1.

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^(@)) ?

Answer»

`-44.5kJ`
`-98.0kJ`
`-89.0kJ`
`-89.0J`

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


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