氨气燃料电池酸性电解质的电极反应式???

2025-03-15 16:57:21
推荐回答(4个)
回答1:

若电解质为酸溶液 负极反应式为:2h2-4e-==4h+
正极反应式为:o2 + 4h+ +4eˉ== 2h2o;
若是碱溶液 负极反应式为:2h2 + 4ohˉ-4eˉ== 4h20
正极为:o2 + 2h2o + 4eˉ== 4ohˉ
这么写的原因就是
如是在碱溶液中,则不可能有h+出现,在酸溶液中,也不可能出现ohˉ
总反应式都是:2h2+o2=2h2o

回答2:

若电解质为酸溶液
负极反应式为:2H2-4e-==4H+
正极反应式为:O2
+
4H+
+4eˉ==
2H2O;
若是碱溶液
负极反应式为:2H2
+
4OHˉ-4eˉ==
4H20
正极为:O2
+
2H2O
+
4eˉ==
4OHˉ
这么写的原因就是
如是在碱溶液中,则不可能有H+出现,在酸溶液中,也不可能出现OHˉ
总反应式都是:2H2+O2=2H2O

回答3:

若电解质为酸溶液 负极反应式为:2H2-4e-==4H+ 正极反应式为:O2 + 4H+ +4eˉ== 2H2O;

回答4:

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