$\begin{array}{*{20}{c}}
{O = CH - C{H_2} - CH - CHO} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,H - C = O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}
\end{array}$

$CH _{2} = C = C H - C H _{3}$
$\quad 1\quad \quad 2\quad \quad 3\quad \quad \quad 4$
અણુમાં, કાર્બન $1,2,3$ અને $4$નું સંકરણ અનુક્રમે શોધો.



