Fanpage: 2000 ễn Thi Quc Gia 2018 - Ti liu ụn thi s VN BTTN TNH TON DN XUT HALOGENANCOL - PHENOL Cõu Hn hp A gm 4,6 gam ancol etylic v 12 gam ancol propylic un A vi H2SO4 c 1700C thu c bao nhiờu lớt khớ (ktc) A 2,24 lớt B 6,72 lớt C 4,48 lớt D 8,96 lớt Cõu Tin hnh phn ng tỏch nc hon ton 12,4 gam hn hp A gm CH3OH v C2H5OH thu c 4,48 lớt anken (ktc) % lng CH3OH A l A 12,5% B 40% C 60% D 25,81% Cõu Tỏch nc 25,5g hn hp ancol metylic v etylic vi t l mol tng ng 1: vi H2SO4 c, 1700C (hiu sut 100%) thỡ th tớch anken thu c (ktc) l: A 13,44 lớt B 10,08 lớt C 5,04 lớt D 6,72 lớt https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/ Cõu Khi un núng m1 gam ancol X vi H2SO4 c lm xỳc tỏc iu kin nhit thớch hp thu c m2 gam mt cht hu c Y T ca Y so vi X l 0,7 (Bit hiu sut phn ng 100%) Tỡm cụng thc cu to ca ancol X A C2H5OH B C3H7OH C CH 3OH D C4H9OH Cõu Thc hin phn ng tỏch nc vi mt ancol n chc A iu kin thớch hp sau phn ng xy hon ton c cht hu c B cú t hi so vi A bng 1,7 Xỏc nh cụng thc phõn t ancol A A C2H5OH B C4H9OH C C 3H 7OH D CH3OH Cõu Ly 1,15 gam ancol X cho tỏc dng vi Na (d) thỡ cho 280 cm3 hiro o ktc CTPT ca X l? A CH3OH B C2H5OH C C3H7OH D C4H9OH Cõu Cú hp cht hu c X ch cha cỏc nguyờn t: C, H, O Bit 0,31 gam X tỏc dng ht vi Na to 112ml khớ H2 (ktc) Cụng thc cu to ca X l: A C3H5(OH)3 B C3H6(OH)2 C C2H4(OH)2 D C4H7(OH)3 Cõu ancol no, a chc, mch h X cú n nguyờn t cacbon v m nhúm -OH cu to phõn t Cho 7,6 g ancol trờn phn ng vi lng natri d thu c 2,24 lớt khớ (ktc) Cho n = m + Cụng thc cu to ca ancol X Truy cp vo: http://tuyensinh247.com/ hc Toỏn Lý Húa Sinh Vn - Anh tt nht! Like page nhn nhiu ti liu hn: https://www.facebook.com/tailieupro/ Fanpage: 2000 ễn Thi Quc Gia 2018 - Ti liu ụn thi s VN l: A C2H5OH B C4H7(OH)3 C C3H5(OH)2 D C3H6(OH)2 Cõu Cho 2,84 gam mt hn hp ancol n chc l ng ng liờn tip tỏc dng vi Na va , to 4,6 gam cht rn v V lớt khớ H2 ktc Cụng thc phõn t ca ancol trờn l: A CH3OH v C2H5OH B C2H5OH v C3H7OH C C2H3OH v C3H5OH D C3H5OH v C4H7OH Cõu 10 Mt ancol no n chc mch h X cú 60% cacbon theo lng phõn t Nu cho 18 gam X tỏc dng ht vi Na thỡ th tớch khớ H2 thoỏt ( iu kin chun) l: A 1,12 lớt B 2,24 lớt C 3,36 lớt D 4,46 lớt Cõu 11 Nu gi x l s mol cht hu c CnH2n-2Oz ó b t chỏy, nCO2, nH2O tng ng l s mol CO2 v H2O sinh ra, giỏ tr ca x l: A x = nCO2 = n H 2O C x = 2( n H 2O - nCO2 ) B x = n H 2O - nCO2 D x = nCO2 - n H 2O Cõu 12 Khi t chỏy hon ton 6,44 gam mt ancol no mch h A thỡ thu c 9,24 g khớ CO2 Mt khỏc cho 0,1 mol A tỏc dng vi kali d cho 3,36 lớt khớ (o ktc) Cụng thc cu to thu gn ca A C C4H8(OH)2 B C3H6(OH)2 https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/ A C4H7(OH)3 D.C3H5(OH)3 Cõu 13 t chỏy hon ton 2,22 gam mt hp cht hu c X thu c 5,28 gam CO2 v 2,7 gam H2O Cụng thc phõn t v s ng phõn ca A l: A C3H8O cú ng phõn B C2H5OH cú ng phõn C C4H10O cú ng phõn D C2H4(OH)2 khụng cú ng phõn Cõu 14 Khi t chỏy mt ancol no, mch h X thỡ lng oxi cn dựng bng ln lng oxi cú X bit X cha khụng quỏ nhúm chc S ng phõn cu to (cựng v khỏc chc) ca X l: A B C D Cõu 15 Ba ancol X, Y, Z u bn, khụng phi l cỏc cht ng phõn t chỏy mi cht u sinh CO2, H2O theo t l mol nCO2 : nH2O = : Vy cụng thc phõn t ca ancol l: A C2H5OH, C3H7OH, C4H9OH B C3H8O, C4H8O, C5H8O C C3H6O, C3H6O2, C3H8O3 D C3H8O, C3H8O2, C3H8O3 Truy cp vo: http://tuyensinh247.com/ hc Toỏn Lý Húa Sinh Vn - Anh tt nht! Like page nhn nhiu ti liu hn: https://www.facebook.com/tailieupro/ Fanpage: 2000 ễn Thi Quc Gia 2018 - Ti liu ụn thi s VN Cõu 16 t chỏy hon ton 1,52 gam mt ancol X thu c 1,344 lớt CO2 (ktc) v 1,44 gam H2O Cụng thc phõn t ca X l: A C3H8O2 B.C4H8O2 C C5H10O2 D C3H8O3 Cõu 17 t chỏy hp cht n chc Y ta ch thu c CO2 v H2O vi s mol nh v s mol oxi tiờu tn gp ln s mol ca Y Bit Y lm mt mu dung dch brom v Y cng hp hiro thỡ c ancol n chc Nu t chỏy 41,76g Y thỡ lng CO2 thu c l: A 102,08g B 87,56g C 95,04g D 76,42g Cõu 18 Đốt cháy hoàn toàn hỗn hợp hai ancol cho toàn sản phẩm cháy qua bình đựng H2SO4 đặc, bình đựng Ca(OH)2 dư Kết qủa thấy khối lượng bình tăng 1,98 gam, bình xuất gam kết tủa Xác định CTPT hai ancol, biết đềhiđrat hoá hỗn hợp hai ancol thu hai anken khí A C2H5OH C3H7OH C C3H7OH C4H9OH B CH3OH C3H7OH D A C Cõu 19 Oxi hoỏ ht 20,9g hn hp ancol metylic v ancol etylic bng mt lng va CuO thu c 19,9g hn hp anehit % lng ancol metylic hn hp ban u l: A 22,97% B 21,67% C 77,03% D 78,33% Cõu 20 Cho m gam hi ancol X qua ng ng CuO t núng d thu c m1 gam anehit acrylic bit m = m1 + 0,4 Giỏ tr m l: B 12g C 24g D 11,6g https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/ A 23,2g Cõu 21 Cho 81,696g hi ca ancol no n chc mch h qua ng ng CuO t núng d Sau phn ng thy lng cht rn ng gim i 28,416g CTCT ancol ú l: A CH3OH B C2H5OH C CH3CH2CH2OH D CH3(CH2)3OH Cõu 22 Cho bt CuO t núng d vo bỡnh ng 81,282g ancol A no mch h Lng cht rn sau phn ng tỏc dung dch HNO3 loóng d thu c 39,1552 lớt khớ NO nht (ktc) CTCT A l: A C2H5OH C C2H4(OH)2 B CH3(CH2)2OH D C3H6(OH)2 Cõu 23 Oxi hoỏ ht 40,848g ancol A thu c 38,295g anehit no, n chc mch h CTCT A l: A CH3OH B C2H5OH C CH3CH(OH)CH3 D (CH3)2CH-CH2OH Truy cp vo: http://tuyensinh247.com/ hc Toỏn Lý Húa Sinh Vn - Anh tt nht! Like page nhn nhiu ti liu hn: https://www.facebook.com/tailieupro/ Fanpage: 2000 ễn Thi Quc Gia 2018 - Ti liu ụn thi s VN Cõu 24 Oxi hoỏ 33,2g hn hp A gm etanol v etandiol bng CuO d thu c hn hp hi B Cho Na d tỏc dng vi B thu c 10,64 lớt khớ H2 (ktc) % lng etanol A l: A 34,64% B 54,54% C 38,68% D 58,58% https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/ Cõu 25: Cho Na tỏc dng va vi 1,24 gam hn hp ancol n chc X, Y, Z thy thoỏt 0,336 lớt khớ H2 (kc) Khi lng mui natri ancolat thu c l A 2,4 gam B 1,9 gam C 2,85 gam D khụng xỏc nh c Cõu 26: Cho 7,8 gam hn hp ancol n chc k tip dóy ng ng tỏc dng ht vi 4,6 gam Na c 12,25 gam cht rn ú l ancol A CH3OH v C2H5OH B C2H5OH v C3H7OH C C3H5OH v C4H7OH D C3H7OH v C4H9OH Cõu 27: 13,8 gam ancol A tỏc dng vi Na d gii phúng 5,04 lớt H2 ktc, bit MA < 100 Vy A cú cụng thc cu to thu gn l A CH3OH B C2H5OH C C3H6(OH)2 D C3H5(OH)3 Cõu 28: Cú hai thớ nghim sau : TN 1: Cho gam ancol no, mch h, n chc A tỏc dng vi m gam Na, thu c 0,075 gam H2 TN 2: Cho gam ancol no, mch h, n chc A tỏc dng vi 2m gam Na, thu c khụng ti 0,1 gam H2 A cú cụng thc l A CH3OH B C2H5OH C C3H7OH D C4H7OH Cõu 29: Cho 12,8 gam dung dch ancol A (trong nc) cú nng 71,875% tỏc dng vi lng Na d thu c 5,6 lớt khớ (ktc) Cụng thc ca ancol A l A CH3OH B C2H4 (OH)2 C C3H5(OH)3 D C4H7OH Cõu 30: Ancol A tỏc dng vi Na d cho s mol H2 bng s mol A ó dựng t chỏy hon ton A c mCO2 = 1,833mH2O A cú cu to thu gn l A C2H4(OH)2 B C3H6(OH)2 C C3H5(OH)3 D C4H8(OH)2 Cõu 31: un 12 gam axit axetic vi 13,8 gam etanol (cú H2SO4 c lm xỳc tỏc) n phn ng t ti trng thỏi cõn bng thu c 11 gam este Hiu sut ca phn ng este hoỏ l A 55% B 50% C 62,5% D 75% Cõu 32: 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 0,342 B 2,925 C 2,412 D 0,456 o Cõu 33: Khi un núng butan-2-ol vi H2SO4 c 170 C thỡ nhn c sn phm chớnh l A but-2-en B ibutyl ete C ietyl ete D but-1-en Cõu 34: Khi un núng s ancol CH4O, C2H6O, C3H8O vi xỳc tỏc, nhit thớch hp ch thu c olefin nht thỡ ancol ú l A CH4O v C2H6 B CH4O v C3H8O C A, B ỳng D C3H8O v C2H6O Cõu 35: Khi tỏch nc ca ancol C4H10O c hn hp anken ng phõn ca (tớnh c ng phõn hỡnh hc) Cụng thc cu to thu gn ca ancol l A CH3CHOHCH2CH3 B (CH3)2CHCH2OH C (CH3)3COH D CH3CH2CH2CH2OH Cõu 36: Hp cht hu c X cú cụng thc phõn t l C5H12O, tỏch nc to hn hp anken ng phõn (k c ng phõn hỡnh hc) X cú cu to thu gn l A CH3CH2CHOHCH2CH3 B (CH3)3CCH2OH C (CH3)2CHCH2CH2OH D CH3CH2CH2CHOHCH3 Cõu 37: Khi un núng hn hp ancol etylic v ancol isopropylic vi H2SO4 c 140oC cú th thu c s ete ti a l A B C D Cõu 38: Khi un núng hn hp gm C2H5OH v C3H7OH vi H2SO4 c 140oC cú th thu c s ete ti a l A B C D Truy cp vo: http://tuyensinh247.com/ hc Toỏn Lý Húa Sinh Vn - Anh tt nht! Like page nhn nhiu ti liu hn: https://www.facebook.com/tailieupro/ Fanpage: 2000 ễn Thi Quc Gia 2018 - Ti liu ụn thi s VN Cõu 39: un núng hn hp gm ancol l AOH, BOH v ROH vi H2SO4 c 140oC thỡ thu c ti a bao nhiờu ete ? A B C D Cõu 40: un núng hn hp n ancol n chc khỏc vi H2SO4 c 140oC thỡ s ete thu c ti a l n(n 1) 2n(n 1) n2 A B C D n! 2 SO c , 170o C Cõu 41: Cho s chuyn húa : But-1-en HCl E A NaOH B H Tờn ca E l A propen B ibutyl ete C but-2-en D isobutilen https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/ Cõu 42: un núng hn hp gm hai ru (ancol) n chc, mch h, k tip dóy ng ng vi H2SO4 c 140oC Sau cỏc phn ng kt thỳc, thu c gam hn hp gm ba ete v 1,8 gam nc Cụng thc phõn t ca hai ru trờn l A CH3OH v C2H5OH B C2H5OH v C3H7OH C C3H5OH v C4H7OH D C3H7OH v C4H9OH Cõu 43: un núng t t hn hp etanol v propan-2-ol vi H2SO4 c cú th thu c ti a s sn phm hu c l A B C D Cõu 44: Cú bao nhiờu ng phõn ng vi cụng thc phõn t C8H10O, u l dn xut ca benzen, tỏch nc cho sn phm cú th trựng hp to polime ? A B C D Cõu 45: A l ancol n chc cú % O (theo lng) l 18,18% A cho phn ng tỏch nc to anken A cú tờn l A Pentan-1-ol B 2-metylbutan-2-ol C pentan-2-ol D 2,2-imetyl propan-1-ol Cõu 46: hirat húa 14,8 gam ancol thu c 11,2 gam anken CTPT ca ancol l A C2H5OH B C3H7OH C C4H9OH D CnH2n + 1OH Cõu 47: un núng hn hp X gm ancol n chc liờn tip dóy ng ng vi H2SO4 c 140oC Sau phn ng c hn hp Y gm 5,4 gam nc v 19,4 gam ete Hai ancol ban u l A CH3OH v C2H5OH B C2H5OH v C3H7OH C C3H5OH v C4H7OH D C3H7OH v C4H9OH Cõu 48: un núng hn hp X gm 0,1 mol CH3OH v 0,2 mol C2H5OH vi H2SO4 c 140oC, lng ete thu c l A 12,4 gam B gam C 9,7 gam D 15,1 gam Cõu 49: un núng ancol n chc X vi H2SO4 c 140oC thu c Y T hi ca Y i vi X l 1,4375 X l A CH3OH B C2H5OH C C3H7OH D C4H9OH Cõu 50: un núng hn hp hai ancol n chc, mch h vi H2SO4 c, thu c hn hp gm cỏc ete Ly 7,2 gam mt cỏc ete ú em t chỏy hon ton, thu c 8,96 lớt khớ CO2 ( ktc) v 7,2 gam H2O Hai ancol ú l A C2H5OH v CH2=CHCH2OH B C2H5OH v CH3OH C CH3OH v C3H7OH D CH3OH v CH2=CHCH2OH Cõu 51: Khi un núng mt ancol n chc no A vi H2SO4 c iu kin nhit thớch hp thu c sn phm B cú t hi so vi A l 0,7 Vy cụng thc ca A l A C4H7OH B C3H7OH C C3H5OH D C2H5OH Cõu 52: un núng mt ru (ancol) n chc X vi dung dch HSO4 c iu kin nhit thớch hp sinh cht hu c Y, t hi ca X so vi Y l 1,6428 Cụng thc phõn t ca X l A C3H8O B C2H6O C CH4O D C4H8O Truy cp vo: http://tuyensinh247.com/ hc Toỏn Lý Húa Sinh Vn - Anh tt nht! Like page nhn nhiu ti liu hn: https://www.facebook.com/tailieupro/ Fanpage: 2000 ễn Thi Quc Gia 2018 - Ti liu ụn thi s VN Cõu 53: Ch dóy cỏc cht tỏch nc to anken nht ? A Metanol ; etanol ; butan -1-ol B Etanol ; butan -1,2-iol ; 2-metylpropan-1-ol C Propanol-1; 2-metylpropan-1-ol ; 2,2 imetylpropan -1-ol D Propan-2-ol ; butan -1-ol ; pentan -2-ol Cõu 54: Ancol X tỏch nc ch to mt anken nht t chỏy mt lng X c 11 gam CO2 v 5,4 gam H2O X cú th cú bao nhiờu cụng thc cu to phự hp ? A B C D Cõu 55: un núng hn hp X gm ancol n chc no (cú H2SO4 c lm xỳc tỏc) 140oC Sau phn ng c hn hp Y gm 21,6 gam nc v 72 gam ba ete cú s mol bng Cụng thc ancol núi trờn l A CH3OH v C2H5OH B C2H5OH v C3H7OH C C2H5OH v C3H7OH D C3H7OH v C4H9OH Cõu 56: un núng V (ml) ancol etylic 95o vi H2SO4 c 170oC c 3,36 lớt khớ etilen (ktc) Bit hiu sut phn ng l 60% v ancol etylic nguyờn cht cú d = 0,8 g/ml Giỏ tr ca V (ml) l A 8,19 B 10,18 C 12 D 15,13 Cõu 57: Ancol no b oxi húa to xeton ? A propan-2-ol B butan-1-ol C 2-metyl propan-1-ol D propan-1-ol https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/ Cõu 58: Ancol no n chc tỏc dng c vi CuO to anehit l A ancol bc B ancol bc C ancol bc D ancol bc v ancol bc Cõu 59: Oxi húa gam ancol no X thu c 5,8 gam anehit CTPT ca ancol l A CH3CH2OH B CH3CH(OH)CH3 C CH3CH2CH2OH D Kt qu khỏc Cõu 60: Cho m gam ancol n chc, no, mch h qua bỡnh ng CuO (d) nung núng Sau phn ng xy hon ton, lng cht rn bỡnh gim 0,32 gam Hn hp thu c cú t hi i vi H2 l 19 Giỏ tr m l A 1,48 gam B 1,2 gam C 0,92 gam D 0,64 gam Cõu 61: Oxi húa gam ancol n chc A bng oxi khụng khớ (cú xỳc tỏc v un núng) thu c 5,6 gam hn hp anehit, ancol d v nc A cú cụng thc l A CH3OH B C2H5OH C C3H5OH D C3H7OH Cõu 62: Oxi húa gam ancol n chc A bng oxi khụng khớ (cú xỳc tỏc v un núng) thu c 8,4 gam hn hp anehit, ancol d v nc Phn trm A b oxi húa l A 60% B 75% C 80% D 53,33% Cõu 63: Dn m gam hi ancol n chc A qua ng ng CuO (d) nung núng Sau phn ng hon ton thy lng cht rn ng gim 0,5m gam Ancol A cú tờn l A metanol B etanol C propan-1-ol D propan-2-ol Cõu 64: Dn hi C2H5OH qua ng ng CuO nung núng c hn hp X gm anehit, ancol d v nc Cho X tỏc dng vi Na d c 4,48 lớt H2 ktc Khi lng hn hp X l (bit ch cú 80% ancol b oxi húa) A 13,8 gam B 27,6 gam C 18,4 gam D 23,52 gam Cõu 65: Dn hi C2H5OH qua ng ng CuO nung núng c 11,76 gam hn hp X gm anehit, ancol d v nc Cho X tỏc dng vi Na d c 2,24 lớt H2 ( ktc) % ancol b oxi hoỏ l A 80% B 75% C 60% D 50% Cõu 66: t chỏy mt ancol X c n H 2O n CO Kt lun no sau õy l ỳng nht? A X l ancol no, mch h B X l ankaniol C X l ankanol n chc D X l ancol n chc mch h Cõu 67: Khi t chỏy ng ng ca ancol n chc thy t l s mol n CO : n H O tng dn Ancol trờn thuc dóy ng ng ca A ancol khụng no B ancol no C ancol thm D khụng xỏc nh c Truy cp vo: http://tuyensinh247.com/ hc Toỏn Lý Húa Sinh Vn - Anh tt nht! Like page nhn nhiu ti liu hn: https://www.facebook.com/tailieupro/ Fanpage: 2000 ễn Thi Quc Gia 2018 - Ti liu ụn thi s VN Cõu 68: t chỏy hon ton m gam ancol n chc A c 6,6 gam CO2 v 3,6 gam H2O Giỏ tr m l A 10,2 gam B gam C 2,8 g am D gam Cõu 69: t chỏy mt ancol n chc, mch h X thu c CO2 v hi nc theo t l th tớch VCO : VH 2O : CTPT ca X l A C4H10O B C3H6O C C5H12O D C2H6O Cõu 70: t chỏy mt ancol a chc thu c H2O v CO2 cú t l mol n H O : n CO : Vy ancol ú l A C3H8O2 B C2H6O2 C C4H10O2 D tt c u sai Cõu 71: Khi t chỏy mt ancol a chc thu c nc v khớ CO2 theo t l lng m H O : m CO 27 : 44 CTPT ca ancol l A C5H10O2 B C2H6O2 C C3H8O2 D C4H8O2 Cõu 72: t chỏy hon ton 5,8 gam ancol n chc X thu c 13,2 gam CO2 v 5,4 gam H2O Xỏc nh X A C4H7OH B C2H5OH C C3H5OH D tt c u sai Cõu 73: Ba ancol X, Y, Z u bn v cú lng phõn t khỏc t chỏy mi cht u sinh CO2 v H2O theo t l mol n CO2 : n H 2O = : Vy CTPT ba ancol l A C2H6O ; C3H8O ; C4H10O B C3H8O ; C3H8O2 ; C3H8O3 C C3H8O ; C4H10O ; C5H10O D C3H6O ; C3H6O2 ; C3H6O3 Cõu 74: t chỏy ru A bng O2 va nhn thy: nCO2 : nO2 : nH2O = : 5: A cú cụng thc phõn t l A C2H6O B C2H6O2 C C3H8O D C4H10O https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/ Cõu 75: t chỏy ancol ch cha mt loi nhúm chc A bng O2 va nhn thy : nCO2 : nO2 : nH2O = 6: 7: A cú c im l A Tỏc dng vi Na d cho nH2 = 1,5nA B Tỏc dng vi CuO un núng cho hp cht a chc C Tỏch nc to thnh mt anken nht D Khụng cú kh nng hũa tan Cu(OH)2 Cõu 76: Ancol n chc A chỏy cho mCO2 : mH2O = 11: t chỏy hon ton mol A ri hp th ton b sn phm chỏy vo 600 ml dung dch Ba(OH)2 1M thỡ lng kt ta l A 11,48 gam B 59,1gam C 39,4gam D 19,7gam Cõu 77: X l mt ancol no, mch h t chỏy 0,05 mol X cn gam oxi X cú cụng thc l A C3H5(OH)3 B C3H6(OH)2 C C2H4(OH)2 D C4H8(OH)2 Cõu 78: t chỏy hon ton ancol X c CO2 v H2O cú t l mol tng ng l 3: 4, th tớch oxi cn dựng t chỏy X bng 1,5 ln th tớch CO2 thu c (o cựng k) X l A C3H8O B C3H8O2 C C3H8O3 D C3H4O Cõu 79: X l mt ancol (ru) no, mch h t chỏy hon ton 0,05 mol X cn 5,6 gam oxi, thu c hi nc v 6,6 gam CO2 Cụng thc ca X l A C3H5(OH)3 B C3H6(OH)2 C C2H4(OH)2 D C3H7OH Cõu 80: X l hn hp ancol n chc, cựng dóy ng ng, cú t l lng 1:1 t chỏy ht X c 21,45 gam CO2 v 13,95 gam H2O Vy X gm ancol l A CH3OH v C2H5OH B CH3OH v C4H9OH C CH3OH v C3H7OH D C2H5OH v C3H7OH Cõu 81: t chỏy hon ton a gam ancol X ri hp th ton b sn phm chỏy vo bỡnh nc vụi d thy ab lng bỡnh tng b gam v cú c gam kt ta Bit b = 0,71c v c = X cú cu to thu gn l 1,02 A C2H5OH B C2H4(OH)2 C C3H5(OH)3 D C3H6(OH)2 Cõu 82: t chỏy hon ton a gam hn hp gm metanol v butan-2-ol c 30,8 gam CO2 v 18 gam H2O Giỏ tr a l A 30,4 gam B 16 gam C 15,2 gam D 7,6 gam Truy cp vo: http://tuyensinh247.com/ hc Toỏn Lý Húa Sinh Vn - Anh tt nht! Like page nhn nhiu ti liu hn: https://www.facebook.com/tailieupro/ Fanpage: 2000 ễn Thi Quc Gia 2018 - Ti liu ụn thi s VN https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/ Cõu 83: t chỏy hon ton 0,4 mol hn hp X gm ancol metylic, ancol etylic v ancol isopropylic ri hp th ton b sn phm chỏy vo nc vụi d c 80 gam kt ta Th tớch oxi (ktc) ti thiu cn dựng l A 26,88 lớt B 23,52 lớt C 21,28 lớt D 16,8 lớt Cõu 84: t chỏy hn hp X gm ancol cú s mol bng thu c hn hp CO2 v H2O theo l mol tng ng : X gm A CH3OH v C2H5OH C C2H5OH v C2H4(OH)2 B C3H7OH v C3H6(OH)2 D C2H5OH v C3H7OH Cõu 85: t chỏy hon ton a mol ancol A c b mol CO2 v c mol H2O Bit a = c - b Kt lun no sau õy ỳng ? A A l ancol no, mch vũng B A l ancol no, mch h C A la 2ancol cha no C A l ancol thm Cõu 86: t chỏy mt lng ancol A cn va 26,88 lớt O2 ktc, thu c 39,6 gam CO2 v 21,6 gam H2O A cú cụng thc phõn t l A C2H6O B C3H8O C C3H8O2 D C4H10O Cõu 87: Cho hn hp X gm hai ancol a chc, mch h, thuc cựng dóy ng ng t chỏy hon ton hn hp X, thu c CO2 v H2O cú t l mol tng ng l : Hai ancol ú 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 Cõu 88: Khi t chỏy hon ton m gam hn hp hai ancol no, n chc, mch h thu c V lớt khớ CO2 ( ktc) v a gam H2O Biu thc liờn 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 Cõu 89: t chỏy hon ton 0,2 mol mt ancol X no, mch h cn va 17,92 lớt khớ O2 ( ktc) Mt khỏc, nu cho 0,1 mol X tỏc dng va vi m gam Cu(OH)2 thỡ to thnh dung dch cú mu xanh lam Giỏ tr ca m v tờn 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 Cõu 90: a Khớ CO2 sinh lờn men ru mt lng glucoz c dn vo dung dch Ca(OH)2 d to c 40g kt ta Khi lng ancol etylic thu c l A 18,4 gam B 16,8 gam C 16,4 gam D 17,4 gam b Nu hiu sut phn ng lờn men l 80% thỡ lng glucoz ó dựng l bao nhiờu gam ? A 45 gam B 90 gam C 36 gam D 40 gam Cõu 91: Cho m gam tinh bt lờn men thnh C2H5OH vi hiu sut 81%, hp th ht lng CO2 sinh vo dung dch Ca(OH)2 c 55 gam kt ta v dung dch X un núng dung dch X li cú 10 gam kt ta na Giỏ tr m l A 75 gam B 125 gam C 150 gam D 225 gam Cõu 92: Th tớch ancol etylic 92o cn dựng l bao nhiờu iu ch c 2,24 lớt C2H4 (ktc) Cho bit hiu sut phn ng t 62,5% v d = 0,8 g/ml A ml B 10 ml C 12,5ml D 3,9 ml o Cõu 93: i t 150 gam tinh bt s iu ch c bao nhiờu ml ancol etylic 46 bng phng phỏp lờn men ancol? Cho bit hiu sut phn ng t 81% v d = 0,8 g/ml A 46,875 ml B 93,75 ml C 21,5625 ml D 187,5 ml Cõu 94: Khi lng ca tinh bt cn dựng quỏ trỡnh lờn men to thnh lớt ru (ancol) etylic 46 l (bit hiu sut ca c quỏ trỡnh l 72% v lng riờng ca ru etylic nguyờn cht l 0,8 g/ml) A 5,4 kg B 5,0 kg C 6,0 kg D 4,5 kg Cõu 95: Lờn men hon ton m gam glucoz thnh ancol etylic Ton b khớ CO2 sinh quỏ trỡnh ny c hp th ht vo dung dch Ca(OH)2 d to 40 gam kt ta Nu hiu sut ca quỏ trỡnh lờn men l 75% thỡ giỏ tr ca m l A 60 B 58 C 30 D 48 Truy cp vo: http://tuyensinh247.com/ hc Toỏn Lý Húa Sinh Vn - Anh tt nht! Like page nhn nhiu ti liu hn: https://www.facebook.com/tailieupro/ Fanpage: 2000 ễn Thi Quc Gia 2018 - Ti liu ụn thi s VN Cõu 96: Lờn men m gam glucoz vi hiu sut 90%, lng khớ CO2 sinh hp th ht vo dung dch nc vụi trong, thu c 10 gam kt ta Khi lng dung dch sau phn ng gim 3,4 gam so vi lng dung dch nc vụi ban u Giỏ tr ca m l A 20,0 B 30,0 C 13,5 D 15,0 Cõu 97: X l hn hp gm phenol v ancol n chc A Cho 25,4 gam X tỏc dng vi Na (d) c 6,72 lớt H2 ( ktc) A l A CH3OH B C2H5OH C C3H5OH D C4H9OH Cõu 98: Cú bao nhiờu hp cht hu c C7H8O va tỏc dng vi Na, va tỏc dng vi NaOH ? A B C D Cõu 99: A l hp cht cú cụng thc phõn t C7H8O2 A tỏc dng vi Na d cho s mol H2 bay bng s mol NaOH cn dựng trung hũa cng lng A trờn Ch cụng thc cu to thu gn ca A A C6H7COOH B HOC6H4CH2OH C CH3OC6H4OH D CH3C6H3(OH)2 Cõu 100: Khi t chỏy 0,05 mol X (dn xut benzen) thu c di 17,6 gam CO2 Bit mol X phn ng va vi mol NaOH hoc vi mol Na X cú cụng thc cu to thu gn l A CH3C6H4OH B CH3OC6H4OH C HOC6H4CH2OH D.C6H4(OH)2 10 11 12 13 14 15 16 17 18 19 20 B D B B C B C D A C D D C C D A C A A D 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 B C A A B B D D C B C B A C A D A A D A 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/ P N C A C B C C A C A D D B B C A D A C C B 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 A C A D A A B D A B B C B B A C C A A C 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 B C A C B C C D B A,A A B D D D D A C B C Truy cp vo: http://tuyensinh247.com/ hc Toỏn Lý Húa Sinh Vn - Anh tt nht! Like page nhn nhiu ti liu hn: https://www.facebook.com/tailieupro/ ... https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/https://www.facebook.com/tailieupro/ Cõu 58: Ancol no n chc tỏc dng c vi CuO to anehit l A ancol bc B ancol bc C ancol bc D ancol bc v ancol bc Cõu 59: Oxi húa gam ancol no X thu c 5,8 gam anehit CTPT ca ancol l A CH3CH2OH... ankanol n chc D X l ancol n chc mch h Cõu 67: Khi t chỏy ng ng ca ancol n chc thy t l s mol n CO : n H O tng dn Ancol trờn thuc dóy ng ng ca A ancol khụng no B ancol no C ancol thm D khụng xỏc... H2O Bit a = c - b Kt lun no sau õy ỳng ? A A l ancol no, mch vũng B A l ancol no, mch h C A la 2ancol cha no C A l ancol thm Cõu 86: t chỏy mt lng ancol A cn va 26,88 lớt O2 ktc, thu c 39,6 gam