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溴化铁颜色苯与液溴反应的现象.

更新时间: 2020-10-08 00:00:00     

溴化铁为棕黄色或深红棕色固体,易溶于水,它的水溶液可以结晶出暗绿色的晶体,具有腐蚀性。

苯与液溴在溴化铁作催化剂的条件下反应生成溴苯和溴化氢以及大量热量,溴化氢以白雾的状态冒出,未参与反应的液溴受热挥发产生红棕色的溴蒸汽。

关键词: 颜色 反应 现象

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