The $IUPAC$ name of $\begin{matrix}
O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
C{{H}_{3}}-C-CH-CH-C{{H}_{3}} \\
\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,| \\
\,\,\,\,\,\,\,\,\,\,\,{{C}_{2}}{{H}_{5}}\,\,\,C{{H}_{3}} \\
\end{matrix}$ is
→$EMF$ of cell $Ni\,\,|\,\,N{i^{2 + }}\,(1.0\,M)\,\,||\,\,A{u^{3 + }}\,(1.0\,M)\,\,|\,\,Au$ (Where ${E^o}$ for $N{i^{2 + }}\,\,|\,\,Ni$ is $ - 0.25\,\,V;\,\,{E^o}$ for $A{u^{ + 3\,}}\,|\,\,Au$ is $1.50\,\,V)$ is ............ $\mathrm{V}$
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