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If reduction of silver ion on copper ele...

If reduction of silver ion on copper electrode is carried out at 298K temperature and having standard potential is +0.46 V, then what is the value of standard free energy `(DeltaG^(@))` ?

A

`-44.5kJ`

B

`-98.0kJ`

C

`-89.0kJ`

D

`-89.0J`

Text Solution

Verified by Experts

The correct Answer is:
C

`Cu+2Ag^(+)to Cu^(2+)+2Ag`
`DeltaG^(@)=-nFE^(@)`
`=-2xx96500xx0.46`
`=-88780J`
`=-89kJ`
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