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阿Q吧 > 用铁作电极电解氢氧化钠溶液，阳极的电极反应式。

用铁作电极电解氢氧化钠溶液，阳极的电极反应式。

2025-04-02 02:54:35

推荐回答（3个）

回答1：

当阳极为活泼金属（除铂、金以外的金属）时，阳极反应为该金属失去电子变为金属阳离子。铁作阳极，铁变为亚铁离子：Fe-2e^-=Fe^2+

回答2：

阳极：失电子
4OH- - 4e- = 2H2O + O2

回答3：

如果铁作阳极，电解氢氧化钠应该是生成高铁酸根离子，铁+6价

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