11.15. S6' hgp chat la đng phan cáu tao, c6 cung c6ng thuc phan tir C4HXO2,
tac dung dugc vdi dung dich N a O H nhimg kh6ng tac dung duoc v6i Na la Ạ 3 B. 2
C. 4 , D. 1
1.16. H6n hgp X g6m hai este no, don chiJc, mach hd. DÓt chay hoan toan m6t lugng X cAn dung vira du 3,976 lit khi O2 (cr dktc), thu dugc 6,38 gam
CO2. Mat khac, X tac dung vdi dung dich N a O H , thu dugc mgt mu6i va ; hai ancol la dong dAng ke tiép. C6ng thiic phan tiir ciia hai este trong X la
Ạ C,H,02 va C4H,02 B. C2H4O2 va C,UJ\
C. C2H4O2 va C.H^Ọ D. C3H4O2 va C4H6O2
1.17. Xa phong hoa hoan toan 1,99 gam h6n hgp hai este bang dung dich N a O H thu dugc 2,05 gam mu6'i cua mot axit cacboxylic va 0,94 gam h6n
hgp ancol la dong dang ke tiCp nhaụ C6ng thiic cua hai este do la Ạ CH3COOC2H, va CH.COOC^H;.
B. Q H . C O O C H , va QHsCOOQH,.
C. C H . C O O C H , va C H . C O O C j H , . D. HCOOCH3 va HCOOQHv
11.18. Xa phong hoa hôn toan 66,6 gam h6n hgp hai este H C O O C j H , va
CH3COOCH;, bang dung dich N a O H , thu dugc h6n hgp X gdm hai ancol. Dun nong h6n hgp X vdi H2SO4 dac d 140"C, sau k h i phan ting xay ra hoan toan thu dugc m gam nudẹ Gia tri ciia m la
Ạ 4,05 B. 8,10 C. 16,20 D. 18,00
11.19. Xa phong hoa mdt hgp cha't cd cdng thiic phan tir C|„H|40f, trong dung
dich N a O H (du), thu dugc glixerol va hdn hgp gdm ba mud'i (khdng cd đng phan hinh hoc). Cdng thiJc ciia ba mud'i do la
Ạ CH2 = C H - C O O N a , CH3 - C H o - C O O N a va H C O O N a . B. CH3 - C O O N a , HCOONa va CH3 - C H = C H - C O O N a . C. C H j = C H - C O O N a , H C O O N a va C H = C - C O O N a . D. H C O O N a , C H = C - C O O N a va CH3 - C H j - C O O N a .
11.20. Thuy phan hoan toan 0,2 mol mCt este E c^n dung vira dii 100 gam
dung djch NaOH 24%, thu duoc m6t ancol va 43,6 gam h6n hop muoi cua hai axit cacboxylic don chiic. Hai axit do la
Ạ HCOOH va QH.COOH. B. HCOOH va CH.COOH. C. CH.COOH va CjH^COOH. D. QH^COOH va C 3 H 7 C O O H . 11.21. Dot chay hoan toan m6t este don chiic, mach ho X (phan tCr c6 s6' lifin
két n nho hem 3), thu diroc th^ tich khi CÔ bang 6/7 the tich khi O2 da phan limg (cac the tích khi do cr cung di^u kien). Cho m gam X tac dung hoan toan v6i 200 ml dung dich KOH 0,7M thu duoc dung dich Ỵ Co can Y thu duoc 12,88 gam chat ran khan. Gia trj ciia m la
Ạ 6.66. B. 7,20. C. 10,56. D. 8,88.
11.22. Thuy phan este Z trong m6i trucmg axit thu duoc hai chat hiru co X va Y (Mx < My). Bang mot phan umg c6 the chuydn hoa X thanh Ỵ (Mx < My). Bang mot phan umg c6 the chuydn hoa X thanh Ỵ
C h a t Z k h o n g the la
Ạ metyl propionat. B. metyl axetat. C. etyl axetat. D. vinyl axetat.
11.23. Dd trung hoa 15 gam mdt loai chat beo c6 chi s6' axit bang 7, cSn dung
dung dich chiia a gam NaOH. Gia tri cua a la Ạ 0,075. B. 0,280. C. 0,150. D. 0,200.
11.24. Thuy phan chat hiru co X trong dung dich NaOH (du), dun nong, thu
duoc san pham g6m 2 mu6'i va ancol etylic. Chat X la
Ạ CH.COOCH.CH,. B. CH3COOCH2CH2C1.- C. CH,COOCH(Cl)CH,. D. ClCHjCOOQH,. 12. A M I N , AMINO AXIT, PROTEIN
12.1. Di trung hoa 25 gam dung dich ciia m6t amin dcm chufc X n6ng d6 12,4%
can dung 100 ml dung djch MCI I M . C6ng thuc phan tir cua X la
Ạ C,H,N. B. C2H7N.
C.CH,N. D. C 3 H 7 N .
12.2. Cho cac loai hop chat : aminoaxit (X), mu6'i amoni cua axit cacboxylic (Y), amin ( Z ) , este cua aminoaxit (T). Day g6m cac hop chat deu tac (Y), amin ( Z ) , este cua aminoaxit (T). Day g6m cac hop chat deu tac
dung duoc vdri dung dich HCl va dung dich NaOH la Ạ X, Y, Z , T. B. Y, Z , T.
C. X, Y, T. D. X, Y, Z .
12.3. Khi d6t chay hoan toan mOt amin don chiic X, thu duOC 8,4 lit khi COj, 1,4 lit khi N2 (cac Ihd tich khi do o dktc) va 10,125 gam H2Ọ 1,4 lit khi N2 (cac Ihd tich khi do o dktc) va 10,125 gam H2Ọ
C 6 n g thiic phan tur ciia X la
Ạ C,HvN. B. C2H7N.
C.CHyN. D.C^HyN.
12.4. a- aminoaxit X chura m6t nhom - N H 2 . Cho 10,3 gam X tac dung vdti axit HCl (du), thu duoc 13,95 gam mu6i khan. Cong thuc cáu tao thu gon HCl (du), thu duoc 13,95 gam mu6i khan. Cong thuc cáu tao thu gon ciia X la
Ạ H 2 N C H 2 C O O H B. H 2 N C H 2 C H 2 C O O H