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The number of electrons delivered at the...

The number of electrons delivered at the cathode during electrolysis ny a current of 2 ampere in 120 seconds is
(charge on electron `=1.6xx10^(-19)C)` :-

A

`3.75xx10^(20)`

B

`7.48xx10^(20)`

C

`1.5xx10^(21)`

D

`3xx10^(20)`

Text Solution

Verified by Experts

The correct Answer is:
C
`Q="ne"=It`
`h=(Ixxt)/(e)=(2xx120)/(1.6xx10^(-19))=1.5xx10^(20)` electron
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