45. 已知林德拉催化劑(Lindlar‘s catalyst)能夠將氫氣與炔(alkyne)反應成烯(alkene),請問下列何者是林德拉催化劑的金屬成分?
(A) Pt
(B) Au
(C) Pd
(D) Rh
答案:登入後查看
統計: A(45), B(7), C(223), D(18), E(0) #3102036
統計: A(45), B(7), C(223), D(18), E(0) #3102036
詳解 (共 3 筆)
#7057489
38. What is the expected major organic product from treatment of 4-methyl-2-pentyne with hydrogen in the presence of Lindlar's catalyst?
(A) (E) -4-methyl-2-pentene
(B) (Z)-4-methyl-2-pentene
(C) (E) -2-methyl-2-pentene
(D) (Z)-2-methyl-2-pentene
(E) 2-methylpentane
答案:B
ㅤㅤ
29. 何組反應試劑適合用來進行下述化合物的轉換?ㅤㅤ

(A) 1. DBr 2. BD3 3. H2O2 / NaOH
(B) 1. D2 / Pd, CaCO3, quinoline 2. Br2 / H2O
(C) 1. Na / ND3 2. Br2 / H2O
(D) 1. Br2 / H2O 2. D2/Pd, CaCO3, quinoline
答案:B
ㅤㅤ
2. 下列試劑何者可以將 3-己炔轉換成(Z)-3-己烯?
(A) H2, Pt
(B) Li, NH3
(C) H2, Lindlar's catalyst
(D) H2SO4, H2O
答案:C
ㅤㅤ
vs.ㅤㅤ
24. 下列何組試劑最適合將hex-3-yne 轉變成( E )-hex-3-ene?
(A) H2, Pt
(B) Na, NH3
(C) H2, Lindlar’s catalyst
(D) HgSO4, H2O .
答案:B
1
0