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为什么环己烷比己烷的沸点高
更新时间: 2020-07-03 00:00:00  

环己烷比己烷的沸点高的原因如下:

环己烷分子排列更紧密,正烷是链状的,所以分子间距离大,分子间作用力更强,所以沸点更高;正己烷是链状,实际上是锯齿形的,分子与分子间的排斥力大,不易集聚,所以熔沸点低;环己烷是环状的,分子间的排斥力较小,容易积聚,故熔沸点较高。

关键词: 为什么 沸点

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