c
\(\begin{matrix}
\,\,\,\,\,\,OH\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
C{{H}_{3}}-CH=C-C{{H}_{2}}-C{{H}_{2}}-C{{H}_{3}} \\
\end{matrix}\) \((E\,and\,Z)\) \(\begin{matrix}
\,\,\,\,\,\,OH\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
C{{H}_{3}}-CH-C=C{{H}_{2}}-C{{H}_{2}}-C{{H}_{3}} \\
\end{matrix}\) (cis and trans)
Total \(= 4\) enol fonns