(Answered) For the reaction given which half reaction occurs at the

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For the reaction given, which half reaction occurs at the cathode?

NiO₂ + Cd + H₂O → Cd(OH)₂ + Ni(OH)₂ + 2 OH^-

H₂O → OH^-.
There is no cathode as the cathodic reaction always occurs at the passive electrode.
Cd → Cd(OH)₂.
NiO₂ → Ni(OH)₂.
Cd(OH)₂→ Cd.

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