In a Battery,the Following Two Oxidation-Reduction Reactions Are Taking Place

question 8

Multiple Choice

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 + H₂
Which reaction is taking place at the cathode?

• A)rxn A
• B)rxn B
• C)Both reactions are happening at both the anode and cathode.
• D)Both reactions are happening are happening at the electrode.
• E)The reaction takes place at the electrode,not the cathode.

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