{C{H_2} - C = CH - C{H_2}OH} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{\,\,\,\,Cl\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_{3\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}
\end{array}$ is
- ✓$4-$ Chloro $-3-$ methylbut $-2-$ en $-1-$ ol
- B$1-$ Chloro $-2-$ methylbut $-2-$ en $-4-$ ol
- C$4-$ Chloro $-1-$ hydroxy $-3-$ methylbut, $2-$ ene
- D$1-$ Chloro $-4-$ hydroxy $-2-$ methylbut $-2-$ ene