In a battery, the following two oxidation-reduction reactions are taking place: rxn A: Zn ? Zn+2 + 2e- rxn B: 2 NH4+ + 2e- ? 2 NH3 + H2Which reaction is taking place at the anode?
A. Both reactions are happening at both the anode and cathode.
B. The reaction takes place at the electrode, not the anode.
C. Both reactions are happening at the electrode.
D. rxn B
E. rxn A
Answer: E
Environmental & Atmospheric Sciences
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