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Question
Balance the following half-reaction occurring in basic solution.
MnO2(s) → Mn(OH)2(s)
A) MnO2(s) + 2H2O(l) + 2e- → Mn(OH)2(s)+ 2OH-(aq)
B) MnO2(s) + 2H2O(l) + 4e- → Mn(OH)2(s)+ (OH)2-(aq)
C) MnO2(s) + H22+(aq) + 2e-→ Mn(OH)2(s)
D) MnO2(s) + H2(g) → Mn(OH)2(s) + 2e-
E) MnO2(s) + 2H2O(l) → Mn(OH)2(s)+ 2OH-(aq)
Answer
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