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尿素生成氮气氢气的电极反应原理

尿素生成氮气氢气的电极反应原理

2025-04-03 08:06:39

推荐回答（1个）

回答1：

1.该电池反应时，氮元素化合价由-3价变为0价，H元素化合价由+1价变为0价，则氮元素被氧化，氢元素被还原，所以生成氮气的电极a阳极，生成氢气的电极b是阴极。

2.阴极上水得电子生成氢气和氢氧根离子，电极反应式为：2H2O+2e-=H2+2OH-

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