Which metal is deposited at the cathode during the electrolysis of the solution of Copper [II] Sulphate:

S

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C l

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C u

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N a

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Solution

The correct option is C $C u$
At cathode:
$C u^{+ 2} + 2 e^{-} \to C u$
At anode:
$2 H_{2} O \to O_{2} + 4 H^{+} + 4 e^{-}$

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On electrolysis of dilute copper(II) sulphate solution, copper is deposited at the cathode but hydrogen gas evolves there.

N a C l

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