Describe the electrolytic refining of copper with chemical equations
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On passing electricity, Impure copper from the anode dissolves and goes into CUSO4 solution and pure copper from the copper sulphate solution deposits on the cathode .
Thus pure copper metal is produced at cathode . The soluble impurities goes into the solution whereas insoluble impurities settles down at anode as anode mud.
Chemical reaction :
At cathode : Cu²⁺ + 2e ---->Cu
At anode : Cu - 2e---->Cu²⁺
Thus pure copper metal is produced at cathode . The soluble impurities goes into the solution whereas insoluble impurities settles down at anode as anode mud.
Chemical reaction :
At cathode : Cu²⁺ + 2e ---->Cu
At anode : Cu - 2e---->Cu²⁺
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