問題詳情
74. Which of the following reactions has a mechanism that involves the formation of a cyclic intermediate from acyclic startingmaterials?
(A) Dehydration of an alcohol
(B) Addition of HBr to an alkene
(C) Chlorination of an alkane
(D) Addition of bromine to an alkene
(E) Addition of Grignard to ketone
參考答案
答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)