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加成反应放热反应吗

更新时间: 2020-09-26 00:00:00     

加成反应不是放热反应,是吸热反应。

有机反应中的加成反应是由不饱和键吸热断裂,进行加成后放热。因为不饱和键吸收的热量大于加成后释放的热量,所以加成反应总体表现为吸热反应。

关键词: 反应 放热反应

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