首页/ 题库 / [多选题]对于烯烃的氢卤化反应描述错误的是( )。的答案

对于烯烃的氢卤化反应描述错误的是( )。

多选题
2021-09-03 16:47
A、化氢的反应活性顺序是HCl>HBr>HI
B、键碳上连有吸电子基团时,反应产物为反马氏规则
C、氏规则和反马氏规则在机理上其实是统一的,都是为了生成更稳定的活性中间体。
D、意反应都会发生碳正离子重排
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正确答案
A@#@B@#@D

试题解析

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因为卤化氢分子中有带正电荷和负电荷两部分,因此卤化氢与烯烃的加成反应,既是亲电加成反应,又是亲核加成反应。
共轭二烯烃也可与卤素、卤化氢等发生亲电加成反应,但比单烯烃更难进行。
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