Question

How will you bring the following conversion?

Iodoform to acetylene

Answer 1

Two molecules of iodoform are heated with silver to form acetylene (ethyene).

\[\begin{array}{cc}
\phantom{}\ce{I\phantom{..........}I}\phantom{...........................}\\
\phantom{}/\phantom{..............}\backslash\phantom{...........................}\\
\ce{H - C - I + 6 Ag + I - C - H ->[\Delta]\underset{Acetylene}{H - C ≡ C - H} + 6 Agl}\\
\phantom{}\backslash\phantom{..............}/\phantom{...........................}\\
\phantom{}\ce{\underset{lodoform}{I\phantom{..........}I}}\phantom{...........................}
\end{array}\]