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氯化铁和氯化亚铁哪个是盐为什么
更新时间: 2020-08-20 00:00:00  

都容易水解,因它们是强酸弱碱盐,水溶液中有亚铁离子或铁离子,这两种离子都有水解平衡;氯化铁是一种共价化合物,又名三氯化铁,是黑棕色结晶,也有薄片状,易溶于水并且有强烈的吸水性,能吸收空气里的水分而潮解;氯化铁是一种很重要的铁盐;氯化亚铁,呈绿至黄色。可溶于水、乙醇和甲醇;溶于水、乙醇、乙酸,微溶于丙酮,不溶于乙醚;于空气中会有部分氧化变为草绿色;在空气中逐渐氧化成氯化铁;无水氯化亚铁为黄绿色吸湿性晶体,溶于水后形成浅绿色溶液,为四水盐。

关键词: 氯化 哪个 为什么

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