Question

with the help of labelled diagram explain how copper metal is purified after extraction

Answer 1

in the purification of copper by electrolytic refining does the steps of impure copper metal is made the anode and its types of pure copper metals is the cathode when a current is the thoughts short passed the electricity is pure copper from the anode dissolves in water the electrolytic leveled how copper metals is purified after extraction

Answer 2

In the purification of copper by electrolytic refining, the strip of impure copper metal is made the anode and a strip of pure copper metal is the cathode. A solution of copper sulphate is used as the electrolyte. When current is passed through the electrolyte, pure copper from the anode dissolves in the electrolyte. An equivalent amount of pure copper from the electrolyte is deposited on the cathode. The soluble impurities go into the solution, where as the insoluble impurities remain in the solution and are deposited at the bottom of anode as anode mud.

Following reactions take place at anode and cathode

Anode : Cu ---------> Cu+2 + 2e-

cathode : Cu+2 + 2e- --------> Cu