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What current is to be passed for 0.25 se...

What current is to be passed for `0.25` sec for deposition of certain weight of metal which is equal to its electrochemical equivalent ?

A

4A

B

100A

C

200A

D

2A

Text Solution

Verified by Experts

The correct Answer is:
A
From faraday's `1^(st)` of electrolysis, w=zit, where w=amount of substance deposited, z=electrochemical equivalent, i=current in ampere, t=time in second.
Given w=z or, it=1.
or, i=1/t=`(1)/(0.25)=4`amp.
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