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In a Cu-voltameter, mass deposited in 30...

In a Cu-voltameter, mass deposited in 30 s is m gm. If the time-current graph is shown in the following figure

What is the electrochemical equivalent of Cu?

A

m/2

B

m/3

C

m/4

D

`m/63.5`

Text Solution

Verified by Experts

The correct Answer is:
2
Total charge passed in 30 sec.
`=1/2xx100xx10+100xx10+100xx10+1/2xx100xx10`
`=3xx100xx10mAxxs`
`=3000xx10^(-3)amps=3 C`
W=ZQ
`thereforeZ=W/Q=m/3`
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