B GIO DC V O TO CHNH THC ( thi cú 05 trang) THI TUYN SINH I HC, CAO NG NM 2007 Mụn thi: HO HC, Khi A Thi gian lm bi: 90 phỳt Mó thi 863 H, tờn thớ sinh: S bỏo danh: PHN CHUNG CHO TT C TH SINH (44 cõu, t cõu n cõu 44): Cõu 1: Cho 4,48 lớt hn hp X ( ktc) gm hirocacbon mch h li t t qua bỡnh cha 1,4 lớt dung dch Br2 0,5M Sau phn ng hon ton, s mol Br2 gim i mt na v lng bỡnh tng thờm 6,7 gam Cụng thc phõn t ca hirocacbon l (cho H = 1, C = 12) A C2H2 v C4H8 B C3H4 v C4H8 C C2H2 v C3H8 D C2H2 v C4H6 Cõu 2: Hn hp X gm axit HCOOH v axit CH3COOH (t l mol 1:1) Ly 5,3 gam hn hp X tỏc dng vi 5,75 gam C2H5OH (cú xỳc tỏc H2SO4 c) thu c m gam hn hp este (hiu sut ca cỏc phn ng este hoỏ u bng 80%) Giỏ tr ca m l (cho H = 1, C = 12, O = 16) A 6,48 B 8,10 C 16,20 D 10,12 Cõu 3: in phõn dung dch CuCl2 vi in cc tr, sau mt thi gian thu c 0,32 gam Cu catụt v mt lng khớ X anụt Hp th hon ton lng khớ X trờn vo 200 ml dung dch NaOH ( nhit thng) Sau phn ng, nng NaOH cũn li l 0,05M (gi thit th tớch dung dch khụng thay i) Nng ban u ca dung dch NaOH l (cho Cu = 64) A 0,15M B 0,2M C 0,1M D 0,05M Cõu 4: -aminoaxit X cha mt nhúm -NH2 Cho 10,3 gam X tỏc dng vi axit HCl (d), thu c 13,95 gam mui khan Cụng thc cu to thu gn ca X l (cho H = 1, C = 12, N = 14, O = 16, Cl = 35,5) A H2NCH2COOH B H2NCH2CH2COOH C CH3CH2CH(NH2)COOH D CH3CH(NH2)COOH Cõu 5: Ho tan 5,6 gam Fe bng dung dch H2SO4 loóng (d), thu c dung dch X Dung dch X phn ng va vi V ml dung dch KMnO4 0,5M Giỏ tr ca V l (cho Fe = 56) A 80 B 20 C 40 D 60 Cõu 6: Tng h s (cỏc s nguyờn, ti gin) ca tt c cỏc cht phng trỡnh phn ng gia Cu vi dung dch HNO3 c, núng l A B 10 C 11 D Cõu 7: Cho cỏc phn ng sau: a) FeO + HNO3 (c, núng) b) FeS + H2SO4 (c, núng) c) Al2O3 + HNO3 (c, núng) d) Cu + dung dch FeCl3 Ni, t o e) CH3CHO + H2 f) glucoz + AgNO3 (hoc Ag2O) dung dch NH3 g) C2H4 + Br2 h) glixerol (glixerin) + Cu(OH)2 Dóy gm cỏc phn ng u thuc loi phn ng oxi húa - kh l: A a, b, c, d, e, g B a, b, d, e, f, h C a, b, c, d, e, h D a, b, d, e, f, g Cõu 8: Nilon6,6 l mt loi A t axetat B t visco C polieste D t poliamit Cõu 9: nhn bit ba axit c, ngui: HCl, H2SO4, HNO3 ng riờng bit ba l b mt nhón, ta dựng thuc th l A Cu B CuO C Al D Fe Cõu 10: Mt hirocacbon X cng hp vi axit HCl theo t l mol 1:1 to sn phm cú thnh phn lng clo l 45,223% Cụng thc phõn t ca X l (cho H = 1, C = 12, Cl = 35,5) A C3H6 B C2H4 C C3H4 D C4H8 Trang 1/5 - Mó thi 863 Cõu 11: t chỏy hon ton a mol axit hu c Y c 2a mol CO2 Mt khỏc, trung hũa a mol Y cn va 2a mol NaOH Cụng thc cu to thu gn ca Y l A C2H5-COOH B HOOC-COOH C HOOC-CH2-CH2-COOH D CH3-COOH Cõu 12: Ba hirocacbon X, Y, Z k tip dóy ng ng, ú lng phõn t Z gp ụi lng phõn t X t chỏy 0,1 mol cht Y, sn phm khớ hp th hon ton vo dung dch Ca(OH)2 (d), thu c s gam kt ta l (cho H = 1, C = 12, O = 16, Ca = 40) A 30 B 20 C 10 D 40 Cõu 13: Phỏt biu khụng ỳng l: A Phenol phn ng vi dung dch NaOH, ly mui va to cho tỏc dng vi dung dch HCl li thu c phenol B Axit axetic phn ng vi dung dch NaOH, ly dung dch mui va to cho tỏc dng vi khớ CO2 li thu c axit axetic C Dung dch natri phenolat phn ng vi khớ CO2, ly kt ta va to cho tỏc dng vi dung dch NaOH li thu c natri phenolat D Anilin phn ng vi dung dch HCl, ly mui va to cho tỏc dng vi dung dch NaOH li thu c anilin Cõu 14: X phũng húa 8,8 gam etyl axetat bng 200 ml dung dch NaOH 0,2M Sau phn ng xy hon ton, cụ cn dung dch thu c cht rn khan cú lng l (cho H = 1, C = 12, O = 16, Na = 23) A 8,2 gam B 8,56 gam C 3,28 gam D 10,4 gam Cõu 15: Khi nung hn hp cỏc cht Fe(NO3)2, Fe(OH)3 v FeCO3 khụng khớ n lng khụng i, thu c mt cht rn l A Fe3O4 B FeO C Fe D Fe2O3 Cõu 16: Cho 0,1 mol anehit X tỏc dng vi lng d AgNO3 (hoc Ag2O) dung dch NH3, un núng thu c 43,2 gam Ag Hiro hoỏ X thu c Y, bit 0,1 mol Y phn ng va vi 4,6 gam Na Cụng thc cu to thu gn ca X l (cho Na = 23, Ag = 108) A HCHO B OHC-CHO C CH3CHO D CH3CH(OH)CHO Cõu 17: Cho t t dung dch cha a mol HCl vo dung dch cha b mol Na2CO3 ng thi khuy u, thu c V lớt khớ ( ktc) v dung dch X Khi cho d nc vụi vo dung dch X thy cú xut hin kt ta Biu thc liờn h gia V vi a, b l: A V = 22,4(a + b) B V = 11,2(a - b) C V = 11,2(a + b) D V = 22,4(a - b) Cõu 18: Cho m gam hn hp Mg, Al vo 250 ml dung dch X cha hn hp axit HCl 1M v axit H2SO4 0,5M, thu c 5,32 lớt H2 ( ktc) v dung dch Y (coi th tớch dung dch khụng i) Dung dch Y cú pH l A B C D Cõu 19: Nh t t cho n d dung dch NaOH vo dung dch AlCl3 Hin tng xy l A cú kt ta keo trng v cú khớ bay lờn B cú kt ta keo trng, sau ú kt ta tan C khụng cú kt ta, cú khớ bay lờn D ch cú kt ta keo trng Cõu 20: Ho tan hon ton hn hp gm 0,12 mol FeS2 v a mol Cu2S vo axit HNO3 (va ), thu c dung dch X (ch cha hai mui sunfat) v khớ nht NO Giỏ tr ca a l A 0,06 B 0,04 C 0,075 D 0,12 Cõu 21: Khi tỏch nc t mt cht X cú cụng thc phõn t C4H10O to thnh ba anken l ng phõn ca (tớnh c ng phõn hỡnh hc) Cụng thc cu to thu gn ca X l A CH3OCH2CH2CH3 B CH3CH(CH3)CH2OH C (CH3)3COH D CH3CH(OH)CH2CH3 Cõu 22: Cho hn hp X gm hai cht hu c cú cựng cụng thc phõn t C2H7NO2 tỏc dng va vi dung dch NaOH v un núng, thu c dung dch Y v 4,48 lớt hn hp Z ( ktc) gm hai khớ (u lm xanh giy qu m) T hi ca Z i vi H2 bng 13,75 Cụ cn dung dch Y thu c lng mui khan l (cho H = 1, C = 12, N = 14, O = 16, Na = 23) A 14,3 gam B 15,7 gam C 8,9 gam D 16,5 gam Cõu 23: Khi t chỏy hon ton mt amin n chc X, thu c 8,4 lớt khớ CO2, 1,4 lớt khớ N2 (cỏc th tớch khớ o ktc) v 10,125 gam H2O Cụng thc phõn t ca X l (cho H = 1, O = 16) A C3H7N B C3H9N C C4H9N D C2H7N Cõu 24: Trong phũng thớ nghim, iu ch mt lng nh khớ X tinh khit, ngi ta un núng dung dch amoni nitrit bóo ho Khớ X l A N2 B N2O C NO D NO2 Cõu 25: Cho lung khớ H2 (d) qua hn hp cỏc oxit CuO, Fe2O3, ZnO, MgO nung nhit cao Sau phn ng hn hp rn cũn li l: A Cu, Fe, Zn, Mg B Cu, Fe, Zn, MgO C Cu, FeO, ZnO, MgO D Cu, Fe, ZnO, MgO Cõu 26: Mnh khụng ỳng l: A CH3CH2COOCH=CH2 tỏc dng c vi dung dch Br2 B CH3CH2COOCH=CH2 tỏc dng vi dung dch NaOH thu c anehit v mui C CH3CH2COOCH=CH2 cú th trựng hp to polime D CH3CH2COOCH=CH2 cựng dóy ng ng vi CH2=CHCOOCH3 Cõu 27: Hp th hon ton 2,688 lớt khớ CO2 ( ktc) vo 2,5 lớt dung dch Ba(OH)2 nng a mol/l, thu c 15,76 gam kt ta Giỏ tr ca a l (cho C = 12, O = 16, Ba = 137) A 0,048 B 0,032 C 0,04 D 0,06 Cõu 28: Trong phũng thớ nghim, ngi ta thng iu ch clo bng cỏch A cho dung dch HCl c tỏc dng vi MnO2, un núng B in phõn dung dch NaCl cú mng ngn C in phõn núng chy NaCl D cho F2 y Cl2 dung dch NaCl 2+ Cõu 29: Anion X v cation Y u cú cu hỡnh electron lp ngoi cựng l 3s 3p V trớ ca cỏc nguyờn t bng tun hon cỏc nguyờn t húa hc l: A X cú s th t 18, chu k 3, nhúm VIA (phõn nhúm chớnh nhúm VI); Y cú s th t 20, chu k 4, nhúm IIA (phõn nhúm chớnh nhúm II) B X cú s th t 17, chu k 4, nhúm VIIA (phõn nhúm chớnh nhúm VII); Y cú s th t 20, chu k 4, nhúm IIA (phõn nhúm chớnh nhúm II) C X cú s th t 17, chu k 3, nhúm VIIA (phõn nhúm chớnh nhúm VII); Y cú s th t 20, chu k 4, nhúm IIA (phõn nhúm chớnh nhúm II) D X cú s th t 18, chu k 3, nhúm VIIA (phõn nhúm chớnh nhúm VII); Y cú s th t 20, chu k 3, nhúm IIA (phõn nhúm chớnh nhúm II) Cõu 30: chng minh phõn t ca glucoz cú nhiu nhúm hiroxyl, ngi ta cho dung dch glucoz phn ng vi A kim loi Na B AgNO3 (hoc Ag2O) dung dch NH3, un núng C Cu(OH)2 NaOH, un núng D Cu(OH)2 nhit thng Cõu 31: Cho s Cl2 (tỉ lệ mol 1:1) NaOH đặc (d) axit HCl C6H6 (benzen) X Y Z o Fe, to t cao, p cao Hai cht hu c Y, Z ln lt l: A C6H5ONa, C6H5OH B C6H6(OH)6, C6H6Cl6 C C6H4(OH)2, C6H4Cl2 D C6H5OH, C6H5Cl Cõu 32: Cho dóy cỏc cht: Ca(HCO3)2, NH4Cl, (NH4)2CO3, ZnSO4, Al(OH)3, Zn(OH)2 S cht dóy cú tớnh cht lng tớnh l A B C D + 2 Cõu 33: Dóy gm cỏc ion X , Y v nguyờn t Z u cú cu hỡnh electron 1s 2s 2p l: + + + + A Na , Cl , Ar B K , Cl , Ar C Li , F , Ne D Na , F , Ne Cõu 34: Dung dch HCl v dung dch CH3COOH cú cựng nng mol/l, pH ca hai dung dch tng ng l x v y Quan h gia x v y l (gi thit, c 100 phõn t CH3COOH thỡ cú phõn t in li) A y = x + B y = 100x C y = 2x D y = x - Cõu 35: Hũa tan hon ton 12 gam hn hp Fe, Cu (t l mol 1:1) bng axit HNO3, thu c V lớt ( ktc) hn hp khớ X (gm NO v NO2) v dung dch Y (ch cha hai mui v axit d) T ca X i vi H2 bng 19 Giỏ tr ca V l (cho H = 1, N = 14, O = 16, Fe = 56, Cu = 64) A 2,24 B 5,60 C 3,36 D 4,48 Cõu 36: Trn dung dch cha a mol AlCl3 vi dung dch cha b mol NaOH thu c kt ta thỡ cn cú t l A a : b < : B a : b = : C a : b = : D a : b > : 3+ 2+ Cõu 37: Dóy cỏc ion xp theo chiu gim dn tớnh oxi hoỏ l (bit dóy in húa, cp Fe /Fe + ng trc cp Ag /Ag): 3+ + 2+ 2+ + 3+ 2+ 2+ A Fe , Ag , Cu , Fe B Ag , Fe , Cu , Fe 3+ 2+ + 2+ + 2+ 3+ 2+ C Fe , Cu , Ag , Fe D Ag , Cu , Fe , Fe Cõu 38: 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, núng S phn ng thuc loi phn ng oxi hoỏ kh l A B C D Cõu 39: Clo hoỏ PVC thu c mt polime cha 63,96% clo v lng, trung bỡnh phõn t clo phn ng vi k mt xớch mch PVC Giỏ tr ca k l (cho H = 1, C = 12, Cl = 35,5) A B C D Cõu 40: Hirat húa anken ch to thnh ancol (ru) Hai anken ú l A propen v but-2-en (hoc buten-2) B 2-metylpropen v but-1-en (hoc buten-1) C eten v but-2-en (hoc buten-2) D eten v but-1-en (hoc buten-1) Cõu 41: Cho 15,6 gam hn hp hai ancol (ru) n chc, k tip dóy ng ng tỏc dng ht vi 9,2 gam Na, thu c 24,5 gam cht rn Hai ancol ú l (cho H = 1, C = 12, O = 16, Na = 23) A CH3OH v C2H5OH B C3H7OH v C4H9OH C C2H5OH v C3H7OH D C3H5OH v C4H7OH Cõu 42: Cho 6,6 gam mt anehit X n chc, mch h phn ng vi lng d AgNO3 (hoc Ag2O) dung dch NH3, un núng Lng Ag sinh cho phn ng ht vi axit HNO3 loóng, thoỏt 2,24 lớt khớ NO (sn phm kh nht, o ktc) Cụng thc cu to thu gn ca X l (cho H = 1, C = 12, O = 16) A CH2 = CHCHO B CH3CHO C HCHO D CH3CH2CHO Cõu 43: Thu phõn hon ton 444 gam mt lipit thu c 46 gam glixerol (glixerin) v hai loi axit bộo Hai loi axit bộo ú l (cho H = 1, C = 12, O = 16) A C17H33COOH v C17H35COOH B C17H31COOH v C17H33COOH C C15H31COOH v C17H35COOH D C17H33COOH v C15H31COOH Cõu 44: Cho m gam tinh bt lờn men thnh ancol (ru) etylic vi hiu sut 81% Ton b lng CO2 sinh 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 thờm c 100 gam kt ta Giỏ tr ca m l (cho H = 1, C = 12, O = 16, Ca = 40) A 550 B 810 C 750 D 650 PHN RIấNG: Thớ sinh ch c chn lm phn (Phn I hoc Phn II) Phn I Theo chng trỡnh KHễNG phõn ban (6 cõu, t cõu 45 n cõu 50): Cõu 45: Mnh khụng ỳng l: 2+ A Fe kh c Cu dung dch 2+ + 2+ + B Tớnh oxi húa ca cỏc ion tng theo th t: Fe , H , Cu , Ag 3+ 2+ C Fe cú tớnh oxi húa mnh hn Cu 2+ D Fe oxi hoỏ c Cu Cõu 46: Hn hp gm hirocacbon X v oxi cú t l s mol tng ng l 1:10 t chỏy hon ton hn hp trờn thu c hn hp khớ Y Cho Y qua dung dch H2SO4 c, thu c hn hp khớ Z cú t i vi hiro bng 19 Cụng thc phõn t ca X l (cho H = 1, C = 12, O = 16) A C3H4 B C3H6 C C3H8 D C4H8 Cõu 47: Ho tan hon ton 2,81 gam hn hp gm Fe2O3, MgO, ZnO 500 ml axit H2SO4 0,1M (va ) Sau phn ng, hn hp mui sunfat khan thu c cụ cn dung dch cú lng l (cho H = 1, O = 16, Mg = 24, S = 32, Fe = 56, Zn = 65) A 3,81 gam B 5,81 gam C 4,81 gam D 6,81 gam Cõu 48: Dóy gm cỏc cht u tỏc dng vi AgNO3 (hoc Ag2O) dung dch NH3, l: A anehit axetic, butin-1, etilen B axit fomic, vinylaxetilen, propin C anehit fomic, axetilen, etilen D anehit axetic, axetilen, butin-2 Cõu 49: t chỏy hon ton mt lng cht hu c X thu c 3,36 lớt khớ CO2, 0,56 lớt khớ N2 (cỏc khớ o ktc) v 3,15 gam H2O Khi X tỏc dng vi dung dch NaOH thu c sn phm cú mui H2N-CH2-COONa Cụng thc cu to thu gn ca X l (cho H = 1, C = 12, O = 16) A H2N-CH2-COO-C3H7 B H2N-CH2-COO-C2H5 C H2N-CH2-COO-CH3 D H2N-CH2-CH2-COOH Cõu 50: Dóy gm cỏc kim loi c iu ch cụng nghip bng phng phỏp in phõn hp cht núng chy ca chỳng, l: A Na, Ca, Zn B Na, Cu, Al C Na, Ca, Al D Fe, Ca, Al Phn II Theo chng trỡnh phõn ban (6 cõu, t cõu 51 n cõu 56): Cõu 51: Phỏt biu khụng ỳng l: A Cỏc hp cht Cr2O3, Cr(OH)3, CrO, Cr(OH)2 u cú tớnh cht lng tớnh B Hp cht Cr(II) cú tớnh kh c trng cũn hp cht Cr(VI) cú tớnh oxi hoỏ mnh C Cỏc hp cht CrO, Cr(OH)2 tỏc dng c vi dung dch HCl cũn CrO3 tỏc dng c vi dung dch NaOH D Thờm dung dch kim vo mui icromat, mui ny chuyn thnh mui cromat Cõu 52: thu ly Ag tinh khit t hn hp X (gm a mol Al2O3, b mol CuO, c mol Ag2O), ngi ta ho tan X bi dung dch cha (6a + 2b + 2c) mol HNO3 c dung dch Y, sau ú thờm (gi thit hiu sut cỏc phn ng u l 100%) A 2c mol bt Cu vo Y B c mol bt Cu vo Y C 2c mol bt Al vo Y D c mol bt Al vo Y Cõu 53: Cú dung dch mui riờng bit: CuCl2, ZnCl2, FeCl3, AlCl3 Nu thờm dung dch KOH (d) ri thờm tip dung dch NH3 (d) vo dung dch trờn thỡ s cht kt ta thu c l A B C D Cõu 54: Cho cỏc cht: HCN, H2, dung dch KMnO4, dung dch Br2 S cht phn ng c vi (CH3)2CO l A B C D Cõu 55: Mt este cú cụng thc phõn t l C4H6O2, thu phõn mụi trng axit thu c axetanehit Cụng thc cu to thu gn ca este ú l A CH2=CH-COO-CH3 B HCOO-CH=CH-CH3 C CH3COO-CH=CH2 D HCOO-C(CH3)=CH2 Cõu 56: Khi thc hin phn ng este hoỏ mol CH3COOH v mol C2H5OH, lng este ln nht thu c l 2/3 mol t hiu sut cc i l 90% (tớnh theo axit) tin hnh este hoỏ mol CH3COOH cn s mol C2H5OH l (bit cỏc phn ng este hoỏ thc hin cựng nhit ) A 2,412 B 0,342 C 0,456 D 2,925 - HT ... kt ta Biu thc liờn h gia V vi a, b l: A V = 22,4 (a + b) B V = 11,2 (a - b) C V = 11,2 (a + b) D V = 22,4 (a - b) Cõu 18: Cho m gam hn hp Mg, Al vo 250 ml dung dch X cha hn hp axit HCl 1M v axit... 65) A 3,81 gam B 5,81 gam C 4,81 gam D 6,81 gam Cõu 48: Dóy gm cỏc cht u tỏc dng vi AgNO3 (hoc Ag2O) dung dch NH3, l: A anehit axetic, butin-1, etilen B axit fomic, vinylaxetilen, propin C anehit... phõn hp cht núng chy ca chỳng, l: A Na, Ca, Zn B Na, Cu, Al C Na, Ca, Al D Fe, Ca, Al Phn II Theo chng trỡnh phõn ban (6 cõu, t cõu 51 n cõu 56): Cõu 51: Phỏt biu khụng ỳng l: A Cỏc hp cht Cr2O3,