In the electrolytic refining of a metal M, what would you take as the anode, the cathode and the electrolyte?

Explanation

The impure metal is made the anode and a thin strip

of pure metal the cathode. The anode is connected to the positive terminal and the cathode to the negative terminal of a power supply. The acidified copper sulphate (`CuSO_4+ "dil. "H_2SO_4`) solution is taken as the electrolyte in an electrolytic .tank..