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铁和氯化铁反应现象
更新时间: 2020-09-18 00:00:00  

铁和氯化铁的反应现象为:铁逐渐溶解,溶液由棕黄色慢慢变为浅绿色。因为铁单质的化合价为零价,氯化铁中铁元素为正三价,铁单质和氯化铁中的正三价铁离子发生氧化还原反应,变成正二价的亚铁离子。由于亚铁离子为浅绿色,所以溶液由棕黄色慢慢变为浅绿色。

关键词: 氯化 反应 现象

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