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为什么环己烷的沸点比正己烷高啊
更新时间: 2020-07-03 00:00:00  

烷烃沸点比较原则:烷烃中碳原子越多,沸点越高。若碳原子数相同,则要看它的支链,支链越多沸点越低。

环己烷的沸点比正己烷高,是因为环烷烃分子排列更紧密(正烷烃是链状烃,所以分子间距离大),分子间作用力更强,所以沸点更高。

关键词: 为什么 沸点

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