首页/ 题库 / [单选题]环己烯加氢变为环己烷是哪一种反应? (的答案

环己烯加氢变为环己烷是哪一种反应? ( )

单选题
2021-09-02 00:03
A、吸热反应
B、放热反应
C、热效应很小
D、不可能发生
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正确答案
B

试题解析

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