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Q.

Copper is purified by electrolytic refining of blister copper. The correct statement(s) about this process is (are) :

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a

Impurities settle as anode-mud.

b

Acidified aqueous CuSO4 is used as electrolyte.

c

Pure Cu deposits at cathode.

d

Impure Cu strip is used as cathode.

answer is B, C, D.

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Detailed Solution

During electrolytic refining of blister copper Acidified aqueous CuSO4 is used as electrolyte, Pure Cu deposits at cathode and impurities settle as anode-mud

As a result, option B, C and D are correct

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