In a battery, the following two oxidation-reduction reactions are taking place:rxn A: Zn + 2 OH- ? ZnO + H2O + 2e- rxn B: 2 MnO2 + H2O + 2e- ? Mn2O3 + 2 OH-What is undergoing reduction?
A. OH-
B. MnO2
C. ZnO
D. Zn
E. H2O
Answer: B
Environmental & Atmospheric Sciences
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