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Q.

Regarding electrolytic refining of blister copper, incorrect statement is

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a

 Pure strip of copper is the cathode

b

Antimony and selenium dissolve in the electrolyte

c

 Gold and silver form anode mud

d

Impure block copper is the anode

answer is D.

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Detailed Solution

During copper metal refining by electrolytic method, Anode is made of pure metal while cathode is made of impure metal. Anode mud is made up of Pt,Au,Ag,Sb,Se, Te and so on.

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Regarding electrolytic refining of blister copper, incorrect statement is