Question

Draw all possible structural formulae of the compound from its molecular formula given below.

C₃H₄

Answer 1

Propyne

\[\begin{array}{cc}
\phantom{..............}\ce{H}\phantom{}\\
\phantom{..............}|\phantom{}\\
\phantom{}\ce{H - C ≡ C - C - H}\phantom{}\\
\phantom{..............}|\phantom{}\\
\phantom{..............}\ce{H}\phantom{}
\end{array}\]

Propadiene

\[\begin{array}{cc}
\phantom{}\ce{H}\phantom{..................}\ce{H}\phantom{}\\
\phantom{.}\backslash\phantom{...............}/\phantom{}\\
\phantom{.}\ce{C = C = C}\phantom{}\\
\phantom{}/\phantom{................}\backslash\phantom{}\\
\phantom{}\ce{H}\phantom{...................}\ce{H}\phantom{}
\end{array}\]

Cyclopropene

\[\begin{array}{cc}
\phantom{}\ce{CH2}\phantom{}\\
\phantom{}/\phantom{.......}\backslash\phantom{}\\
\phantom{}\ce{HC = CH}\phantom{}\\
\end{array}\]