. In electrorefining of metals anode and cathode are taken as thick slab of impure metal and a strip of pure-metal respectively while the electrolyte is


In electrorefining of metals anode and cathode are taken as thick slab of impure metal and a strip of pure-metal respectively while the electrolyte is solution of a complex metal salt. This method cannot be applied for the refining of
 

  • (A):Copper
  • (B):Sodium
  • (C):Aluminium
  • (D):Zinc and Silver

Best Answer

Correct Answer:

(B): Sodium

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