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Explain electrolytic refining of copper

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Explain electrolytic refining of copper

Posted by Raju Kumar 5 years, 10 months ago

CBSE > Class 10 > Science

1 answers

Yogita Ingle 5 years, 10 months ago

Electrolytic refining of copper:
In the process of electrolytic refining of copper, the electrolyte used is acidified copper sulphate.
Impure metal is made as an anode and pure metal is made as a cathode.
On passing the electric current through the electrolyte, the impure metal from anode dissolves into the electrolyte solution and pure metal from copper sulphate solution deposits on the cathode.
At Anode: Cu → Cu²⁺ + 2e^-
At Cathode: Cu²⁺ + 2e^- → Cu
The soluble impurities go into the solution and insoluble impurities settle down at the bottom of an anode and are known as anode mud.

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CBSE > Class 10 > Science