Question

describe the electrotype refining of copper

Answer 1

A thick block of impure copper metal is made anode .

---> A thin strip of pure copper metal is made as cathode.

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⁺

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Answer 2

Hye mate..here is ur answer
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A thick block of impure copper metal is made anode .

---> A thin strip of pure copper metal is made as cathode.

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⁺

I hope it's helpful for u ....