天气预报 > 其他 > 乙炔溶于水吗
乙炔溶于水吗
更新时间: 2020-10-31 00:00:00  

乙炔微溶于水,易溶于乙醇、苯、丙酮等有机溶剂。乙炔结构式H-C≡C-H,结构简式CH≡CH,最简式CH,分子式C2H2,乙炔中心C原子才用sp杂化。电子式H∶C┇┇C∶H,它是非极性物质,水是极性物质,根据容相似相溶原理:乙炔微溶于水,易溶于乙醇、苯、丙酮等有机溶剂。

炔烃是三键,也就是有2个Л键,与不溶于水物质相比容易被氧吸引,所以溶于水。但是Л键的键能还是很大的,因此,烃的溶解度总体上是非常低,只能微溶于水。

关键词: 乙炔

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