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Electrolysis and Electrolytes

During electr...

Question

During electrolysis of an aqueous solution of CuSO $_{4}$ using Pt electrodes, the product at the anode is _______.

A

Oxygen

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B

Copper

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C

Sulphur

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D

Hydrogen

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Solution

The correct option is A Oxygen
Upon electrolysis,
At anode:
$2 O H^{-}$ $\to H_{2} O + \frac{1}{2} O_{2} + 2 e^{-}$
Hence option A is the right answer.

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