Question

For the electro-refining of copper.
(i) What is the cathode made up of?
(ii) Write the reaction that takes place at the anode.

Answer 1

(i) Thin metal of pure copper metal

(ii) Anode reaction:

$\underset{impurerod}{Cu}\to {Cu}^{2+}\left(aq\right)+2e^{-}$