Question

How ethanoic acid is prepared using the Grignard reagent?

Answer 1

 The complex further on acid hydrolysis gives ethanoic acid (acetic acid).

\[\begin{bmatrix}\ce{O}\phantom{.........}\\
||\phantom{.........}\\
\ce{C - O MgI}\\
|\phantom{.........}\\
\ce{CH3}\phantom{......}
\end{bmatrix}
\begin{array}{cc}
\phantom{.........................}\ce{OH}\\
\phantom{.......................}/\\
\ce{->[H+][H2O] \underset{(Acetic acid)}{CH3COOH} + Mg}\\
\phantom{.......................}\backslash\\
\phantom{.........................}\ce{I}
\end{array}\]