問題詳情

41. Many nucleophilic addition reactions of aldehydes and ketones are catalyzed by acid or base. Bases catalyze hydration by:
(A) making the carbonyl group more electrophilic
(B) shifting the equilibrium of the reaction
(C) making the carbonyl group less electrophilic
(D) converting the water to hydroxide ion, a much better nucleophile
(E) None of the above

參考答案

答案:D
難度:簡單0.714286
統計:A(1),B(0),C(1),D(5),E(0)

內容推薦

內容推薦