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怎样鉴别苯和1-己炔

2025-03-31 16:18:13

推荐回答（1个）

回答1：

溴水，苯发生萃取，分层，有机层显橙色。1，3-环己二烯和1-己炔均发生加成，褪色。
对1，3-环己二烯和1-己炔，加入硝酸银溶液，1-己炔有炔氢（-c≡ch）,能生成1-己炔银（ch3ch2ch2ch2c≡cag）白色沉淀。1，3-环己二烯不含炔氢，没有白色沉淀。

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