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In the electrolytic refining of zinc.......

In the electrolytic refining of zinc.........

A

graphite is at the anode

B

the impure metal is at the cathode

C

the metal ion gets reduced at the anode

D

acidified zinc sulphate is the electrolyte

Text Solution

Verified by Experts

The correct Answer is:
D

The impure zinc is purified electrolytically The impure metal is made anode and cathode consists of sheet of pure aluminium. A solution of zinc sulphate acts as an electrolyte. Zinc dissolves from anode and deposite on cathode when wlwctric current is passed.
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Knowledge Check

  • During the process of electrolytic refining of copper some metals present as impurity settle as 'anode mud' . These are :

    A
    Sn and Ag
    B
    Pb and Zn
    C
    Ag and Au
    D
    Fe and Ni
  • During electrolytic refining of zinc, it gets

    A
    deposited at cathode
    B
    deposited at anode
    C
    deposited at cathode and anode
    D
    remains in the solution
  • During electrolytic refining of impure gold chloride solution what forms the anode mud?

    A
    silver chloride
    B
    gold chloride
    C
    zinc chloride
    D
    copper chloride
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