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均裂反应的条件有哪些
更新时间: 2020-10-31 00:00:00  

共价键的均裂一般发生在光、高温或过氧化物的作用下。以均裂方式断键的反应称为自由基反应,气相或非极性溶剂条件有利于游离基反应的进行。共价键断裂时,共用电子均等地分配给成键的两个原子,这种断键方式称为均裂,A:B→A·+·B。均裂后的两个部分各带有一个未成对电子,很活泼,是一种活泼中间体,称为游离基(或自由基)。

关键词: 反应 条件 哪些

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