S GIO DC & O TO THANH HO

TRNG THPT LNG C BNG

THI KHO ST CHT LNG KHI 12 LN 1 Mn: Ho Hc Khi A, B Thi gian lm bi: 90 pht ( gm 06 trang, 60 cu trc nghim)M thi 357

(Th sinh khng c s dng ti liu) H, tn th sinh:.................................................................................................. I. PHN CHUNG CHO TT C TH SINH (40 cu, t cu 1 n cu 40)

Cu 1: Dung dch X l HCl 0,1M pha long X 100 ln c dung dch Y c pH=b Nu ly 2lt dung dch Y ho thm vo 12,474 g HNO3 thu c dung dch Z c pH=c .Gi tr ca b v c tng ng l A. b=3, c=2. B. b=3, c=1. C. b=4, c=2 . D. b=2, c=1. Cu 2: X l mt anehit no, mch h c cng thc (C2H3O)n. Cng thc cu to ca X l: A. C4H8(CHO)2 B. C2H4(CHO)2 C. CH2(CHO)2 D. C3H6(CHO)3 2+ 3+, 3+ Cu 3: Khi cho dung dch Na2CO3 d vo dung dch cha ion Ba , Fe Al , NO3- th kt ta thu c gm A. BaCO3, Al(OH)3, Fe(OH)3. B. BaCO3, Al(OH)3. C. Al(OH)3, Fe(OH)3. D. BaCO3, Fe(OH)3. Cu 4: Oxi ho 2 g mt ancol n chc mch h X bng O2 (c xc tc thch hp) thu c 2,8 g hn hp Y gm anhit, ancol d v hi nc. Cng thc phn t ca X v hiu sut phn ng l: A. C2H5OH v 75% B. C3H7OH v 80% C. CH3OH v 75% D. CH3OH v 80% Cu 5: Brom ho p-nitrophenol thu c sn phm chnh lOH Br

OH Br Br

OH

OH Br Br Br NO2

A. B. C. D. Cu 6: Cho x mol Fe tc dng vi dung dch cha y mol HNO3 to ra kh NO v dung dch X. dung dch X tn ti cc ion Fe3+, Fe2+, NO 3 th quan h gia x v y l (khng c s thy phn cc ion trong nc) A . y < x < 3y B. y < x < y C. x = y D. x > 3y 4 8 8 4 4 8 Cu 7: Ha tan hon ton hn hp gm 0,12mol FeS2 v a mol Cu2S vo axit HNO3 ( va )thu c dung dch X (ch cha 2 mui sun fat)v kh duy nht NO cho dd X tc dng vi dung dch BaCl 2 thu c m gam kt ta Gi tri m l A. 65,24. B. 69,9 . C. 23,3 . D. 46,6 . Cu 8: t chy hon ton mt lng hn hp hai este no, n chc cn 3,976 lt oxi ( ktc), thu c 6,38 gam kh cacbonic, 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 cu to thu gn v khi lng ca mi este trong hn hp u l A. CH3COOC2H5; m = 1,11 gam v CH3COOCH3; m = 2,2 gam. B. C2H5COOC2H5; m = 4,4 gam v C2H5COOCH3; m = 25,5 gam. C. CH3COOC2H5; m = 2,2 gam v CH3COOCH3; m = 1,11 gam. D. C2H5COOC2H5; m = 25,5 gam v C2H5COOCH3; m = 4,4 gam. Cu 9: Trong cc polime: Thu tinh plexiglat, nilon-6,6, Cao su buna, PVC, t nitron (hay olon), t lapsan, nha phenol fomanehit, PVA. S polime iu ch bng phng php trng ngng l: A. 6. B. 5. C. 3. D. 4. Cu 10: Ho tan ht 6,96 gam hn hp Al v Cu vo dung dch HNO 3 thu c dung dch X v V lt (ktc) hn hp kh Y gm NO v N 2O (khng c sn phm kh khc) Y c t khi so vi hiro bng 17,625. Cho t t dung dch NH3 vo dung dch X cho ti d NH3. Kt thc cc phn ng, thu c 6,24 gam kt ta. Gi tr ca V l A. 1,120 lt. B. 1,792 lt. C. 2,016 lt. D. 0,672 lt.Trang 1/7 - M thi 357

NO2

NO2

NO2

Cu 11: Hai dung dch mui A v B. Mi dung dch cha 2 cation v 2 anion trong cc ion sau . K + 0,15 mol Mg 2+ 0,1mol NH4+ 0,25mol H+ 0,2mol Cl- 0,1mol SO42- 0,075mol NO3 - 0,25 mol CO320,15 mol( 1 ion khng thuc trong hai dung dch) A. dd A gm Mg2+ , NH4+ , SO42- , NO3- ddB gm K+, H+, CO32- , ClB. ddA gm K+ NH4+ NO3- Cldd B gm Mg2+ , H+ , SO42- , CO32+ 2+ + C. ddA gm K Mg NH4 Cl ddB gm NH4+ H+ , SO42- , NO3D. ddA gm K+ NH4+ CO32- Cldd B gm Mg2+ , H+ , SO42- , NO3Cu 12: Glixrol tc dng vi HNO3 , c xc tc H2SO4 c , un nng thu c sn phm este ti a l A. 6 sn phm B. 3 sn ph m C. 2 sn ph m D. 5 sn phm Cu 13: Khi un nng mt an kan A tc tch mt phn t Hiro thu c hn hp X c t khi so vi hiro bng 12,57. Cng thc phn t ca Ankan A l A. C2H6 hoc C3H8 . B. Ch C2H6 . C. C3H8 hoc C4H10 . D. Ch C4H8 . Cu 14: Hn hp X gm hai -amino axit no, mch h, phn t ch cha mt nhm amino, mt nhm cacboxyl v l ng ng k tip nhau. Ly 23,9 gam hn hp X cho tc dng vi 100 ml dung dch HCl 3,5M , c dung dch Y. tc dng ht vi cc cht trong dung dch Y cn dng va 650 ml dung dch NaOH 1M. Cng thc hai cht trong hn hp X l A. H2NCH(CH3)COOH v H2NCH(C2H5)COOH. B. H2NCH2COOH v H2NCH(CH3)COOH. C. H2NCH(C3H7)COOH v H2NCH(C4H9)COOH. D. H2NCH(C2H5)COOH v H2NCH(C3H7)COOH. Cu 15: Cho m gam Na vo 100 ml dung dich AlCl3 2M , sau phn ng thu c 7,8 gam kt ta . Gi tr ca m l. A. 16,1gam B. 10,8gam hoc 6,9gam C. 6,9gam D. 6,9gam hoc 16,1gam Cu 16: Cho 7,2 gam mt este n chc mch h tc dng ht vi dung dch NaOH un nng, thu c dung dch X. Cho X tc dng vi lng d dung dch AgNO3 trong NH3 thu c 43,2 gam Ag. Tn gi ca este l: A. vinyl fomat. B. vinyl axetat. C. anlyl fomat. D. etyl fomat. Cu 17: Mt cht hu c X mch h, khng phn nhnh, ch cha C, H, O. Cht X cha cc nhm chc c nguyn t hiro linh ng v khi X tc dng vi Na d thu c s mol hiro bng s mol ca X. Cht X tc dng vi CuO nung nng to ra anehit. Ly 13,5 gam X phn ng va vi Na 2CO3 thu c 16,8 gam mui v c kh CO2 bay ra. Cng thc cu to thu gn ca X l A. HO-CH2-CH(OH)-CHO. B. CH3-C(OH)2-CHO. C. HOOC-CH2-CH2-OH. D. HOOC-CH(OH)-CH3. Cu 18: t chy hon ton x mol axit hu c Y c 2x mol CO 2. Mt khc, trung ho x mol Y cn va 2x mol NaOH. Cng thc cu to thu gn ca Y l A. HOOC- COOH. B. HOOC - CH2 - CH2 COOH. C. C2H5COOH. D. CH3COOH. Cu 19: C 3 kim loi X, Y, Z tha mn: - X tc dng vi HCl, khng tc dng vi NaOH v HNO3 c ngui. - Y tc dng c vi HCl v HNO3 c ngui, khng tc dng vi NaOH. - Z tc dng c vi HCl v NaOH, khng tc dng vi HNO3 c ngui. Vy X, Y, Z ln lt l A. Zn, Mg, Al. B. Fe, Mg, Al . C. Fe, Al, Mg . D. Fe, Mg, Zn. Cu 20: Khi nhit phn 8,8 g C3H8 thu c hn hp kh A theo 2 phng trnh sau; (Hiu xut phn ng bng 60%) (1) C3H8 CH4 + C2H4 (2) C3H8 C3H6 + H2 Khi lng trung bnh MA v V lt oxi (ktc) cn t chy hn hp A l A. 22 v 22,4 lt. B. 27,5 v 22,4 lt. C. 24 v 33,6lt . D. 24,32 v 11,2 lt. Cu 21: Cho 0,01 mol 1este ca Axt hu c phn ng va 100ml NaOH 0,2M .Sn phm cho 1 ru , 1 mui v s mol bng nhau. Mt khc khi x phng ho hon ton 1,29g este bng 1 lng va l 60ml KOH 0,25M c cn thu c 1,665g mui khan. Cng thc ca Este tng ng l A. C3H6(COO)2C3H6 B. C4H8COOC2H5 C. CH3COOC2H5 D. C4H8(COO)2C2H4 Cu 22: Cho cc cht sau y :Trang 2/7 - M thi 357

(1) C2H5OH; (2) C2H5Cl ;( 3) C2H2 ;(4) CH2 = CH2 (5) CH3 CH3 ; (6) CH3 - COOCH= CH2 (7) CH2= CHCl ;(8) CH2OH-CH2OH ; (9) CH3-CHCl2 S cht to ra CH3CHO khi thc hin 1 phng trnh phn ng l A. (2) ; (3) ; (4) ; (5) ; (6) ; (8) . B. (2) ; (3) ; (4) ; (5) ; (6 ) ; (9) . C. (1); (3) ; (4) ; (6) ; (7) ; (8) ; ( 9). D. (1) ; (2) ; (3) ; (4) ; ( 7) ; ( 8) ; (9 ) . Cu 23: Cho cc amin: (1) p-nitroanilin, (2) p-metylanilin, (3) metylamin, (4) imetylamin, (5) anilin. Lc baz ca chng c xp theo th t tng dn t tri qua phi l A. (1), (2), (3), (4), (5). B. (3), (2), (4), (1), (5) C. (1), (5), (2), (3), (4). D. (5), (4), (3), (2), (1). . Cu 24: Nung nong tng cp cht trong binh kin: (1) Fe + S (r), (2) Fe2O3 + CO (k), (3) Au + O2 (k), (4) Cu + Cu(NO3)2 (r), (5) Cu + KNO3 (r) , (6) Al + NaCl (r) (7) Ag (r)+O2 ( k).+ H2S ( k) (8) Ag (r)+O2 . Cac trng hp xay ra phan ng oxi hoa kim loai la: A. (1), (4), (5),(7). D . (1), (2), (5), (6),(7). B. (2), (3), (4), (8). C. (1), (3), (6), (2),(8). Cu 25: Cho 6 dung dch cha cc cht tan: NH3, (CH3)2NH, HCl, C6H5NH3Cl, FeCl3 C6H5OH tc dng vi nhau tng i mt. S phn ng ho hc xy ra l A. 7 . B. 9. C. 8. D. 6. Cu 26: t chy hon ton 2 amin no n chc ng ng k tip thu c 1,12 lt CO 2 (ktc) v 1,8 g H2O. Cng thc phn t ca 2 amin l: A. C4H9NH2, C5H11NH2 B. C3H7NH2, C4H9NH2 C. C2H5NH2, C3H7NH2 D. CH3NH2, C2H5NH2 Cu 27: in phn dung dch mui CuSO4 vi in cc ant c lm bng Fe. Th sau in phn khi lng catt tng m1 gam v khi lng ant gim m2 gam l: A. m1 > m2 . B. m1 < m2 . C. m1 = m2 . D. m2 = 2m1 . Cu 28: Ly 200ml dung dch A cha HCl, HNO3, H2SO4 c t l s mol l 1 : 5 : 1 cho tc dng vi Ag d ri un nng thy th tch kh NO2 l sn phm kh duy nht thot ra ( ktc) ti a l 22,4 ml th pH ca dung dch A l A. 2,79. B. 1,79. C. 2,00. D. 2,16. Cu 29: C 5 cng thc phn t ln lt l: CH2O, CH2O2, C2H2O3 ,C2H4O2 v C3H6O3.S cht mch h va tc dng vi NaOH, va c phn ng trng gng l A. 6 B. 4 C. 5 D. 3 Cu 30: Ho tan 11,6 gam hn hp X gm Fe, FeO, Fe2O3 trong dung dch HNO3 d, thu c sn phm kh gmV lt hn hp kh NO, NO2 ( ktc) c t khi so vi Hiro bng 19. Mt khc nu un nng X vi CO d th sau phn ng hon ton thu c 9,52 gam Fe. Gi tr V l A. 4,48. B. 2,24. C. 1,12. D. 2,80. Cu 31: Cho cc dung dch ring bit sau: NaCl, NaHSO4, NH4Cl, Na2CO3, C6H5ONa (natri phenolat), CH3COONa, CH3NH3Cl, NaHCO3. NaAlO2; AlCl3 ; S lng cc dung dch c pH > 7 l: A. 5. B. 8. C. 7. D. 6. Cu 32: tch phenol ra khi hh phenol, anilin, benzen, ngi ta cn dng ln lt cc ha cht no sau y (khng k cc phng php vt l). A. H2O, CO2. B. Br2, HCl. C. NaOH, HCl. D. HCl, NaOH. Cu 33: Cho bit cc phn ng xy ra nh sau 2FeBr2 + Br2 2FeBr3 2NaBr + Cl2 2NaCl + Br2 Pht biu ng l A. Tnh oxi ha ca Br2 mnh hn ca Cl2. B. Tnh kh ca Br- mnh hn ca Fe2+. C. Tnh kh ca Cl- mnh hn ca Br- . D. Tnh oxi ha ca clo mnh hn ca Fe3+. Cu 34: Nguyn t X to ra ion X- c tng cc loi ht proton, ntron, electron trong ion l 53. Cng thc oxit cao nht v hiroxt tng ng l (ZCl = 17, ZBr = 35, ZS = 16) A. Br2O7 v HBrO4. B. Cl2O7 v HClO3. C. SO3 v H2SO4. D. Cl2O7 v HClO4. Cu 35: Cc hp cht hu c mch h ch cha cc nguyn t cacbon, hiro v oxi l X, Y, Z, T u c khi lng phn t bng 60 vc. Cht X khng tc dng c vi Na v dung dch NaOH, khng tham gia phn ng trng gng. Cc cht Y, Z, T tc dng c vi Na gii phng H 2. Khi oxi ho Y (c xcTrang 3/7 - M thi 357

tc) s to thnh sn phm c kh nng tham gia phn ng trng gng. Cht Z tc dng c vi dung dch NaOH. Cht T c kh nng tham gia phn ng trng gng. Cng thc cu to ca X, Y, Z, T ln lt l: A. HOCH2CHO, CH3CH2CH2OH, CH3COOH, CH3OC2H5. B. CH3OC2H5, CH3CH2CH2OH, CH3COOH, HOCH2CHO. C. CH3CH2CH2OH, CH3OC2H5, HOCH2CHO, CH3COOH. D. CH3OC2H5, CH3CH(CH3)OH, CH3COOH, HOCH2CHO. Cu 36: Dy gm cc cht u c kh nng tham gia phn ng trng hp l: A. stiren; clobenzen; isopren; but-1-en. B. 1,1,2,2-tetrafloeten; propilen; stiren; vinyl clorua. C. buta-1,3-ien; cumen; etilen; trans-but-2-en. D. 1,2-iclopropan; vinylaxetilen; vinylbenzen; toluen. Cu 37: Dn V lt (kc) hh A c C2H4, C3H4 , C2H2 (KLPTTB=30) qua bnh dd Br2 d. Sau p thy khi lng bnh ddBr2 tng 9 gam. Gi tr V l A. 11,2. B. 4,48. C. 6,72. D. 8,96. Cu 38: Cho s sau: CaCO3 A B C D E F I K axeton Cc cht c k hiu trong s trn tng ng l: A. CaO, CaC2, C2H2, C4H4, C4H8, C3H4, C3H6Cl2, C3H4 B. CaO, C2H2, C4H4, C4H10, C2H6 , C2H4Cl2, C2H4 (OH)2, CH3CHO C. CaO, C4H4, C3H6, C3H5Cl, C3H4, CH4, C2H6, C2H5Cl D. CaO, CaC2, C2H2, C2H4, C2H5OH, CH3-CHO, CH3COOH,(CH3-COO)2Ca Cu 39: Cho cc phng trnh phn ng sau: 1 FeS2 + O2 (A) + (B) 2. (A) + H2S (C) + (D) 3. (C) + (E) ( F) 4. (F) + HCl FeCl2 + H2S A, B, C, D, E, F tng ng l A. SO2, Fe, S, H2O, Fe3O4, FeS B. FeS , Fe2O3, S , H2O, Fe, SO3 C. SO2, Fe2O3, S , H2O, Fe, FeS D. Fe2O3, S , H2O, Fe, FeS, SO2 Cu 40: Ly V1 lt HCl 0,6M trn V2 lt NaOH 0,4M .Tng V1 + V2 = 0,6 lt thu c dung dch A. Bi t rng 0,6 lt dung dch A tc dng va vi 0,02 mol Al2O3 A.V1= 0,2; V2 = 0,4 hoc V1= 0,36 ;V2 = 0,24 B. V1 = 0,2 V2 = 0,4 hoc V1 = 0,3 v V2 = 0,3 C. Ch V1 = 0,36 ; V2 = 0,2 D. Ch V1 = 0,2; V2 = 0,4

II. PHN RING (10 cu) Th sinh ch c lm mt trong hai phn ( Phn A hoc phn B) A. Theo chng trnh chun (10 cu, t cu 41 n cu 50)Cu 41: Crackinh pentan mt thi gian thu c 1,792 lt hn hp X gm 7 hirocacbon. Thm 4,48 lt H2 vo X ri nung vi Ni n phn ng hon ton thu c 5,6 lt hn hp kh Y. (th tch kh u o ktc). t chy hon ton Y ri cho sn phm chy hp th vo dung dch nc vi trong d, khi lng kt ta to thnh l: A. 25 g B. 35 g C. 30 g D. 20 g Cu 42: C 5 L ng ho cht mt nhn : CH3 CHO; dung dch glucoz, glixzol; CH3 CH2OH; CH3COOH . Nhm ho cht nhn bit 5 cht trn l A. ddAgNO3 (NH3) , CuO B. (CuOH )2 , H2O C. Qu, CuO D. dd H2O Br2 , dd AgNO3(NH3) Cu 43: Hn hp gm 2 axit no X v Y. t chy hon ton 0,3 mol hn hp thu c 11,2 lt kh CO2 (ktc). trung ha 0,3 mol hn hp cn 500ml dung dch NaOH 1M. Cng thc cu to ca 2 axit l: A. CH3COOH v C2H5COOH B. HCOOH v C2H5COOH C. CH3COOH v HOOC-CH2-COOH D. HCOOH v HOOC-COOH

Trang 4/7 - M thi 357

Cu 44: Hn hp kh X gm SO2 v O2 c t khi i vi H2 bng 24. Sau khi un nng hn hp trn vi cht xc tc thu c hn hp kh Y gm SO2, O2 v SO3 c t khi i vi H2 bng 30. Phn trm s mol ca SO2, trong hn hp Y l: A. 50% B. 12,5% C. 25% D. 37,5% Cu 45: Trn 250 ml dung dch hn hp gm HCl 0,08 mol/lt v H 2SO4 0,01 mol/lt vi 250 ml dung dch NaOH nng x mol/ lt, c 500 ml dung dch c pH =12. Gi tr ca x l A. 0,09 B. 0,11 C. 0,12 D. 0,1 Cu 46: Th t cc cht xp theo chiu tng dn lc axit l A. HCOOH