Consider the Following Cell at Standard Conditions: Zn(s) $\mid$ Zn²⁺(aq)m Fe²⁺(aq) $\mid$

Consider the following cell at standard conditions: Zn(s) $\mid$ Zn²⁺(aq) m Fe²⁺(aq) $\mid$ Fe(s)
Calculate the value of $\Delta$ G_r $\degree$ for the reaction that occurs when current is drawn from this cell.

A) (-62 kJ.mol ^{- 1} )
B) (-230 kJ.mol ^{- 1} )
C) +62 kJ.mol ^{- 1}
D) +230 kJ.mol ^{- 1}
E) (-31 kJ.mol ^{- 1} )