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BÀI TẬP TỔNG HỢP HIDROCACBON THƠM
Fanpage: 2000 ễn Thi Quc Gia 2018 - Ti liu ụn thi s VN BI TP TNG HP HIDROCACBON THM I CU HI, BI TP T LUN Cõu Vit cụng thc cu to thu gn v gi tờn cỏc hirocacbon thm cú cụng thc phõn t C8H10 Cõu Hon thnh cỏc phng trỡnh phn ng xy di õy (khi t l s mol l : 1) : FeCl C6H6 + Cl2 A FeCl A + Cl2 B1 v B2 H SO C6H6 + HNO3 C o H SO ,t D C + HNO3 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 T ngun nguyờn liu chớnh l khớ thiờn nhiờn vi cỏc cht vụ c v iu kin cn thit, vit cỏc phng trỡnh húa hc ca phn ng iu ch : cao su buna, polivinylclorua, toluen, polistiren, hexacloran, xiclohexan Cõu T butan, cỏc cht vụ c v iu kin cn thit, vit cỏc phng trỡnh húa hc ca phn ng iu ch etylbenzen, polistiren Cõu Vit phng trỡnh húa hc ca phn ng nitro hoỏ : a) 1-brom-3-clobenzen b) 1-clo-3-metylbenzen Vi sn phm cú t l % ln nht Cõu Vit cỏc phng trỡnh húa hc (sn phm chớnh, t l mol : 1) : a) CH3 CH = CH CH2 CH3 + HCl b) buta-1,3-ien + etilen 200 o 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 xúctác H c) benzen + propen d) toluen + KMnO4 môi trường H e) FCH2 CH=CH2 + HBr Cõu Cú hirocacbon thm : C8 H10 (A) ; C8 H10 (B) ; C9H12 (C) ; C9 H12 (D) Thc hin phn ng ca cỏc hirocacbon vi Br2/Fe (t l mol : 1) c cỏc dn xut monobrom nh sau : a) A cho sn phm th b) B cho sn phm th c) C cho sn phm th d) D cho sn phm th Vit cụng thc cu to ca A ; B ; C ; D Cõu Vit cỏc PTHH thc hin dóy chuyn hoỏ sau, bit cỏc phn ng din theo 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/ t l mol : 1, cỏc cht sau phn ng u l sn phm chớnh +Br2 Fe (B) KOH to cao ; p cao (C) +Br2 as (D) KOH/C2H5OH to (E) C3H7-C6H5 (A) Br2/H2O (F) KOH/H2O to (G) Cõu t chỏy hon ton hirocacbon A, sau phn ng thu c 15,68 lớt CO2 (ktc) v 7,2 gam H2O Tỡm CTPT ca A, bit A phn ng vi dung dch KMnO4 thu c axit benzoic Vit PTHH ca phn ng Cõu 10 t chỏy hon ton a g hn hp X gm hirocacbon thm A v B l ng ng k tip thuc dóy ng ng ca benzen Sau phn ng thu c 7,84 lớt CO2 (ktc)v 3,33 g H2 O Xỏc nh CTCT ca A v B Cõu 11 Cho 21 g hn hp axetilen v toluen phn ng vi dung dch KMnO4 /H2 SO4 loóng Sau phn ng thu c 33,4 g hn hp hai axit Tớnh thnh phn phn trm lng ca mi cht hn hp ban u 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 12 Cho 24,4 g hn hp toluen v etylbenzen tỏc dng vi dung dch KMnO4/H2SO4 loóng Sau phn ng thy lng KMnO4 cn dựng l 60,04 gam Tớnh lng ca axit to thnh sau phn ng Cõu 13 Ngi ta tin hnh iu ch thuc n TNT t metan Tớnh lng metan cn dựng iu ch kg thuc n, bit hiu sut ca c quỏ trỡnh l 40% Cõu 14 Cho g hn hp X gm hai hirocacbon thm hn kộm nguyờn t cacbon vo dung dch brom d thy lng brom b mt mu l 3,2 g Bit phõn t ca mi cht hn hp u nh hn 106 Xỏc nh cụng thc ca hai hirocacbon trờn v % lng ca mi cht hn hp X Cõu 15 t chỏy hon ton 1,04 gam mt hp cht hu c X cn va 2,24 lớt khớ O2 (ktc), ch thu c khớ CO2, hi H2O theo t l th tớch VCO2 : VH2O = : cựng iu kin nhit v ỏp sut Xỏc nh cụng thc phõn t, cụng thc cu to ca X, bit t hi ca X so 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/ vi hiro bng 52, X cha vũng benzen v tỏc dng c vi dung dch brom Vit phng trỡnh húa hc xy II CU HI, BI TP TRC NGHIM KHCH QUAN Cõu Hp cht CH2 CH2 CH2 CH3 cú tờn l gỡ ? CH3 CH2 CH3 A -Butyl -3-metyl -4-etylbenzen B -Butyl -4- etyl -3-metylbenzen C.1- Etyl -2-metyl -4-butylbenzen D.4- Butyl -1-etyl -2-metylbenzen CH3 Cõu Hp cht CH3 CH2 cú tờn l gỡ ? CH3 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 A 1,4 -imetyl -6-etylbenzen B 1,4 -imeyl -2-etylbenzen C 2- Etyl -1,4-imetylbenzen D 1- Etyl -2,5-imetylbenzen Cõu Tờn gi ca hp cht no sau õy khụng ỳng ? H2C H C C CH2 CH3 A H C : isopren : naphtalen B CH H 3C : stiren C CH : p-xilen D Cõu Hp cht no s cỏc hp cht sau thuc dóy ng ng aren? A C9H10 B C7H8 C C8H8 D C7H10 Cõu Hp cht thm C8 H10 cú bao nhiờu ng phõn? A B C D 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 Phn ng no di õy lm thay i cu to ca nhõn thm ? o as , 50 B benzen + Cl2 as A toluen + Cl C stiren + Br2 D toluen + KMnO4 + H2SO4 Cõu Phn ng no di õy khụng to thnh etyl benzen ? AlCl A toluen + CH3 Cl AlCl B benzen + CH3-CH2Cl H , Ni / t C stiren + H2 AlCl D benzen + CH2=CH2 Cõu Sn phm chớnh oxi húa cỏc alkyl benzen bng KMnO4 l cht no sau õy? A C6H5 COOH B C6H5 CH2COOH C C6H5 CH2CH2 COOH D CO2 Cõu Hirocacbon X cú cụng thc cu to 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 CH3 CH3 Khi tỏc dng vi brom cú mt bt st, X to c my dn xut monobrom? A Mt B Hai C Ba D Bn Cõu 10 Hirocacbon X ng ng ca benzen cú cụng thc phõn t C8 H10 Khi X tỏc dng vi brom cú hoc khụng cú mt bt st, mi trng hp ch to thnh mt dn xut monobrom nht Cụng thc cu to ca X l CH3 CH3 CH3 CH2CH3 CH3 CH3 B CH3 C D 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 Cõu 11 Hirocacbon X cú phn trm lng C xp x bng 90,56% T hi ca X so vi oxi bng 3,25 Cụng thc phõn t ca X l A C8H8 B C8H10 C C7H10 D C9H12 Cõu 12 Hirocacbon thm X cú phn trm lng C xp x bng 92,31% Khi X tỏc dng vi brom dung dch to dn xut ibrom Y ú phn trm lng brom bng 60,61% Cụng thc cu to ca X l CH=CH2 CH=CH2 CH=CH2 CH2CH3 CH3 A CH3 B C D Cõu 13 Khi un núng hp cht thm X cú cụng thc phõn t C8H10 vi dung dch KMnO4 sau ú axit húa dung dch, thu c cht kt ta M Trong M, phn trm lng oxi bng 26,23% Cụng thc cu to ca X l 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 CH3 CH3 CH3 CH2CH3 CH3 A CH3 CH3 B C D Cõu 14 Stiren cú cụng thc cu to no di õy? CH=CH2 CH2CH3 CH=CH2 CH=CH2 CH3 A CH3 B C D Cõu 15 Khi cho naphtalen tỏc dng vi axit HNO3 (cú axit H2SO4 lm xỳc tỏc) cú th thu c sn phm chớnh l 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/ NO2 A NO2 B O2 N NO2 C NO2 D NO2 Cõu 16 Xy phn ng cng trng hp no sau õy ? 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 + Cl2 A + Cl2 C CH3 Fe, to as + Cl2 B CH3 as Fe,to + Br2 D Cõu 17 Cho chui bin hoỏ sau : Y o o o , xt , xt , xt C2H2 + H2 t X Z t T (+ H2 ) t polistiren Kt lun no sau õy ỳng : A X l C2H6 B Z l C6H5 CH2 CH3 C Y l C6H5 Cl D T l C6H5 CH2CH3 Cõu 18 Dựng nc brom lm thuc th cú th phõn bit cp cht no di õy? B Toluen v stiren C Etilen v propilen D Etilen v stiren 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 Metan v etan Cõu 19 Xột s phn ng: X Y TNT (thuc n) X v Y l nhng cht no? A X l toluen, Y l heptan B X l benzen, Y l toluen C X l hexan, Y l toluen D X l hexen, Y l benzen Cõu 20 Th tớch khụng khớ (ktc) cn dựng t chỏy hon ton 0,1 mol benzen l A 84 lớt B 74 lớt C 82 lớt D 83 lớt Cõu 21 Lng clobenzen thu c cho 15,6g C6 H6 tỏc dng ht vi Cl2 (xỳc tỏc bt Fe) hiu sut phn ng t 80% l A 14g Cõu 22 A H2 B 16g C 18g D 20g Thnh phn chớnh ca khớ thiờn nhiờn l khớ no s cỏc khớ sau? B CO C CH4 D C2H4 Cõu 23 Hirocacbon X l ng ng ca benzen cú cụng thc thc nghim (C3 H4)n X cú cụng thc phõn t no di õy? 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 A C12H16 B C9H12 C C15H20 D C12H16 hoc C15H20 Cõu 24 Khi cho toluen (C6 H5 CH3 ) tỏc dng vi Cl2 theo t l mol 1:1 (askt) thu c sn phm th l cht no di õy? H 2C Cl CH Cl A B CH CH CH Cl C D Cl v Cl Cõu 25 Khi trựng hp buta 1,3ien ngoi cao su Buna ta cũn thu mt sn phm ph A, bit rng hiro hoỏ A thu c etylxiclohexan Cụng thc cu to ca 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 l cht no di õy? A CH B C CH = CH D CH - CH3 CH = CH Cõu 26 Hirocacbon A cú cụng thc dng (CH)n mt mol A phn ng va vi mol H2 (Ni, t0) hoc mt mol Br2 (trong dung dch) Cụng thc cu to ca A l cht no di õy? A CHCH B CH C CH=CH2 HC C CH 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 27 Ch dựng mt thuc th no di õy cú th phõn bit c cỏc cht benzen, stiren, etylbenzen? A Dung dch KMnO4 B Dung dch brom C Oxi khụng khớ D Dung dch HCl Cõu 28 Dựng 39 gam C6 H6 iu ch toluen Khi lng toluen to thnh l A 78 g B 46 g C 92g D 107 g Cõu 29 iu ch benzen bng cỏch trựng hp hon ton 5,6 lit axetylen (ktc) thỡ lng benzen thu c l A 26g B 13g C 6,5g D.52g Cõu 30 Sn phm to phn ng no sau õy khụng ỳng ? CH3 B + Cl2 Cl Fe, to + HCl CH2Cl Fe, to 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 + Cl2 + HCl NO2 o C +HNO3 CH=CH2 D + H2 O t ,xt H+ , t o + H 2O CHOH -CH3 Cõu 31 Hirocacbon X cú t hi so vi hiro l 46 X khụng lm mt mu dung dch KMnO4 nhit thp, nhng un núng s lm mt mu dung dch KMnO4 v to sn phm Y cú cụng thc phõn t l C7H5 O2K Cho Y tỏc dng vi dung dch H2 SO4 loóng thỡ to thnh sn phm Z cú cụng thc phõn t l C7H6 O2 Cụng thc cu to ca X, Y, Z ln lt l 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/ Fanpage: CH CH3 B CH3 C CH3 A 2000 ễn Thi Quc Gia 2018 - Ti liu ụn thi s VN COOK ; COOH A ; ; CH CH3 ; ; HO OK KO ; HO + NaOH loãng, dư OH CH CH3 OH OH ; OK OH CH CH3 OH HO OH D ; Cõu 32 Cho phn ng sau: CH 2Cl Cl t0 sản phẩm hữu X X cú cụng thc cu to no di õy? CH 2OH CH 2ONa OH OH B 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/ 10 Fanpage: 2000 ễn Thi Quc Gia 2018 - Ti liu ụn thi s VN CH 2OH CH 2OH ONa Cl C D HNG DN GII V P N I T LUN Cõu 1- Cỏc hirocacbon thm cú cụng thc C8 H10 : CH3 CH3 CH3 CH2 - CH3 CH3 CH3 etylbenzen o-đimetylbenzen m-đimetylbenzen CH3 p-đimetylbenzen Cõu FeCl 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/ C6H6 + Cl2 C6H5 Cl + HCl Cl Cl Cl FeCl3 + Cl2 Cl + HCl Cl H SO C6H6 + HNO3 C6H5 NO2 + H2 O NO2 NO2 + HNO3 H2SO4,to + H2 O NO2 Cõu a) 2CH4 1500o C CH CH + 3H2 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/ 11 Fanpage: 2000 ễn Thi Quc Gia 2018 - Ti liu ụn thi s VN o xt,t 2CH CH CH C CH = CH2 o Pd, t CH C CH = CH2 + H2 CH = CH CH = CH o xt,t , Na nCH2 = CH CH = CH2 CH CH CH CH n (cao su buna) o t ,xt b) CH CH + HCl CH2 = CH Cl o t ,xt nCH2 = CH Cl CH2 CH poli(vinyl clorua) | Cl n o 600 C c) 3CH CH C6 H6 C as CH4 +Cl2 CH3 Cl + HCl AlCl3 C6H6 + CH3Cl o C H5CH + HCl 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/ t toluen AlCl3 d) C6H6 + CH2 = CH Cl C6 H5 CH = CH2 + HCl o xt,t nC6H5 CH = CH2 CH CH | C H5 n polistiren e) f) as C6H6 + 3Cl2 C6H6 Cl6 + 3H2 Ni xiclohexan crăckinh Cõu CH3 CH2 CH2 CH3 CH4 + CH2 =CHCH3 o t ,p 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/ 12 Fanpage: 2000 ễn Thi Quc Gia 2018 - Ti liu ụn thi s VN o 1500 C 2CH4 C2 H2 + 3H2 xt o 600 C 3C2H2 C6 H6 C o Ni,t C2H2 + 2H2 C2 H6 as C2 H5 Cl + HCl C2H6 + Cl2 AlCl3 C6H5C2 H5 + HCl C2H5 Cl + C6 H6 o t C etylbenzen Al2O3 C6H5 C2 H5 o C6 H CH=CH + H 650 C o xt,t nC6H5 CH = CH2 CH CH | C H5 n 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/ polistiren Cõu Vit PTHH ca phn ng nitro hoỏ : a) Cl Cl + HNO3 + H2O Br Br NO2 b) CH3 CH3 + HNO3 O2N Cl + H2O Cl Cõu Cỏc phng trỡnh phn ng : a) CH3CH=CHCH2CH3 + HCl CH3 CHClCH2 CH2CH3 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/ 13 Fanpage: b) 2000 ễn Thi Quc Gia 2018 - Ti liu ụn thi s VN CH2 CH2 CH + CH CH2 CH2 c) C6 H6 + CH2= CHCH3 CH3 CH CH | C H5 + d) C6 H5CH3 + 2KMnO4 + 2H+ C6 H5 COOH + 2MnO2 + 2K + 2H2 O e) FCH2CH=CH2 + HBr FCH2CH2 CH2Br Cõu CH3 CH3 CH3 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/ CH3 (B) (A) CH3 H3C CH3 CH3 H3C CH3 CH3 C2H5 (C) (D) Cõu Cỏc phng trỡnh húa hc : as C6H5 CH2CH2CH3 + Br2 C6 H5 CHBrCH2 CH3 + HBr (A) (D) C2H5OH C6 H5 CH=CHCH3 + KBr + H2O C6H5 CHBrCH2CH3 + KOH o t (D) (E) C6H5 CH=CHCH3 + Br2 C6H5 CHBr CHBrCH3 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/ 14 Fanpage: 2000 ễn Thi Quc Gia 2018 - Ti liu ụn thi s VN (E) (F) C6H5 CHBr CHBrCH3 + KOH C6 H5 CH(OH) CHBrCH3 + KBr (F) CH2 (G) CH2 CH3 + Br2 Fe, to Br CH2 (A) CH2 CH3 + HBr (B) Br CH2 CH2 CH3 + KOH HO (B) CH2 CH2 CH3 + KBr (C) Cõu Gi CTPT ca A l CxHy nCO = 15, 68 7, = 0,7 (mol) ; n H2O = = 0,4 (mol) 22, 18 Phng trỡnh húa hc ca phn ng chỏy : 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/ y y to C x H y x O2 xCO2 H O Ta cú x : y = 0,7 : (2 0,4) = : Cụng thc n gin ca A : (C7H8 )n tho vi n = CTPT A : C7H8 CTCT : C6 H5 CH3 A phn ng vi dung dch KMnO4 , PTHH : [O] C6H5 COOH C6H5CH3 5C6H5 CH3 + 6KMnO4 + 9H2 SO4 5C6 H5COOH + 6MnSO4 + 3K2 SO4 + 14H2 O Cõu 10 Gi CTPT ca hai hirocacbon l C n H2n 3n to O2 nCO2 (n 3)H O PTHH : C n H2n 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/ 15 Fanpage: n 0,35 = n - 0,185 2000 ễn Thi Quc Gia 2018 - Ti liu ụn thi s VN n = 6,36 CTPT ca A v B l C6 H6 v C7H8 CTCT : CH3 C6H6 C7H8 Cõu 11 Gi s mol C2 H2 l x (mol); C6 H5CH3 l y (mol) Theo bi ta cú : 26x + 92y = 21 (1) Phng trỡnh húa hc ca phn ng : 5C2H2 + 8KMnO4 + 12H2 SO4 5COOH + 4K2 SO4 + 8MnSO4 + 12H2 O | COOH 5C6H5 CH3 + 6KMnO4 + 9H2SO4 5C6H5COOH + 3K2SO4 + 6MnSO4 + 14H2O 90x + 122y = 33,4 (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/ T PTHH ta cú : 26x + 92y = 21 x 0,1 ; y 0, 90x + 122y = 33,4 T (1) v (2) cú : mC2H2 = 0,1 26 = 2,6 (g) %m C H2 2, 100% 12, 38(%) v %mC6H5CH3 100 12,38 87, 62(%) 21 Cõu 12 Gi s mol C6 H5CH3 l x mol s mol C6H5C2 H5 l y mol 5C6H5CH3 + 6KMnO4 + 9H2SO4 5C6H5COOH + 3K2SO4 + 6MnSO4 + 14H2O C6H5 C2 H5 + 2KMnO4 + 3H2SO4 C6 H5 COOH + HCOOH + K2SO4 + 2MnSO4 92x + 106y = 24,4 Theo bi ta cú h phng trỡnh : x 0,15 ; y 0,1 60, 04 x 2y 158 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/ 16 Fanpage: nC H5COOH 2000 ễn Thi Quc Gia 2018 - Ti liu ụn thi s VN = x + y = 0,15 + 0,1= 0,25 (mol) ; mC6H5COOH = 0,25 122= 30,5 (g) n HCOOH = y = 0,1 (mol); m HCOOH = 0,1 46 = 4,6 (g) maxit to thnh = 30,5+ 4,6 = 35,1 (g) Cõu 13 Cỏc PTHH : o 1500 C 2CH4 C2H2 + 3H2 o 600 C 3C2H2 C6 H6 C as CH3 Cl + HCl CH4 + Cl2 AlCl3 C6H6 + CH3Cl o C H5 CH + HCl t H2SO4 đ C6 H2CH3 (NO2 )3 + 3H2O C6H5 CH3 + 3HNO3 o t 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/ Ta cú : 6CH4 C2H2 C6 H5 CH3 C6H2 CH3(NO2)3 kg Khi lng CH4 theo lớ thuyt l 6.16 (kg) 275 vỡ hiu sut quỏ trỡnh l 40% mCH4 cn dựng l Cõu 14 Ta cú n Br2 = 6.16 100 = 0,8727 (kg) 275 40 3, = 0,02 (mol) 160 Nu hirocacbon cựng tham gia phn ng cng vi dung dch brom theo t l mol : thỡ s mol ca hirocacbon = n Br2 = 0,02 (mol) Khi lng mol trung bỡnh ca hai hirocacbon l : 0,02 = 150 g (loi) Nu hai hirocacbon tỏc dng vi dung dch brom theo t l mol : thỡ lng mol trung bỡnh ca hai hirocacbon l : 0,01 = 300 g (loi) 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/ 17 Fanpage: 2000 ễn Thi Quc Gia 2018 - Ti liu ụn thi s VN Vy ch cú th xy trng hp mt hirocacbon hn hp phn ng vi dung dch brom theo t l mol : thỡ s mol ca hirocacbon A l 0,02 mol Gi CTPT ca hirocacbon l C6 H5 CxHy Do M < 106 nờn 77 + 12x + y < 106 12x + y < 29 x < Tho vi x=1 Cụng thc hirocacbon l : C6 H5 CH3 v C6 H5 CH = CH2 Khi lng C6H5 CH=CH2 l 0,02 ỡ 104 = 2,08 (g) %mC6H5 CHCH2 l Cõu 15 Ta cú : n O2 2, 08.100% 69,33% 2, 24 0,1mol 22, Theo nh lut bo ton lng : mCO2 mH2O = 1,04 + 0,1 32 = 4,24 (gam) 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/ Vỡ VCO2 : VH2O = : n CO2 2n H2O t n H2O l x nCO2 l 2x mCO m H 2O = 44 2x + 18x = 4,24 x = 0,04 n C = nCO2 = 2x = 0,04 = 0,08 (mol) n H 2n H2O = 0,04 = 0,08 (mol) mC m H = 0,08 12 + 0,08 = 1,04 X khụng cú oxi n C 0, 08 Cụng thc thc nghim ca X l (CH)n cú MX = 13n n H 0, 08 MX = 52 = 104 (g) 13n = 104 n = Vy, cụng thc phõn t ca X l C8 H8 Vỡ D cha vũng benzen, tỏc dng vi dung dch Br2 cụng thc cu to ca X l 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/ 18 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/ Fanpage: Cõu 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 A B B D A B C B A 2000 ễn Thi Quc Gia 2018 - Ti liu ụn thi s VN CH C B B Like page nhn nhiu ti liu hn: A CH2 C6H5 CH=CH2 + Br2 C6H5 CHBrCH2Br II P N CU HI, BI TP TRC NGHIM KHCH QUAN Cõu 10 11 12 13 14 15 16 A D C B B A D A A C A B B D D D A B C https://www.facebook.com/tailieupro/ C C Truy cp vo: http://tuyensinh247.com/ hc Toỏn Lý Húa Sinh Vn - Anh tt nht! 19 ... 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/ Vỡ VCO2 : VH2O = : n CO2 2n H2O t n H2O l x nCO2 l 2x mCO m H 2O = 44 2x + 18x... 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/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/