300 mlB. 200 mlC. 150 mlD. 400 ml

Cu 20 (C_08): Este n chc X c t khi hi so vi CH4 bng 6,25. Cho 20 gam X tc dng vi 300 ml dung dch KOH 1M (un nng). C cn dung dch sau phn ng thu c 28 gam cht rn khan. Cng thc cu to thu gn ca X l

A. CH2=CH-COO-CH2-CH3.B. CH3-CH2-COO-CH=CH2.

C. CH3-COO-CH=CH-CH3.D. CH2=CH-CH2-COO-CH3.

Cu 21 (C_09): Cho 20 gam mt este X (c phn t khi l 100 vC) tc dng vi 300 ml dung dch NaOH 1M. Sau phn ng, c cn dung dch thu c 23,2 gam cht rn khan. Cng thc cu to ca X l

A. CH2=CHCH2COOCH3.B. CH3COOCH=CHCH3.

C. C2H5COOCH=CH2.

D. CH2=CHCOOC2H5.

Cu 22 (H_A_07): X phng ho 8,8 gam etyl axetat bng 200 ml dung dch NaOH 0,2M. Sau phn ng xy ra hon ton, c cn dung dch thu c cht rn khan c khi lng l

A. 3,28 gam B. 8,8 gam C. 8,56 gam

D. 10,4 gam

Cu 23 (H_A_07): Thu phn hon ton 444 gam mt lipit thu c 46 gam glixerol v 2 loi axit bo. Hai loi axit bo l

A. C17H33COOH v C17H35COOHB. C17H31COOH v C17H33COOH

C. C15H31COOH v C17H35COOHD. C17H33COOH v C15H31COOH

Cu 24 (H_B_07): Mt este no, n chc X c t khi hi so vi metan l 5,5. un 2,2 gam X vi dung dch NaOH d, thu c 2,05 gam mui. Cng thc cu to thu gn ca X l

A. HCOOCH2CH2CH3 B. HCOOCH(CH3)2 C. C2H5COOCH3

D. CH3COOC2H5

Cu 25 (H_B_07): Hai este n chc X v Y l ng phn ca nhau. Khi ho hi 1,85 gam X, thu c th tch hi ng bng th tch ca 0,7 gam N2 (o cng iu kin). Cng thc cu to thu gn ca X v Y l

A. C2H3COOC2H5 v C2H5COOC2H3 B. C2H5COOCH3 v HCOOCH(CH3)2

C. HCOOC2H5 v CH3COOCH3 D. HCOOCH2CH2CH3 v CH3COOC2H5

Cu 26 (H_B_08): Hp cht hu c no, a chc X c cng thc phn t C7H12O4. Cho 0,1 mol X tc dng va vi 100 gam dung dch NaOH 8% thu c cht hu c Y v 17,8 gam hn hp mui. Cng thc cu to thu gn ca X l

A. CH3COO-(CH2)2-COOC2H5.B. CH3OOC-(CH2)2-COOC2H5.

C. CH3COO-(CH2)2-OOCC2H5.D. CH3OOC-(CH2)2-COOC3H7.

Cu 27 (H_B_08): X phng ho hon ton 17,24 gam cht bo cn va 0,06 mol NaOH. C cn dung dch sau phn ng thu c khi lng x phng l


Cu 28 (H_A_09): X phng ho hon ton 1,99 gam hn hp hai este bng dung dch NaOH thu c 2,05 gam mui ca mt axit cacboxylic v 0,94 gam hn hp hai ancol l ng ng k tip nhau. Cng thc ca hai este l

A. CH3COOCH3 v CH3COOC2H5.B. C2H5COOCH3 v C2H5COOC2H5.

C. CH3COOC2H5 v CH3COOC3H7.D. HCOOCH3 v HCOOC2H5.

Cu 29 (H_A_09): X phng ha hon ton 66,6 gam hn hp hai este HCOOC2H5 v CH3COOCH3 bng dung dch NaOH, thu c hn hp X gm hai ancol. un nng hn hp X vi H2SO4 c 1400C, sau khi phn ng xy ra hon ton thu c m gam nc. Gi tr ca m l

A. 4,05.B. 8,10.C. 18,00.D. 16,20.

Cu 30 (H_B_09): Hn hp X gm hai este no, n chc, mch h. t chy hon ton mt lng X cn dng va 3,976 lt kh O2 ( ktc), thu c 6,38 gam CO2. Mt khc, X tc dng vi dung dch NaOH, thu c mt mui v hai ancol l ng ng k tip. Cng thc phn t ca hai este trong X l

A. C3H6O2 v C4H8O2.

B. C2H4O2 v C5H10O2.

C. C3H4O2 v C4H6O2.

D. C2H4O2 v C3H6O2.V. CACBOHIRAT

Cu 1 (H_A_07): chng minh trong phn t ca glucoz c nhiu nhm hiroxyl, ngi ta cho dung dch glucoz phn ng vi

A. Cu(OH)2 trong NaOH, un nng

B. Kim loi Na

C. Cu(OH)2 nhit thng

D. AgNO3 (hoc Ag2O) trong dung dch NH3, un nng

Cu 2 (H_B_07): Pht biu khng ng l

A. dung dch mantoz phn ng vi Cu(OH)2 khi un nng cho kt ta Cu2O

B. Sn phm thu phn xenluloz (xc tc axit, un nng) c th tham gia phn ng trng gng

C. thu phn (xc tc axit, un nng) sacaroz cng nh mantoz u cho cng mt monosacarit.

D. dung dch fructoz ho tan c Cu(OH)2

Cu 3 (C_08): Cho dy cc cht: glucoz, xenluloz, saccaroz, tinh bt, mantoz. S cht trong dy tham gia phn ng trng gng l

A. 4B. 5C. 2D. 3

Cu 4 (H_A_07): Cho m gam tinh bt ln men thnh ancol etylic vi hiu sut 81%. Ton b lng CO2 sinh ra c hp th hon ton vo dung dch Ca(OH)2, thu c 550 gam kt ta v dung dch X. un k dung dch X thu thm 100 gam kt ta. Gi tr ca m l

A. 550 B. 650 C. 750

D. 810

Cu 5 (C_07): Cho 50 ml dung dch glucoz cha r nng tc dng vi lng d dung dch AgNO3 trong NH3, un nng thu c 2,16 gam kt ta Ag. Nng mol/l ca dung dch glucoz dng l

A. 0,20MB. 0,01MC. 0,10MD. 0,02M

Cu 6 (H_B_07): Xenluloz trinitrat c iu ch t xenluloz v axit nitric c c xc tc axit sunfuric c, nng. c 29,7 kg Xenluloz trinitrat , cn dung dch cha m kg axit nitric (hiu sut phn ng t 90%). Gi tr m l

A. 30 B. 42 C. 21

D. 10

Cu 7 (H_A_08): Gluxit (cacbohirat) ch cha hai gc glucoz trong phn t l

A. saccarozB. tinh btC. mantozD. xenluloz

Cu 8 (H_A_08): Tinh bt, xenluloz, saccaroz v mantoz u c kh nng tham gia phn ng

A. ho tan Cu(OH)2B. trng ngngC. trng gngD. thu phn

Cu 9 (H_B_08): Khi lng ca tinh bt cn dng trong qu trnh ln men to thnh 5 lit ancol etylic 460 l (bit hiu sut ca c qu trnh l 72% v khi lng ring ca ancol etylic nguyn cht l 0,8 g/ml)

A. 5,0 kgB. 5,4 kgC. 6,0 kgD. 4,5 kg

Cu 10 (H_B_08): Th tch dung dch HNO3 67,5% (khi lng ring l 1,5 g/ml) cn dng tc dng vi xenluloz to thnh 89,1 kg xenluloz trinitrat l (bit lng HNO3 b hao ht l 20%)

A. 70 litB. 49 litC. 81 litD. 55 lit

Cu 11 (C_08): T 16,20 tn xenluloz ngi ta sn xut c m tn xenluloz trinitrat (bit hiu sut phn ng tnh theo xenluloz l 90%). Gi tr ca m l

A. 33,00B. 29,70C. 25,46D. 26,73

Cu 12 (C_09): Cho cc chuyn ho sau:

X + H2O Y

Y + H2 sobitol

Y + 2AgNO3 + 3NH3 + H2O amoni gluconat + 2Ag + NH4NO3.

Y E + Z

Z + H2O X + G.

X, Y v Z ln lt l

A. xenluloz, fructoz v kh cacbonic.B. tinh bt, glucoz v ancol etylic.

C. xenluloz, glucoz v kh cacbon oxit.D. tinh bt, glucoz v kh cacbonic.

Cu 13 (C_09): Th tch dung dch axit nitric 63% (D = 1,4 g/ml) cn va sn xut 59,4 kg xeluloz trinitrat (hiu sut 80%) l

A. 42,34 lit.B. 42,86 lit.C. 34,29 lit.D. 53,57 lit.

Cu 14 (H_A_09): Cacbohirat nht thit phi cha nhm chc ca

A. ancol.B. xeton.C. amin.D. anehit.

Cu 15 (H_B_09): Cho mt s tnh cht: c dng si (1); tan trong nc (2); tan trong nc Svayde (3); phn ng vi axit nitric c (xc tc axit sunfuric c) (4); tham gia phn ng trng bc (5); b thu phn trong dung dch axit un nng (6). Cc tnh cht ca xenluloz l:

A. (2), (3), (4) v (5).B. (1), (3), (4) v (6).C. (3), (4), (5) v (6).D. (1), (2), (3) v (4).Cu 16 (H_B_09): Pht biu no sau y l ng?

A. Amilopectin c cu trc mch phn nhnh.

B. Glucoz b kh bi dung dch AgNO3 trong NH3.

C. Xenluloz c cu trc mch phn nhnh.

D. Saccaroz lm mt mu nc brom.

VI. AMIN AMINO AXIT - PROTEIN

Cu 1 (C_08): Cho dy cc cht: C6H5OH (phenol), C6H5NH2 (anilin), H2NCH2COOH, CH3CH2COOH, CH3CH2CH2NH2. S cht trong dy tc dng c vi dung dch HCl l

A. 5B. 2C. 3D. 4

Cu 2 (C_09): S ng phn cu to ca amin bc mt c cng cng thc phn t C4H11N l

A. 4.B. 2.C. 5.D. 3

Cu 3 (C_09): Cht X c cng thc phn t C3H7O2N v lm mt mu dung dch Brom. Tn gi ca X l

A. metyl aminoaxetat.

B. axit -aminopropionic.

C. axit -aminopropionic.

D. amoni acrylat.

Cu 4 (C_09): Cht X c cng thc phn t C4H9O2N. Bit:

X + NaOH Y + CH4O

Y + HCl (d) Z + NaCl

Cng thc cu to ca X v Z ln lt l

A. H2NCH2CH2COOCH3 v CH3CH(NH3Cl)COOH.

B. CH3CH(NH2)COOCH3 v CH3CH(NH3Cl)COOH.

C. CH3CH(NH2)COOCH3 v CH3CH(NH2)COOH.

D. H2NCH2COOC2H5 v ClH3NCH2COOH.

Cu 5 (H_B_07): Mt trong nhng im khc nhau ca protit so vi lipit v glucoz l

A. Protit lun l cht hp cht no B. Protit lun cha chc hiroxyl

C. Protit c khi lng phn t ln hn D. Protit lun cha nit

Cu 6 (H_B_07): Dy cc cht lm qu tm m thnh xanh l

A. anilin, metyl amin, amoniac B. Amoni clorua, metyl amin, natri hiroxit

C. anilin, amoniac, natri hiroxit D. Metyl amin, amoniac, natri axetat

Cu 7 (H_B_07): Cho cc loi hp cht: aminoaxit (X), mui amoni ca axit cacboxylic (Y), amin (Z), este ca aminoaxit (T). Dy gm cc loi hp cht u tc dng vi dung dch NaOH v u tc dng vi dung dch HCl l

A. X, Y, Z, T B. X, Y, T C. X, Y, Z

D. Y, Z, T

Cu 8 (H_A_08): Pht biu khng ng l:

A. Trong dung dch H2N-CH2-COOH cn tn ti dng ion lng cc H3N+-CH2-COO-.

B. Aminoaxit l hp cht hu c tp chc, phn t cha ng thi nhm amino v nhm cacboxyl

C. Aminoaxit l nhng cht rn, kt tinh, tan tt trong nc v c v ngt

D. Hp cht H2N-CH2-COOH3N-CH3 l este ca glyxin (hay glixin)

Cu 9 (H_A_08): Cho cc dung dch ring bit sau: C6H5-NH3Cl (phenylamoni clorua),

ClH3N-CH2-COOH, H2N-CH2-CH2-CH(NH2)-COOH, HOOC-CH2-CH2-CH(NH2)-COOH,

H2N-CH2-COONa. S lng cc dung dch c pH < 7 l

A. 2B. 5C. 4D. 3

Cu 10 (H_B_08): Cht phn ng vi dung dch FeCl3 cho kt ta l

A. CH3OHB. CH3NH2C. CH3COOCH3D. CH3COOH

Cu 11 (H_B_08): un nng cht H2N-CH2-CONH-CH(CH3)-CONH-CH2-COOH trong dung dch HCl (d), sau khi phn ng kt thc thu c sn phm l

A. H3N+-CH2-COOHCl-, H3N+-CH(CH3)-COOHCl-.

B. H3N+-CH2-COOHCl-, H3N+-CH2-CH2-COOHCl-.

C. H2N-CH2-COOH, H2N-CH(CH3)-COOH.

D. H2N-CH2-COOH, H2N-CH2-CH2-COOH.

Cu 12 (H_B_08): Hp cht hu c X c cng thc phn t C2H8O3N2 tc dng vi dung dch NaOH, thu c cht hu c n chc Y v cc cht v c. Khi lng phn t (theo vC) ca Y l

A. 85B. 45C. 68D. 46

Cu 13 (H_A_09): Thuc th c dng phn bit Gly-Ala-Gly vi Gly-Ala l

A. dung dch NaOH.

B. dung dch NaCl

C. Cu(OH)2 trong mi trng kim.D. dung dch HCl.

Cu 14 (H_B_09): Cho hai hp cht hu c X, Y c cng cng thc phn t l C3H7NO2. Khi phn ng vi dung dch NaOH, X to ra H2NCH2COONa v cht hu c Z; cn Y to ra CH2=CHCOONa v kh T. Cc cht Z v T ln lt l

A. C2H5OH v N2.

B. CH3NH2 v NH3.

C. CH3OH v NH3.

D. CH3OH v CH3NH2.Cu 15 (H_B_09): S ipeptit ti a c th to ra t mt hn hp gm alanin v glyxin l

A. 2.B. 3.C. 4.D. 1.Cu 16 (C_07): trung ho 25 gam dung dch ca mt amin n chc X nng 12,4% cn dng 100 ml dung dch HCl 1M. Cng thc phn t ca X l

A. CH5NB. C2H7NC. C3H7ND. C3H5N

Cu 17 (C_07): Hp cht X c cng thc phn t trng vi cng thc n gin nht, va tc dng c vi axit va tc dng c vi kim trong iu kin thch hp. Trong phn t ca X, thnh phn phn trm khi lng cc nguyn t C, H, N ln lt bng 40,449%; 7,865%; 15,73%; cn li l oxi. Khi cho 4,45 gam X phn ng hon ton vi mt lng va dung dch NaOH (un nng) thu c 4,85 gam mui khan. Cng thc cu to thu gn ca X l

A. H2NCOOCH2CH3.

B. H2NCH2COOCH3.

C. H2NCH2CH2COOH

D. CH2=CHCOONH4.

Cu 18 (C_08): Cho 5,9 gam amin n chc X tc dng va vi dung dch HCl, sau khi phn ng xy ra hon ton thu c dung dch Y. Lm bay hi dung dch Y c 9,55 gam mui khan. S cng thc cu to ng vi cng thc phn t ca X l

A. 5B. 2C. 3D. 4

Cu 19 (C_08): Trong phn t aminoaxit X c mt nhm amino v mt nhm caboxyl. Cho 15,0 gam X tc dng va vi dung dch NaOH, c cn dung dch sau phn ng thu c 19,4 gam mui khan. Cng thc ca X l

A. H2NC4H8COOHB. H2NC3H6COOHC. H2NC2H4COOHD. H2NCH2COOH.

Cu 10 (C_09): Thu phn 1250 gam protein X thu c 425 gam alanin. Nu phn t khi ca X bng 100.000 vC th s mt xch alanin c trong phn t ca X l

A. 453.B. 382.C. 328.D. 479.

Cu 21 (H_A_07): t chy hon ton mt amin n chc X, thu c 8,4 lit kh CO2, 1,4 lit N2 (cc th tch kh o ktc) v 10,125 gam nc. Cng thc phn t ca X l

A. C3H7N B. C2H7N C. C3H9N

D. C4H9N

Cu 22 (H_A_07): (-aminoaxit X cha mt nhm NH2. Cho 10,3 gam X tc dng vi axit HCl (d), thu c 13,95 gam mui khan. Cng thc cu to thu gn ca X l

A. H2NCH2CH2COOH

B. CH3CH2CH(NH2)COOH

C. CH3CH(NH2)COOH

D. H2NCH2COOH

Cu 23 (H_A_07): t chy hon ton mt lng cht hu c X thu c 3,36 lit kh CO2, 0,56 lit kh N2 (cc th tch kh o ktc) v 3,15 gam nc. Khi X tc dng vi dung dch NaOH thu c sn phm c mui

H2N-CH2-COONa. Cng thc cu to thu gn ca X l

A. H2N-CH2-COO-C3H7

B. H2N-CH2-COO-C2H5

C. H2N-CH2-CH2-COOH

D. H2N-CH2-COO-CH3

Cu 24 (H_A_07): Cho hn hp X gm hai cht hu c c cng cng thc phn t C2H7NO2 tc dng va vi dung dch NaOH v un nng, thu c dung dch Y v 4,48 lit hn hp Z (ktc) gm hai kh u lm xanh qu tm m. T khi ca Z i vi Hiro bng 13,75. C cn dung dch Y c khi lng hn hp mui khan l

A. 8,9 gamB. 14,3 gamC. 16,5 gam

D. 15,7 gam

Cu 25 (H_B_08): Cho 8,9 gam mt hp cht hu c X c cng thc phn t C3H7O2N phn ng vi 100 ml dung dch NaOH 1,5M. Sau khi phn ng xy ra hon ton, c cn dung dch thu c 11,7 gam cht rn. Cng thc cu to thu gn ca X l

A. H2NCH2CH2COOHB. H2NCH2COOCH3.C. CH2=CHCOONH4.D. HCOOH3NCH=CH2.

Cu 26 (H_A_09): Cho 1 mol amino axit X phn ng vi dung dch HCl (d), thu c m1 gam mui Y. Cng 1 mol amino axit X phn ng vi dung dch NaOH (d), thu c m2 gam mui Z. Bit m2 m1 = 7,5. Cng thc phn t ca X l

A. C5H9O4N.B. C4H10O2N2.C. C5H11O2N.D. C4H8O4N2.Cu 27 (H_A_09): Cho 10 gam amin n chc X phn ng hon ton vi HCl (d), thu c 15 gam mui. S ng phn cu to ca X l

A. 4.B. 8.C. 5.D. 7.

Cu 28 (H_A_09): 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. 10,8.B. 9,4.C. 8,2.D. 9,6.

Cu 29 (H_B_09): Cho 0,02 mol amino axit X tc dng va vi 200 ml dung dch HCl 0,1M thu c 3,67 gam mui khan. Mt khc 0,02 mol X tc dng va vi 40 gam dung dch NaOH 4%. Cng thc ca X l

A. (H2N)2C3H5COOH. B. H2NC2H3(COOH)2.C. H2NC3H5(COOH)2. D. H2NC3H6COOH.

Cu 30 (H_B_09): Este X (c khi lng phn t bng 103 vC) c iu ch t mt ancol n chc (c t khi hi so vi oxi ln hn 1) v mt amino axit. Cho 25,75 gam X phn ng ht vi 300 ml dung dch NaOH 1M, thu c dung dch Y. C cn Y thu c m gam cht rn. Gi tr m l

A. 29,75.B. 27,75.C. 24,25.D. 26,25.

VII. VT LIU POLIME

Cu 1 (C_07): Polime dng iu ch thu tinh hu c (plexiglas) c iu ch bng phn ng trng hp

A. CH2=CHCOOCH3

B. C6H5CH=CH2

C. CH2=C(CH3)COOCH3.D. CH3COOCH=CH2.

Cu 2 (C_07): Trong cc loi t sau: t tm; t visco; t nilon-6,6; t axetat; t capron; t enang. Nhng loi t thuc t nhn to l

A. t visco v t axetat

B. t visco v t nilon-6,6

C. t nilon-6,6 v t capronD. t tm v t enang

Cu 3 (C_08): T nilon 6,6 c iu ch bng phn ng trng ngng

A. H2N-(CH2)5-COOH

B. HOOC-(CH2)2-CH(NH2)-COOH

C. HOOC-(CH2)4-COOH v HO-(CH2)2-OH

D. HOOC-(CH2)4-COOH v H2N-(CH2)6-NH2.

Cu 4 (C_09): Th tch dung dch axit nitric 63% (D = 1,4 g/ml) cn va sn xut 59,4 kg xeluloz trinitrat (hiu sut 80%) l

A. 42,34 lit.B. 42,86 lit.C. 34,29 lit.D. 53,57 lit.

Cu 5 (H_A_07): Nilon-6,6 l 1 loi

A. t axetat B. t poliamit

C. polieste

D. t visco

Cu 6 (H_B_07): Dy gm cc cht dng tng hp cao su Buna-S l

A. CH2=C(CH3)-CH=CH2, C6H5-CH=CH2 B. CH2=CH-CH=CH2, C6H5-CH=CH2

C. CH2=CH-CH=CH2, CH3-CH=CH2 D. CH2=CH-CH=CH2, lu hunh

Cu 7 (H_A_08): Khi lng ca mt on mch nilon-6,6 l 27346 vC v mt on mch t capron l 17176 vC. S lng mt xch trong on mch nilon-6,6 v capron nu trn ln lt l

A. 113 v 152B. 121 v 114C. 121 v 152D. 113 v 114

Cu 8 (H_B_08): Polime c cu trc mng khng gian (mng li) l

A. PEB. amilopectinC. PVCD. nha bakelit

Cu 9 (H_A_09): Poli(metyl metacrylat) v nilon-6 c to thnh t cc monome tng ng l

A. CH2=CH-COOCH3 v H2N-[CH2]6-COOH.

B. CH2=C(CH3)-COOCH3 v H2N-[CH2]6-COOH.

C. CH3-COO-CH=CH2 v H2N-[CH2]5-COOH.

D. CH2=C(CH3)-COOCH3 v H2N-[CH2]5-COOH.Cu 10 (H_B_09): Pht biu no sau y l ng?

A. Poli(etylen terephtalat) c iu ch bng phn ng trng ngng cc monome tng ng.

B. Trng ngng buta-1,3-ien vi acrilonitrin c xc tc Na c cao su buna-N.

C. Trng hp stiren thu c poli(phenol-fomanehit).

D. T visco l t tng hp.VIII. TNG HP HU C

Cu 1 (C_08): Hai cht hu c X1 v X2 u c khi lng phn t bng 60 vC. X1 c kh nng phn ng vi Na, NaOH, Na2CO3. X2 phn ng vi NaOH (un nng) nhng khng phn ng vi Na. Cng thc cu to ca X1, X2 ln lt l

A. CH3COOH v HCOOCH3.B. (CH3)2CH-OH v HCOOCH3.

C. CH3COOH v CH3COOCH3.D. HCOOCH3 v CH3COOH.

Cu 2 (C_08): Cho dy cc cht: phenol, anilin, phenylamoni clorua, natri phenolat, etanol. S cht trong dy phn ng c vi dung dch NaOH l

A. 4B. 3C. 1D. 2

Cu 3 (C_08): Cho dy cc cht: HCHO, CH3COOH, CH3COOC2H5, HCOOH, C2H5OH, HCOOCH3. S cht trong dy c th tham gia phn ng trng gng l

A. 2B. 5C. 4D. 3

Cu 4 (C_08): Cho s chuyn ho sau (mi mi tn l mt phng trnh phn ng):

Tinh bt X Y Z metyl axetat

Cht Y, Z trong s trn ln lt l

A. CH3COOH, CH3OH

B. C2H4, CH3COOH

C. C2H5OH, CH3COOHD. CH3COOH, C2H5OH

Cu 5 (C_08): Cho dy cc cht: C6H5OH (phenol), C6H5NH2 (anilin), H2NCH2COOH, CH3CH2COOH, CH3CH2CH2NH2. S cht trong dy tc dng c vi dung dch HCl l

A. 5B. 2C. 3D. 4

Cu 6 (H_B_08): Cho dy cc cht: CH4, C2H2, C2H4, C2H5OH, CH2=CHCOOH, C6H5NH2 (anilin), C6H5OH (phenol), C6H6 (benzen). S cht trong dy tc dng c vi nc brom l

A. 7B. 5C. 8D. 6

Cu 7 (H_B_08): Cho dy cc cht: C2H2, HCHO, HCOOH, CH3CHO, (CH3)2CO, C12H22O11 (mantoz). S cht trong dy tham gia c phn ng trng gng l

A. 6B. 3C. 5D. 4

Cu 8 (H_B_08): Cho cc cht: ancol etylic, glixerol, glucoz, imetyl ete, v axit fomic. S cht tc dng c vi Cu(OH)2 l

A. 2B. 1C. 3D. 4

Cu 9 (H_A_08): Dy gm cc cht c sp xp theo chiu nhit si tng dn t tri sang phi l:

A. CH3CHO, C2H5OH, C2H6, CH3COOHB. CH3COOH, C2H6, CH3CHO, C2H5OH

C. C2H6, C2H5OH, CH3CHO, CH3COOHD. C2H6, CH3CHO, C2H5OH, CH3COOH

Cu 10 (H_A_07): Pht biu khng ng l:

A. axit axetic phn ng vi dd NaOH, ly mui va sinh ra cho tc dng vi kh CO2 li thu c axit axetic

B. phenol phn ng vi dd NaOH, ly mui va to ra tc dng vi dung dch HCl li thu c phenol

C. anilin phn ng vi dd HCl, ly mui va to ra cho tc dng vi dung dch NaOH li thu c anilin

D. Dung dch natri phenolat phn ng vi kh CO2, ly kt ta va to ra cho tc dng vi dung dch NaOH li thu c natri phenolat

Cu 11 (H_A_07): Dy gm cc cht u tc dng vi dung dch AgNO3/NH3 l:

A. anehit axetic, but-1-in, etilen B. anehit axetic, axetilen, but-2-in

C. axit fomic, vinylaxetilen, propin D. anehit fomic, axetilen, etilen

Cu 12 (H_B_07): Cho tt c cc ng phn n chc, mch h, c cng cng thc phn t C2H4O2 ln lt tc dng vi Na, NaOH, NaHCO3. S phn ng xy ra l

A. 2 B. 3 C. 4

D. 5

Cu 13 (C_07): Cho s chuyn ho: glucoz X Y CH3COOH. Hai cht X, Y ln lt l

A. CH3CH2OH v CH3CHOB. CH3CH2OH v CH2=CH2

C. CH3CH(OH)COOH v CH3CHOD. CH3CHO v CH3CH2OH

Cu 14 (H_B_07): Cho cc cht axit propionic (X), axit axetic (Y), ancol etylic (Z), imetyl ete (T). Dy cc cht xp theo chiu tng dn nhit si l

A. T, X, Y, Z B. T, Z, Y, X C. Z, T, Y X

D. Y, T, X, Z

Cu 15 (H_A_08): Pht biu ng l:

A. Tnh axit ca phenol yu hn ca ancol

B. Cao su thin nhin l sn phm trng hp ca isopren.

C. Cc cht etilen, toluen v stiren u tham gia phn ng trng hp

D. Tnh baz ca anilin mnh hn amoniac.

Cu 16 (C_07): Cho cc cht: phenol, etanol, axit axetic, natri phenolat, natri hiroxit. S cp cht tc dng c vi nhau l

A. 2B. 3C. 1D. 4

Cu 17 (H_B_07): Cho cc cht: etyl axetat, anilin, ancol etylic, axit acrylic, phenol, phenylamoni clorua, ancol benzylic, p-crezol.Trong cc cht ny, s cht tc dng c vi dung dch NaOH l

A. 3 B. 4 C. 5

D. 6

Cu 18 (C_07): S hp cht hu c n chc, l ng phn cu to ca nhau c cng cng thc phn t C4H8O2 u tc dng c vi dung dch NaOH l

A. 5B. 3C. 4D. 6

Cu 19 (H_B_07): Cho 3 cht lng benzen, stiren, anilin, ng trong 3 l ring bit mt nhn. Thuc th phn bit ba cht lng trn l

A. dd phenolphtalein B. giy qu tm C. nc brom

D. dung dch NaOH

Cu 20 (C_07): Ch dng Cu(OH)2 c th phn bit c cc dung dch ring bit sau:

A. Saccaroz, glixerin (glixerol), anehit axetic, ru etylic

B. glucoz, mantoz, glixerin (glixerol), anehit axetic

C. glucoz, lng trng trng, glixerin (glixerol), ru etylic

D. lng trng trng, glucoz, fructoz, glixerin (glixerol).

Cu 21 (H_A_08): Este X c c im sau:

- t chy hon ton X to thnh CO2 v H2O c s mol bng nhau.

- Thu phn X trong mi trung axit c cht Y (tham gia phn ng trng gng) v cht Z (c s nguyn t cacbon bng mt na s nguyn t cacbon trong X).

Pht biu khng ng l:

A. t chy hon ton 1 mol X sinh ra sn phm gm 2 mol CO2 v 2 mol H2O.

B. Cht Y tan v hn trong nc.

C. Cht X thuc loi este no, n chc.

D. un Z vi H2SO4 c 1700C thu c anken.

Cu 22 (H_A_08): Trung ho 5,48 gam hn hp gm axit axetic, phenol v axit benzoic, cn dng 600 ml dung dch NaOH 0,1M. C cn dung dch sau phn ng, thu c hn hp cht rn c khi lng l


Cu 23 (H_B_08): Oxi ho 1,2 gam CH3OH bng CuO nung nng, sau mt thi gian thu c hn hp sn phm X (gm HCHO, H2O v CH3OH d). Cho ton b X tc dng vi lng d dung dch AgNO3 trong NH3 un nng, c 12,96 gam Ag. Hiu sut ca phn ng oxi ho CH3OH l

A. 80,0%B. 65,5%C. 70,4%D. 76,6%

Cu 24 (H_A_07): Hn hp X gm axit HCOOH v axit CH3COOH (t l mol 1 : 1). Ly 5,3 gam hn hp X tc dng vi 5,75 gam C2H5OH (c xc tc H2SO4 c), thu c m gam hn hp este (hiu sut cc phn ng este ho u t 80%). Gi tr ca m l

A. 6,48 B. 8,10 C. 10,12

D.16,20

Cu 25 (H_B_07): Trong 1 bnh kn cha hi cht hu c X (c dng CnH2nO2) mch h v O2 ( s mol O2 gp i s mol cn cho phn ng chy) 139,9oC, p sut trong bnh l 0,8 atm. t chy hon ton X sau a v nhit ban u, p sut trong bnh lc ny l 0,95 atm. X c cng thc phn t l

A. C2H4O2 B. C3H6O2 C. C4H8O2

D. CH2O2Cu 26 (C_07): Cho hn hp 2 anken ng ng k tip nhau tc dng hon ton vi nc (xc tc H2SO4, un nng) thu c hn hp Z gm hai ancol X v Y. t chy hon ton 1,06 gam hn hp Z sau hp th ton b sn phm chy vo 2 lit dung dch NaOH 0,1M thu c dung dch T trong nng ca NaOH bng 0,05M. Th tch dung dch thay i khng ng k. Cng thc cu to thu gn ca X v Y l

A. C2H5OH v C3H7OH

B. C3H7OH v C4H9OH

C. C4H9OH v C5H11OH

D. C2H5OH v C4H9OH

Cu 27 (H_A_08): 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 rn Z v hn hp hi Y (c t khi so vi H2 bng 13,75). Cho ton b Y phn ng vi lng d dung dch AgNO3 trong NH3 un nng, sinh ra 64,8 gam Ag. Gi tr ca m l

A. 7,8 B. 8,8C. 7,4D. 9,2

Cu 28 (C_08): Mt hn hp X gm hai cht hu c n chc. Cho X phn ng va vi 500 ml dung dch KOH 1M. Sau phn ng thu c hn hp Y gm hai mui ca hai axit cacboxylic v mt ancol. Cho ton b lng ancol thu c trn tc dng vi Na (d), sinh ra 3,36 lit kh H2 ( ktc). Hn hp X gm

A. mt este v mt ancol

B. mt axit v mt este

C. mt axit v mt ancol

D. hai este

Cu 29 (C_09): Cho cc cht HCl (X); C2H5OH (Y); CH3COOH (Z); C6H5OH (phenol) (T). Dy gm cc cht c sp xp theo tnh axit tng dn (t tri sang phi) l:

A. (T), (Y), (X), (Z).B. (X), (Z), (T), (Y).C. (Y), (T), (Z), (X).D. (Y), (T), (X), (Z).

Cu 30 (C_09): Cho m gam hn hp gm hai cht hu c n chc, mch h tc dng va vi dung dch c cha 11,2 gam KOH, thu c mui ca mt axit cacboxylic v mt ancol X. Cho ton b X tc dng ht vi Na thu c 3,36 lit kh H2 ( ktc). Hai cht hu c l

A. mt este v mt axit.

B. hai axit.

C. hai este.

D. mt este v mt ancol.

Cu 31 (H_A_09): C ba dung dch: amoni hirocacbonat, natri aluminat, natri phenolat v ba cht lng: ancol etylic, benzen, anilin ng trong su ng nghim ring bit. Nu ch dng mt thuc th duy nht l dung dch HCl th nhn bit c ti a bao nhiu ng nghim?

A. 5.B. 6.C. 3.D. 4.

Cu 32 (H_A_09): Cho cc hp cht hu c: C2H2; C2H4; CH2O; CH2O2 (mch h); C3H4O2 (mch h, n chc). Bit C3H4O2 khng lm chuyn mu qu tm m. S cht tc dng c vi dung dch AgNO3 trong NH3 to ra kt ta l

A. 3.B. 4.C. 5.D. 2.

Cu 33 (H_B_09): Cho hn hp X gm hai hp cht hu c no, n chc tc dng va vi 100 ml dung dch KOH 0,4M, thu c mt mui v 336 ml hi mt ancol ( ktc). Nu t chy hon ton lng hn hp X trn, sau hp th ht sn phm chy vo bnh ng dung dch Ca(OH)2 (d) th khi lng bnh tng 6,82 gam. Cng thc ca hai hp cht hu c trong X l

A. HCOOH v HCOOC2H5.B. HCOOH v HCOOC3H7.

C. C2H5COOH v C2H5COOCH3.D. CH3COOH v CH3COOC2H5.Cu 34 (H_B_09): Cho cc hp cht hu c:

(1) ankan;(2) ancol no, n chc, mch h;

(3) xicloankan;(4) ete no, n chc, mch h;

(5) anken;(6) ancol khng no (c mt lin kt i C=C), mch h;

(7) ankin;(8) anehit no, n chc, mch h;

(9) axit no, n chc, mch h;(10) axit khng no (c mt lin kt i C=C), n chc.

Dy gm cc cht khi t chy hon ton u cho s mol CO2 bng s mol H2O l:

A. (1), (3), (5), (6), (8).

B. (2), (3), (5), (7), (9).

C. (3), (4), (6), (7), (10).

D. (3), (5), (6), (8), (9).

Cu 35 (H_B_09): Hai hp cht hu c X v Y l ng ng k tip, u tc dng vi Na v c phn ng trng bc. Bit phn trm khi lng oxi trong X, Y ln lt l 53,33% v 43,24%. Cng thc cu to ca X v Y tng ng l

A. HCOOCH3 v HCOOCH2CH3.

B. HOCH2CHO v HOCH2CH2CHO.

C. HOCH2CH2CHO v HOCH2CH2CH2CHO.

D. HOCH(CH3)CHO v HOOCCH2CHO.Cu 36 (H_B_09): Dy gm cc cht c sp xp theo chiu tng dn nhit si t tri sang phi l:

A. CH3CHO, C2H5OH, HCOOH, CH3COOH.B. CH3COOH, C2H5OH, HCOOH, CH3CHO.

C. HCOOH, CH3COOH, C2H5OH, CH3CHO.D. CH3COOH, HCOOH, C2H5OH, CH3CHO.

Cu 37 (H_B_09): t chy hon ton 1 mol hp cht hu c X, thu c 4 mol CO2. Cht X tc dng c vi Na, tham gia phn ng trng bc v phn ng cng Br2 theo t l mol 1 : 1. Cng thc cu to ca X l

A. HO-CH2-CH2-CH=CH-CHO.B. HO-CH2-CH=CH-CHO.

C. HOOC-CH=CH-COOH.D. HO-CH2-CH2-CH2-CHO.+Cl2 (t l 1:1)

Fe,to

+NaOH c d

to , p

+ axit HCl

+Br2 (t l 1:1)

Fe,to

+NaOH c d

to , p

+ axit HCl d

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