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A copper voltameter, a solver voltameter...

A copper voltameter, a solver voltameter and a water voltamenter are connected in series and current is passed for some time. The ratio of the number of moles of copper, silver and hydrogen formed at the cathode is

A

`2:1:1`

B

`1:1:1`

C

`1:2:1`

D

`1:2:2`

Text Solution

Verified by Experts

The correct Answer is:
C
Acc. Faraday s second law,
`1FrarrCu((1)/(2)"mole")rarrAg("1 mole")rarr(1)/(2)(H_(2))`
`rarr((1)/(2):1:(1)/(2))xx2=1:2:1`
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