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环己烯苯甲苯如何鉴别

更新时间: 2020-09-26 00:00:00     

鉴别步骤如下:

1、分别用试管装取少量的三种物质,再分别加入溴水。能使溴水褪色的就是环己烯;

2、分别用试管装取少量的剩余两种种物质,加入少量的酸性高锰酸钾。能使酸性的高锰酸钾褪色的就是甲苯;

3、剩余的物质就是苯。

关键词: 甲苯 如何 鉴别

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