For the Reaction Ni²⁺(aq) + 2Fe²⁺(aq) $\rarr$ Ni(s) + 2Fe³⁺(aq), the Standard Cell Potential E

For the reaction Ni²⁺(aq) + 2Fe²⁺(aq) $\rarr$ Ni(s) + 2Fe³⁺(aq) , the standard cell potential E ^$\circ$ _cell is

A) +2.81 V.
B) +1.02 V.
C) +0.52 V.
D) -1.02 V.
E) -2.81 V.