$Zn(s) + C{u^{2 + }}(0.1\,M) \to Z{n^{2 + }}(1\,M) + Cu(s)$
\( = \,\,\,1.10 - \frac{{0.059}}{2}\,\,\,\,\log \,\,\,\frac{1}{{0.1}}\)
\(= 1.10 - 0.0295\,log\,10 = 1.07\,V\)
$[Fe(CN)_6]^{4-} \rightarrow [Fe(CN)_6]^{3-} + e^{-1}\, ;$ $ E^o = -0.35\, V$
$Fe^{2+} \rightarrow Fe^{3+} + e^{-1}\ ;$ $E^o = -0.77\, V$