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Which of the following on electrolysis w...

Which of the following on electrolysis would, not evolve oxygen at the anode ?

A

Dilute `H_(2)SO_(4)` with Pt electrodes

B

Aqueous silver nitrate using Pt electrodes

C

Aqueous `Na_(2)SO_(4)` with Pt electrodes

D

50% of `H_(2)SO_(4)` with Pt electrodes

Text Solution

Verified by Experts

The correct Answer is:
D
On electrolysis of 50% of `H_(2)SO_(4)`
`H_(2)SO_(4) to H^(+) + HSO_(4)^(-)`
`2H^(+) + 2e^(-) to H_(2) uarr` (cathode)
`2HSO_(4)^(-) to H_(2)SO_(2)O_(8) + 2e^(-)` (anode )
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