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The quantity of electricity required to ...

The quantity of electricity required to electrolyse separately 1 M aqueous solution of `ZnSO_(4), AlCl_(3) and AgNO_(3)` competely is in the ratio of -

A

`2:3:1`

B

`2:1:1`

C

`2:1:3`

D

`2:2:1`

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The correct Answer is:
A
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