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Three moles of electrons are passed thro...

Three moles of electrons are passed through three solutions in succession containing `AgNO_3`, `CuSO_4` and `AuCL_3` respectively the molar ratio of amounts of cations reduced at cathode will be

A

`1:2:3`

B

`2:1:3`

C

`3:2:1`

D

`6:3:2`

Text Solution

Verified by Experts

The correct Answer is:
D
`{:(,Ag.^(+) ,,Cu^(2+),,Au^(3+)),(,(1)/(1),:,(1)/(2),:,(1)/(3)),(=,6,:,3,:,2):}`
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ALLEN-ELECTROCHEMISTRY-Part (II) EXERCISE-01
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