Question

describe electrolytic refining of copper with chemical equation. draw a well labelled diagram

Answer 1

In the electrolytic refining of copper, the impure metal is made the anode and a thin strip of pure metal is made the cathode, a solution of the metal salt is used as an electrolyte. on passing the current through the electrolyte,the pure metal from the anode dissolves into the electrolyte. an equivalent amount of pure metal from the electrolyte is deposited on the cathode. the soluble impurities go into the solution, whereas, the insoluble impurities settle down at the bottom of the anode and are known as anode mud.the chemical formula of copper in cu.

Answer 2

Answer:

Copper(II) sulphate solution is the electrolyte. Copper dissolves at the anode: Cu → Cu2++2e, and is deposited at the cathode. The net result is transfer of pure copper from anode to cathode. Gold and silver in the impure copper form a so-called anode sludge at the bottom of the cell, which is recovered.