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If aqueous solutions of AgNO3 is electro...

If aqueous solutions of `AgNO_3` is electrolysed using inert electrode the gas evolved at anode is .

A

` NO_2`

B

`O_2`

C

` H_2`

D

`N_2O`

Text Solution

Verified by Experts

The correct Answer is:
B
At anode `2H_2O rarr O_2 + 4H^+ +4e^-`
At cathode `Ag^+ +e^- rarr Ag`.
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