Cu C Fecl3构成的原电池若把正极换成Fe棒将会如何（有盐桥的原电池）
人气：285 ℃ 时间：2019-09-20 05:39:28
解答
就是说把铁放入氯化铁溶液中吗?
那主要反应就是：Fe+2Fe3+ = 3Fe2+ ,是一个化学腐蚀；
如果铜放入Cu2+的溶液的话,由于Fe比Cu活泼,也可以发生电化学反应：
负极：Fe-2e- =Fe2+ 正极：Cu2+ + 2e- =Cu
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