Question

Which of the following is selected as the cathode for a galvanic cell set up with a nickel anode?

Options

• Mg

• Cu

• Al

• Zn

Answer 1

Cu

Explanation:

At Anode: \[\ce{Ni -> Ni^{2+} + 2e^- }\] (oxidation)

At Cathode: \[\ce{Cu^{2+} + 2e^- -> Cu}\] (reduction)