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

question 99

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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