What is the anode made up of in electrolytic refining?

Impure metal

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The metal ore

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Pure metal

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Double salt of metal

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Solution

The correct option is A Impure metal
In electrolytic refining, the impure metal is converted to a block which forms the anode while the cathode is made up of a pure strip of the same metal.
The electrolyte used is generally a solution of a soluble salt of the metal, usually, a double salt of the metal.

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