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为什么制备溴气要用热空气吹出

更新时间: 2020-09-19 00:00:00     

原因如下所示:

1、溴可用热空气吹出的原因:溴单质容易挥发成溴蒸汽,易挥发是溴的性质之一;

2、溴单质性状:深红棕色发烟挥发性液体。有刺激性气味,其烟雾能强烈地刺激眼睛和呼吸道;

3、在空气中迅速挥发,易溶于乙醇、乙醚、氯仿、二硫化碳、四氯化碳、浓盐酸和溴化物水溶液,微溶于水;

4、若不用热空气吹出,则在制备溴气时溴会直接挥发成溴蒸汽而无法收集。

关键词: 为什么 制备 空气

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