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Zn((s))+Cu((aq))^(+2) rarr Cu((s))+Zn((a...

`Zn_((s))+Cu_((aq))^(+2) rarr Cu_((s))+Zn_((aq))^(+2)`
given that `Delta_(f)G^(@)` for `Cu_((aq))^(+2)` and `Zn_((aq))^(+2)` as `65 kJ mol^(-1)` and `-147.2 kJ mol^(-1)` respectively. Then the standard Gibb's energy change for the above reaction is

A

266.2 K J

B

111.2 K J

C

`-212.2 K J`

D

`-122.2 K J`

Text Solution

Verified by Experts

The correct Answer is:
C
`DeltaG=G_(P)-G_(R)`
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