15.31. Cho so do chuy^n hoa sau:
_ , +Br2(l:l mol),Fe,l" +NaOH(dir),t",p , v +Ha(du) ^
Toluen > A > Y > Z
Trong do X, Y , Z d^u la h6n hcjtp cua cac chSft hiru ca, Z c6 thanh phSn chinh gOin
Ạ m-metylphenol va <>mẹtylphenol. B. benzyl bromua va tJ-bromtoluen. C. o-bromloluen va p-biomtoluen. D. o-metylphenol va p-metylphenol.
15.32. Cho cac chat: rucm (ancol) etylic, glixerin (glixerol), glucozof, dimetyl
ete va axit fomic. S6' chat tac dung dugc v6i Cu(OH)2 la Ạ 1. B. 3.
C. 4. D. 2.
15.33. Oxi hoa 1,2 gam CH.OH bang CuO nung n6ng. sau mM th6i gian thu
ducrc h6n hop san pham X (g6m HCHO, H.O va CH^OH dir). Cho toan bo X tac dung vori lugrng du A g 2 0 (hoSc AgNO,) trong dung dich NH„ dugc 12,96 gum Ag.
Hieu sua't cua phan ling oxi hoa CH3OH la
Ạ 76.6%. B. 80,0%.
C.65,5%. D.70,4%.
15.34. Anh hircrng cua nhom -OH dfín g6'c C^Hs - trong phan t\x phenol thé hien qua phan ung giua phenol vdfi hien qua phan ung giua phenol vdfi
Ạ dung dich NaOH. B. Na kim loaị
C.nu6c Br2. D. (Ni, nung n6ng).
15.35. Cho day cdc chat: C 2 H 2 , HCHO, HCOOH, C H 3 C H O , ( C H 3 ) 2 C O , C12H22O11 (mantoza). C12H22O11 (mantoza).
S6 chat trong day tham gia dugc phan ling trang bac la
' Ạ 3 chat. B.6chát.
C. 5 chat. D. 4 chát.
15.36. Cho day cac chat: C H 4, C j H j , C 2 H 4 , C 2 H 5 O H , C H 2 = CH - COOH,
C 6 H 5 N H 2 (anilin), CgHgOH (phenol), C6H6 (benzen).
S6' chat trong day phan ung dugc voi nude brom la
Ạ 6 chat. B. 8 chát.
C. 7 chat. D. 5 chát.
15.37. C6ng thiic dcm gian nhát cua m6t hidrocacbon 1^ C n H 2 n + | .
Hidrocacbon do thu6c day dong dang cua
Ạ ankan. B. ankin. C. ankadien. D. anken.
5.38. Chat hCru co X c6 c6ng thiJc phan tijf C 4 H 6 O 4 tac dung vdi dung dich
NaOH (dun nong) theo phuong trinh phan ling:
C 4 H 6 O 4 + 2 N a O H -> 2Z + Y (adsbygoogle = window.adsbygoogle || []).push({});
Di oxi hoa h€t a mol Y thi cSn vura du 2a mol CuO (dun ndng), sau phan ling tao thanh a mol chat T (bid't Y , Z, T la cac hcjp cha't hCru co).
Kh6'i lugng phan tii ciia T la
Ạ 44 dvC. B. 58 dvC. C. 82dvC. D. llSdvC.
15.39. M6t h6n hgp X g6m hai chát huu co don chiic. Cho X phan irng vtra du
vdi 500 ml KOH I M . Sau phan ling, thu dugc h6n hgp Y gdm hai mu6'i ciia hai axit cacboxyHc va mot ancol. Cho toan b6 lugng ancol thu dugc 6
tren tac dung vdi Na (du), sinh ra 3,36 lit Hj (6 dktc).
H6n hgp X gdm:
Ạ m6t este va mfit ancol. . B. m6t axit va m6t estẹ C. m6t axit va m6t ancol. D. hai estẹ
5.40. Cho cac cha't sau:
C H 3 - C H 2 - CHO ( 1 ) ; C H 2 = CH - CHO ( 2 ) ; ( C H 3 ) 2 CH - CHO ( 3 ) ;
C H 2- C H- C H 2- O H ( 4 ) .
Nhirng cha't phan ung hoan toan vdi lugng du H2 (Ni, t") cung tao thanh mdt san ph^m 1^
Ạ 2, 3, 4. B. 1,2,4. C. 1,2,3. D. 1,3,4.
5.41. Cho day cac cha't: phenol, anilin, phenylamoni clorua, natri phenolat, etanol. S6' cha't trong day phan ung dugc vdi NaOH (trong dung dich) la etanol. S6' cha't trong day phan ung dugc vdi NaOH (trong dung dich) la Ạ 3. B. 2.
C. 1. D . 4 .
5.42. D6't chay hoan toan 20,0 ml h6n hgp X g6m CjH^, CH4, CO (thé tich CO ga'p hai Idn thé tich CH4), thu dugc 24,0 ml C O 2 (cdc thé tich khi do 6 CO ga'p hai Idn thé tich CH4), thu dugc 24,0 ml C O 2 (cdc thé tich khi do 6
Cling di^u kien nhiet d6 va ap suát). T i khd'i cua X so vdi khi hidro la
Ạ 25,8. B. 12,9. C. 22,2. D. 11,1.
15.43. Cho day cac chat:
HCMO, C H 3 C O O H , CH3COOC2H5,HCOOH, C j H ^ O H , HOOCH3.
S6' chat trong day tham gia phan img trang bac la
Ạ 3. B . 6 .
C. 4. D. 5.
15.44. Cho day cac chat:
C6H5OH (phenol). C6H5NH2 (anilin), HjNCHjCOOH , C 2 H 5 C O O H ,
C3H7NH2. S6' chat trong day tac dung dugc vdi dung dich HCl la
Ạ 4. B. 2.
C. 3. D. 5.
15.45. Di khu hoan loan 200 ml dung djch KMn04 0,2M tao thanh chat ran mau nau den can V lit khi C2H4 (d dktc). Gia tri t6'i thi^u ciia V la mau nau den can V lit khi C2H4 (d dktc). Gia tri t6'i thi^u ciia V la
Ạ 2,240. B. 2,688. C. 4,480. D . 1,344. (adsbygoogle = window.adsbygoogle || []).push({});
15.46. Phat hiiu nao sau day saỉ
Ạ Nhiet 66 s6i cua este thap hem han so vdi ancol c6 ciing phan tir kh6'ị B. Trong cong nghiep c6 th^ chuyen hoa chat beo long thanh chat beo ran.