For the following cell reaction,
`Ag|Ag^(+)|AgCl|Cl^(Theta)|Cl_(2),Pt`
`DeltaG_(f)^(o)(AgCl)=-109kJ//mol`
`DeltaG_(f)^(o)(Cl^(Theta))=-129kJ//mol`
`DeltaG_(f)^(o)(Ag^(+))=78kJ//mol`
`E^(o)` of the ell is:-
A. `-0.60V`
B. `0.60V`
C. `6.0V`
D. None of these