The equilibrium constant for the reaction
2Hg(1) + 2CI⁻(aq) + Ni²⁺(aq) --> Ni(s) + Hg₂Cl₂(s)
is 5.6x10⁻ ²⁰ at 25°C. Calculate the value of E° for a cell utilizing this reaction.
O +0.57 v
O +1.14 v
O -1.14 v
O -0.25 v
O -0,57 v