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58问答库 > 铁和碳和电解质NaCl如何组成原电池?

铁和碳和电解质NaCl如何组成原电池?

2025-03-16 00:33:13

推荐回答（1个）

回答（1）：

铁作负极,失电子被氧化：Fe-2e-===Fe2+
碳棒作正极,氧气得电子被还原：2H2O+4e-+O2===4OH-
总反应式：2Fe+2H2O+O2===2Fe(OH)2
可能还会发生4Fe(OH)2+O2+2H2O===4Fe(OH)3
2Fe(OH)3===Fe2O3+3H2O等一系列副反应

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