Đáp án đề thi đại học môn hóa khối B năm 2009

B GIO DC V O TO CHNH THC ( thi cú 06 trang) THI TUYN SINH I HC NM 2009 Mụn: HO HC; Khi: B Thi gian lm bi: 90 phỳt, khụng k thi gian phỏt Mó thi 148 H, tờn thớ sinh: S bỏo danh: Cho bit lng nguyờn t (theo vC) ca cỏc nguyờn t: H = 1; C = 12; N = 14; O = 16; F = 19; Na = 23; Mg = 24; Al = 27; P =31; S = 32; Cl = 35,5; K = 39; Ca = 40; Mn = 55; Fe = 56; Cu = 64; Zn = 65; Br = 80; Ag = 108; I = 127; Ba = 137; Au = 197 I PHN CHUNG CHO TT C TH SINH (40 cõu, t cõu n cõu 40) Cõu 1: Khi cho a mol mt hp cht hu c X (cha C, H, O) phn ng hon ton vi Na hoc vi NaHCO3 thỡ u sinh a mol khớ Cht X l A etylen glicol B axit aipic C ancol o-hiroxibenzylic D axit 3-hiroxipropanoic Cõu 2: in phõn cú mng ngn 500 ml dung dch cha hn hp gm CuCl2 0,1M v NaCl 0,5M (in cc tr, hiu sut in phõn 100%) vi cng dũng in 5A 3860 giõy Dung dch thu c sau in phõn cú kh nng ho tan m gam Al Giỏ tr ln nht ca m l A 4,05 B 2,70 C 1,35 D 5,40 Cõu 3: Cho cỏc nguyờn t: K (Z = 19), N (Z = 7), Si (Z = 14), Mg (Z = 12) Dóy gm cỏc nguyờn t c sp xp theo chiu gim dn bỏn kớnh nguyờn t t trỏi sang phi l: A N, Si, Mg, K B K, Mg, Si, N C K, Mg, N, Si D Mg, K, Si, N Cõu 4: Ho tan m gam hn hp gm Al, Fe vo dung dch H2SO4 loóng (d) Sau cỏc phn ng xy hon ton, thu c dung dch X Cho dung dch Ba(OH)2 (d) vo dung dch X, thu c kt ta Y Nung Y khụng khớ n lng khụng i, thu c cht rn Z l A hn hp gm BaSO4 v FeO B hn hp gm Al2O3 v Fe2O3 C hn hp gm BaSO4 v Fe2O3 D Fe2O3 Cõu 5: Cho 2,24 gam bt st vo 200 ml dung dch cha hn hp gm AgNO3 0,1M v Cu(NO3)2 0,5M Sau cỏc phn ng xy hon ton, thu c dung dch X v m gam cht rn Y Giỏ tr ca m l A 2,80 B 2,16 C 4,08 D 0,64 Cõu 6: Trn 100 ml dung dch hn hp gm H2SO4 0,05M v HCl 0,1M vi 100 ml dung dch hn hp gm NaOH 0,2M v Ba(OH)2 0,1M, thu c dung dch X Dung dch X cú pH l A 13,0 B 1,2 C 1,0 D 12,8 Cõu 7: Khi nhit phõn hon ton 100 gam mi cht sau: KClO3 (xỳc tỏc MnO2), KMnO4, KNO3 v AgNO3 Cht to lng O2 ln nht l A KClO3 B KMnO4 C KNO3 D AgNO3 Cõu 8: Cho cht xỳc tỏc MnO2 vo 100 ml dung dch H2O2, sau 60 giõy thu c 33,6 ml khớ O2 ( ktc) Tc trung bỡnh ca phn ng (tớnh theo H2O2) 60 giõy trờn l A 5, 0.104 mol/(l.s) B 5, 0.10 mol/(l.s) C 1, 0.103 mol/(l.s) D 2,5.10 mol/(l.s) Cõu 9: in phõn núng chy Al2O3 vi anot than chỡ (hiu sut in phõn 100%) thu c m kg Al catot v 67,2 m3 ( ktc) hn hp khớ X cú t so vi hiro bng 16 Ly 2,24 lớt ( ktc) hn hp khớ X sc vo dung dch nc vụi (d) thu c gam kt ta Giỏ tr ca m l A 108,0 B 75,6 C 54,0 D 67,5 Cõu 10: Hn hp X gm hai este no, n chc, mch h t chỏy hon ton mt lng X cn dựng va 3,976 lớt khớ O2 ( ktc), thu c 6,38 gam CO2 Mt khỏc, X tỏc dng vi dung dch NaOH, thu c mt mui v hai ancol l ng ng k tip Cụng thc phõn t ca hai este X l A C2H4O2 v C5H10O2 B C2H4O2 v C3H6O2 C C3H4O2 v C4H6O2 D C3H6O2 v C4H8O2 Trang 1/6 - Mó thi 148 Cõu 11: Khi nhit phõn hon ton tng mui X, Y thỡ u to s mol khớ nh hn s mol mui tng ng t mt lng nh tinh th Y trờn ốn khớ khụng mu, thy ngn la cú mu vng Hai mui X, Y ln lt l: A KMnO4, NaNO3 B Cu(NO3)2, NaNO3 C CaCO3, NaNO3 D NaNO3, KNO3 Cõu 12: Cú cỏc thớ nghim sau: (I) Nhỳng st vo dung dch H2SO4 loóng, ngui (II) Sc khớ SO2 vo nc brom (III) Sc khớ CO2 vo nc Gia-ven (IV) Nhỳng lỏ nhụm vo dung dch H2SO4 c, ngui S thớ nghim xy phn ng hoỏ hc l A B C D Cõu 13: Cho hn hp X gm hai hp cht hu c no, n chc tỏc dng va vi 100 ml dung dch KOH 0,4M, thu c mt mui v 336 ml hi mt ancol ( ktc) Nu t chỏy hon ton lng hn hp X trờn, sau ú hp th ht sn phm chỏy vo bỡnh ng dung dch Ca(OH)2 (d) thỡ lng bỡnh tng 6,82 gam Cụng thc ca hai hp cht hu c X l A CH3COOH v CH3COOC2H5 B C2H5COOH v C2H5COOCH3 D HCOOH v HCOOC3H7 C HCOOH v HCOOC2H5 Cõu 14: Cho 0,02 mol amino axit X tỏc dng va vi 200 ml dung dch HCl 0,1M thu c 3,67 gam mui khan Mt khỏc 0,02 mol X tỏc dng va vi 40 gam dung dch NaOH 4% Cụng thc ca X l A H2NC2H3(COOH)2 B H2NC3H5(COOH)2 C (H2N)2C3H5COOH D H2NC3H6COOH Cõu 15: Cho hai hp cht hu c X, Y cú cựng cụng thc phõn t l C3H7NO2 Khi phn ng vi dung dch NaOH, X to H2NCH2COONa v cht hu c Z; cũn Y to CH2=CHCOONa v khớ T Cỏc cht Z v T ln lt l A CH3OH v NH3 B CH3OH v CH3NH2 C CH3NH2 v NH3 D C2H5OH v N2 Cõu 16: Cho cỏc phn ng sau: (a) 4HCl + PbO2 PbCl2 + Cl2 + 2H2O (b) HCl + NH4HCO3 NH4Cl + CO2 + H2O (c) 2HCl + 2HNO3 2NO2 + Cl2 + 2H2O (d) 2HCl + Zn ZnCl2 + H2 S phn ng ú HCl th hin tớnh kh l A B C D Cõu 17: Hp cht hu c X tỏc dng c vi dung dch NaOH un núng v vi dung dch AgNO3 NH3 Th tớch ca 3,7 gam hi cht X bng th tớch ca 1,6 gam khớ O2 (cựng iu kin v nhit v ỏp sut) Khi t chỏy hon ton gam X thỡ th tớch khớ CO2 thu c vt quỏ 0,7 lớt ( ktc) Cụng thc cu to ca X l A O=CH-CH2-CH2OH B HOOC-CHO C CH3COOCH3 D HCOOC2H5 Cõu 18: S ipeptit ti a cú th to t mt hn hp gm alanin v glyxin l A B C D Cõu 19: Hn hp khớ X gm H2 v mt anken cú kh nng cng HBr cho sn phm hu c nht T ca X so vi H2 bng 9,1 un núng X cú xỳc tỏc Ni, sau phn ng xy hon ton, thu c hn hp khớ Y khụng lm mt mu nc brom; t ca Y so vi H2 bng 13 Cụng thc cu to ca anken l A CH2=C(CH3)2 B CH2=CH2 D CH3-CH=CH-CH3 C CH2=CH-CH2-CH3 Cõu 20: Nung núng m gam hn hp gm Al v Fe3O4 iu kin khụng cú khụng khớ Sau phn ng xy hon ton, thu c hn hp rn X Cho X tỏc dng vi dung dch NaOH (d) thu c dung dch Y, cht rn Z v 3,36 lớt khớ H2 ( ktc) Sc khớ CO2 (d) vo dung dch Y, thu c 39 gam kt ta Giỏ tr ca m l Trang 2/6 - Mó thi 148 A 45,6 B 48,3 C 36,7 D 57,0 Cõu 21: Ho tan hon ton 2,9 gam hn hp gm kim loi M v oxit ca nú vo nc, thu c 500 ml dung dch cha mt cht tan cú nng 0,04M v 0,224 lớt khớ H2 ( ktc) Kim loi M l A Na B Ca C Ba D K Cõu 22: Cho cỏc 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 khụng no (cú mt liờn kt ụi C=C), mch h; (7) ankin; (8) anehit no, n chc, mch h; (9) axit no, n chc, mch h; (10) axit khụng no (cú mt liờn kt ụi C=C), n chc Dóy gm cỏc cht t chỏy hon ton u cho s mol CO2 bng s mol H2O l: A (1), (3), (5), (6), (8) B (3), (4), (6), (7), (10) C (3), (5), (6), (8), (9) D (2), (3), (5), (7), (9) Cõu 23: Dóy gm cỏc cht u cú kh nng tham gia phn ng trựng 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 Cõu 24: Cho dung dch cha 6,03 gam hn hp gm hai mui NaX v NaY (X, Y l hai nguyờn t cú t nhiờn, hai chu kỡ liờn tip thuc nhúm VIIA, s hiu nguyờn t ZX < ZY) vo dung dch AgNO3 (d), thu c 8,61 gam kt ta Phn trm lng ca NaX hn hp ban u l A 58,2% B 41,8% C 52,8% D 47,2% Cõu 25: Cho 61,2 gam hn hp X gm Cu v Fe3O4 tỏc dng vi dung dch HNO3 loóng, un núng v khuy u Sau cỏc phn ng xy hon ton, thu c 3,36 lớt khớ NO (sn phm kh nht, ktc), dung dch Y v cũn li 2,4 gam kim loi Cụ cn dung dch Y, thu c m gam mui khan Giỏ tr ca m l A 151,5 B 137,1 C 97,5 D 108,9 Cõu 26: Thc hin cỏc thớ nghim sau: (I) Cho dung dch NaCl vo dung dch KOH (II) Cho dung dch Na2CO3 vo dung dch Ca(OH)2 (III) in phõn dung dch NaCl vi in cc tr, cú mng ngn (IV) Cho Cu(OH)2 vo dung dch NaNO3 (V) Sc khớ NH3 vo dung dch Na2CO3 (VI) Cho dung dch Na2SO4 vo dung dch Ba(OH)2 Cỏc thớ nghim u iu ch c NaOH l: A II, III v VI B I, II v III C I, IV v V D II, V v VI Cõu 27: t chỏy hon ton mt hp cht hu c X, thu c 0,351 gam H2O v 0,4368 lớt khớ CO2 ( ktc) Bit X cú phn ng vi Cu(OH)2 mụi trng kim un núng Cht X l A O=CH-CH=O B CH2=CH-CH2-OH C CH3COCH3 D C2H5CHO Cõu 28: Cho cỏc phn ng húa hc sau: (1) (NH4)2SO4 + BaCl2 (2) CuSO4 + Ba(NO3)2 (3) Na2SO4 + BaCl2 (4) H2SO4 + BaSO3 (5) (NH4)2SO4 + Ba(OH)2 (6) Fe2(SO4)3 + Ba(NO3)2 Cỏc phn ng u cú cựng mt phng trỡnh ion rỳt gn l: A (1), (2), (3), (6) B (1), (3), (5), (6) C (2), (3), (4), (6) D (3), (4), (5), (6) Cõu 29: Cho X l hp cht thm; a mol X phn ng va ht vi a lớt dung dch NaOH 1M Mt khỏc, nu cho a mol X phn ng vi Na (d) thỡ sau phn ng thu c 22,4a lớt khớ H2 ( ktc) Cụng thc cu to thu gn ca X l B CH3-C6H3(OH)2 A HO-C6H4-COOCH3 C HO-CH2-C6H4-OH D HO-C6H4-COOH Trang 3/6 - Mó thi 148 Cõu 30: Cho m gam bt Fe vo 800 ml dung dch hn hp gm Cu(NO3)2 0,2M v H2SO4 0,25M Sau cỏc phn ng xy hon ton, thu c 0,6m gam hn hp bt kim loi v V lớt khớ NO (sn phm kh nht, ktc) Giỏ tr ca m v V ln lt l A 10,8 v 4,48 B 10,8 v 2,24 C 17,8 v 2,24 D 17,8 v 4,48 Cõu 31: Cho mt s tớnh cht: cú dng si (1); tan nc (2); tan nc Svayde (3); phn ng vi axit nitric c (xỳc tỏc axit sunfuric c) (4); tham gia phn ng bc (5); b thu phõn dung dch axit un núng (6) Cỏc tớnh cht ca xenluloz l: A (2), (3), (4) v (5) B (3), (4), (5) v (6) C (1), (2), (3) v (4) D (1), (3), (4) v (6) Cõu 32: Dóy gm cỏc cht c sp xp theo chiu tng dn nhit sụi t trỏi sang phi l: A CH3COOH, C2H5OH, HCOOH, CH3CHO B CH3CHO, C2H5OH, HCOOH, CH3COOH C CH3COOH, HCOOH, C2H5OH, CH3CHO D HCOOH, CH3COOH, C2H5OH, CH3CHO Cõu 33: Phỏt biu no sau õy l ỳng? A Photpho trng cú cu trỳc tinh th nguyờn t B th rn, NaCl tn ti di dng tinh th phõn t C Nc ỏ thuc loi tinh th phõn t D Kim cng cú cu trỳc tinh th phõn t Cõu 34: Hũa tan hon ton 20,88 gam mt oxit st bng dung dch H2SO4 c, núng thu c dung dch X v 3,248 lớt khớ SO2 (sn phm kh nht, ktc) Cụ cn dung dch X, thu c m gam mui sunfat khan Giỏ tr ca m l A 52,2 B 54,0 C 58,0 D 48,4 Cõu 35: Cho hn hp X gm CH4, C2H4 v C2H2 Ly 8,6 gam X tỏc dng ht vi dung dch brom (d) thỡ lng brom phn ng l 48 gam Mt khỏc, nu cho 13,44 lớt ( ktc) hn hp khớ X tỏc dng vi lng d dung dch AgNO3 NH3, thu c 36 gam kt ta Phn trm th tớch ca CH4 cú X l A 20% B 50% C 25% D 40% Cõu 36: Hn hp X gm axit Y n chc v axit Z hai chc (Y, Z cú cựng s nguyờn t cacbon) Chia X thnh hai phn bng Cho phn mt tỏc dng ht vi Na, sinh 4,48 lớt khớ H2 ( ktc) t chỏy hon ton phn hai, sinh 26,4 gam CO2 Cụng thc cu to thu gn v phn trm v lng ca Z hn hp X ln lt l A HOOC-CH2-COOH v 70,87% B HOOC-CH2-COOH v 54,88% C HOOC-COOH v 60,00% D HOOC-COOH v 42,86% Cõu 37: Phỏt biu no sau õy l ỳng? A T visco l t tng hp B Trựng ngng buta-1,3-ien vi acrilonitrin cú xỳc tỏc Na c cao su buna-N C Trựng hp stiren thu c poli(phenol-fomanehit) D Poli(etylen terephtalat) c iu ch bng phn ng trựng ngng cỏc monome tng ng Cõu 38: Cho cỏc 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 Cỏc cht u tỏc dng c vi Na, Cu(OH)2 l: A (a), (b), (c) B (c), (d), (f) C (a), (c), (d) D (c), (d), (e) Cõu 39: Hai hp cht hu c X v Y l ng ng k tip, u tỏc dng vi Na v cú phn ng bc Bit phn trm lng oxi X, Y ln lt l 53,33% v 43,24% Cụng thc cu to ca X v Y tng ng l A HOCH2CHO v HOCH2CH2CHO B HOCH2CH2CHO v HOCH2CH2CH2CHO C HOCH(CH3)CHO v HOOCCH2CHO D HCOOCH3 v HCOOCH2CH3 Cõu 40: Thớ nghim no sau õy cú kt ta sau phn ng? A Cho dung dch NaOH n d vo dung dch Cr(NO3)3 B Cho dung dch NH3 n d vo dung dch AlCl3 Trang 4/6 - Mó thi 148 C Cho dung dch HCl n d vo dung dch NaAlO2 (hoc Na[Al(OH)4]) D Thi CO2 n d vo dung dch Ca(OH)2 _ II PHN RIấNG [10 cõu] Thớ sinh ch c chn lm mt hai phn (phn A hoc B) A Theo chng trỡnh Chun (10 cõu, t cõu 41 n cõu 50) Cõu 41: Este X (cú lng phõn t bng 103 vC) c iu ch t mt ancol n chc (cú t 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 Cụ cn Y thu c m gam cht rn Giỏ tr m l A 27,75 B 24,25 C 26,25 D 29,75 Cõu 42: Hiro hoỏ hon ton m gam hn hp X gm hai anehit no, n chc, mch h, k tip dóy ng ng thu c (m + 1) gam hn hp hai ancol Mt khỏc, t chỏy hon ton cng m gam X thỡ cn va 17,92 lớt khớ O2 ( ktc) Giỏ tr ca m l A 17,8 B 24,8 C 10,5 D 8,8 Cõu 43: Cho hirocacbon X phn ng vi brom (trong dung dch) theo t l mol : 1, thu c cht hu c Y (cha 74,08% Br v lng) Khi X phn ng vi HBr thỡ thu c hai sn phm hu c khỏc Tờn gi ca X l A but-1-en B xiclopropan C but-2-en D propilen Cõu 44: Phỏt biu no sau õy l ỳng? A Saccaroz lm mt mu nc brom B Xenluloz cú cu trỳc mch phõn nhỏnh C Amilopectin cú cu trỳc mch phõn nhỏnh D Glucoz b kh bi dung dch AgNO3 NH3 Cõu 45: Nhỳng mt st nng 100 gam vo 100 ml dung dch hn hp gm Cu(NO3)2 0,2M v AgNO3 0,2M Sau mt thi gian ly kim loi ra, sch lm khụ cõn c 101,72 gam (gi thit cỏc kim loi to thnh u bỏm ht vo st) Khi lng st ó phn ng l A 1,40 gam B 2,16 gam C 0,84 gam D 1,72 gam Cõu 46: ng dng no sau õy khụng phi ca ozon? A Ty trng tinh bt, du n B Cha sõu rng C iu ch oxi phũng thớ nghim D Sỏt trựng nc sinh hot Cõu 47: Cho s chuyn hoỏ gia cỏc hp cht ca crom: + (Cl2 + KOH) + H2SO4 + (FeSO4 + H2 SO4 ) + KOH X Cr(OH)3 Y Z T Cỏc cht X, Y, Z, T theo th t l: A K2CrO4; KCrO2; K2Cr2O7; Cr2(SO4)3 B KCrO2; K2Cr2O7; K2CrO4; Cr2(SO4)3 D KCrO2; K2CrO4; K2Cr2O7; Cr2(SO4)3 C KCrO2; K2Cr2O7; K2CrO4; CrSO4 Cõu 48: t chỏy hon ton mol hp cht hu c X, thu c mol CO2 Cht X tỏc dng c vi Na, tham gia phn ng bc v phn ng cng Br2 theo t l mol : Cụng thc cu to ca X l A HO-CH2-CH2-CH=CH-CHO B HOOC-CH=CH-COOH C HO-CH2-CH=CH-CHO D HO-CH2-CH2-CH2-CHO Cõu 49: Cho 100 ml dung dch KOH 1,5M vo 200 ml dung dch H3PO4 0,5M, thu c dung dch X Cụ cn dung dch X, thu c hn hp gm cỏc cht l A KH2PO4 v K3PO4 B KH2PO4 v K2HPO4 C KH2PO4 v H3PO4 D K3PO4 v KOH Cõu 50: Ho tan hon ton 24,4 gam hn hp gm FeCl2 v NaCl (cú t l s mol tng ng l : 2) vo mt lng nc (d), thu c dung dch X Cho dung dch AgNO3 (d) vo dung dch X, sau phn ng xy hon ton sinh m gam cht rn Giỏ tr ca m l A 57,4 B 28,7 C 10,8 D 68,2 Trang 5/6 - Mó thi 148 B Theo chng trỡnh Nõng cao (10 cõu, t cõu 51 n cõu 60) Cõu 51: Hn hp X gm hai ancol no, n chc, mch h, k tip dóy ng ng Oxi hoỏ hon ton 0,2 mol hn hp X cú lng m gam bng CuO nhit thớch hp, thu c hn hp sn phm hu c Y Cho Y tỏc dng vi mt lng d dung dch AgNO3 NH3, thu c 54 gam Ag Giỏ tr ca m l A 15,3 B 13,5 C 8,1 D 8,5 Cõu 52: Cho 0,04 mol mt hn hp X gm CH2=CH-COOH, CH3COOH v CH2=CH-CHO phn ng va vi dung dch cha 6,4 gam brom Mt khỏc, trung ho 0,04 mol X cn dựng va 40 ml dung dch NaOH 0,75 M Khi lng ca CH2=CH-COOH X l A 0,56 gam B 1,44 gam C 0,72 gam D 2,88 gam Cõu 53: Phỏt biu no sau õy khụng ỳng? A Glucoz tỏc dng c vi nc brom B Khi glucoz dng vũng thỡ tt c cỏc nhúm OH u to ete vi CH3OH C Glucoz tn ti dng mch h v dng mch vũng D dng mch h, glucoz cú nhúm OH k Cõu 54: Cho cỏc th in cc chun: E oAl3+ /Al = 1, 66V; E oZn 2+ /Zn = 0, 76V; E oPb2+ /Pb = 0,13V; ` E oCu 2+ /Cu = +0,34V Trong cỏc pin sau õy, pin no cú sut in ng chun ln nht? A Pin Zn Cu B Pin Zn Pb C Pin Al Zn D Pin Pb Cu Cõu 55: Khi ho tan hon ton 0,02 mol Au bng nc cng toan thỡ s mol HCl phn ng v s mol NO (sn phm kh nht) to thnh ln lt l A 0,03 v 0,02 B 0,06 v 0,01 C 0,03 v 0,01 D 0,06 v 0,02 Cõu 56: Ngi ta iu ch anilin bng s sau: + HNO3 đặc Fe + HCl Benzen Anilin H SO đặc Nitrobenzen to Bit hiu sut giai on to thnh nitrobenzen t 60% v hiu sut giai on to thnh anilin t 50% Khi lng anilin thu c iu ch t 156 gam benzen l A 186,0 gam B 55,8 gam C 93,0 gam D 111,6 gam Cõu 57: Phõn bún no sau õy lm tng chua ca t? A KCl B NH4NO3 C NaNO3 D K2CO3 Cõu 58: Cho dung dch X cha hn hp gm CH3COOH 0,1M v CH3COONa 0,1M Bit 25 oC, Ka ca CH3COOH l 1,75.10-5 v b qua s phõn li ca nc Giỏ tr pH ca dung dch X 25 oC l A 1,00 B 4,24 C 2,88 D 4,76 Cõu 59: Hũa tan hon ton 1,23 gam hn hp X gm Cu v Al vo dung dch HNO3 c, núng thu c 1,344 lớt khớ NO2 (sn phm kh nht, ktc) v dung dch Y Sc t t khớ NH3 (d) vo dung dch Y, sau phn ng xy hon ton thu c m gam kt ta Phn trm v lng ca Cu hn hp X v giỏ tr ca m ln lt l A 21,95% v 2,25 B 78,05% v 2,25 C 21,95% v 0,78 D 78,05% v 0,78 Cõu 60: Cho s chuyn hoỏ: H SO đặc, to + Mg, ete khan + HBr Butan-2-ol X (anken) Y Z Trong ú X, Y, Z l sn phm chớnh Cụng thc ca Z l A (CH3)3C-MgBr B CH3-CH2-CH2 -CH2-MgBr C CH3-CH(MgBr)-CH2-CH3 D (CH3)2CH-CH2-MgBr HT Trang 6/6 - Mó thi 148 B GIO DC V O TO P N THI TUYN SINH I HC NM 2009 CHNH THC Cõu s 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Mụn: HO HC; Khi: B Mó thi 475 637 148 269 852 958 D C B B A C B A D B D C B A D A A C C C C D D B C A A D B D A C C C B B A D D A C D A A B A C A B C D D B A D B B A C A A D C C B A C A A D A B A C D A D C B C C C A D A B A D C C A B D B D B D B C C C B D B C A D A D B A D A C B B D B A B C A B C B D C D B C A C D A B A B A B B B C D A A A A A C B A C A D C B D B C B A B A D D D A A C B A B A A C D A B B D D D B A B B B B D B D D Cõu s 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 Mó thi 475 637 148 269 852 958 C C B D C C C C C C D D B A C C C C D C A D D C D C C B C A C D A B B D A A A C A B B A A A D D C D B C C C A D C D D D A D D B C C C A B D A A A D D C A D C A A A C C D D D A C A C B D C D A B B C A A A D D D D B D D C D A D C B C B D B C B D C C A D A A B D D B D A C B C B B B B A D D B D C C B D D A C C B C D C B B B A C C A B D B ... A B A D C C A B D B D B D B C C C B D B C A D A D B A D A C B B D B A B C A B C B D C D B C A C D A B A B A B B B C D A A A A A C B A C A D C B D B C B A B A D D D A A C B A B A A C D A B B D... B Mó thi 475 637 148 269 852 958 D C B B A C B A D B D C B A D A A C C C C D D B C A A D B D A C C C B B A D D A C D A A B A C A B C D D B A D B B A C A A D C C B A C A A D A B A C D A D C B. .. C B C A C D A B B D A A A C A B B A A A D D C D B C C C A D C D D D A D D B C C C A B D A A A D D C A D C A A A C C D D D A C A C B D C D A B B C A A A D D D D B D D C D A D C B C B D B C B D