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For a cell reaction , Cu^(2+) (C1 , aq) ...

For a cell reaction , `Cu^(2+) (C_1 , aq) + Zn(s) to Zn^(2+) (C_2 , aq) + Cu(s)` of an electro chemical cell , the change in standard free energy , `DeltaG^(0)` at a given temeprature is

A

`DeltaG^(@)=RT ln. (C_(2))/(C_(1))`

B

`DeltaG^(@)= - RT ln. (C_(2))/(C_(1))`

C

`DeltaG^(@) = RT ln C_(2)`

D

`DeltaG^(@) = - RT ln C_(2)`

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