Question

During electro-refining of copper:

Options

• copper is deposited at anode.

• copper is deposited at cathode.

• copper is not deposited at any electrode.

• Cu²⁺ is deposited at cathode.

Answer 1

Copper is deposited at cathode.

Explanation:

Soluble copper ions (Cu²⁺) move towards the negative electrode (Cathode), gain electrons, and deposit as pure copper metal.