An optically active compound 'X' has molecular formula C_4H_8O_3.…

MCQ

An optically active compound $'X'$ has molecular formula $C_4H_8O_3$. It evolves $CO_2$ with $NaHCO_3. 'X'$ reacts with $LiAlH_4$ to give an achiral compound. $'X'$ is

A
$\begin{matrix}
C{{H}_{3}}C{{H}_{2}}CHCOOH \\
| \\
\,\,\,OH \\
\end{matrix}$
B
$\begin{matrix}
C{{H}_{3}}CHCOOH \\
|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
Me\,\,\,\,\,\,\,\,\,\, \\
\end{matrix}$
✓
$\begin{matrix}
C{{H}_{3}}CHCOOH \\
|\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
\,\,C{{H}_{2}}OH \\
\end{matrix}$
D
$\begin{matrix}
C{{H}_{3}}CHC{{H}_{2}}COOH \\
|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
OH\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
\end{matrix}$

✓

Answer

Correct option: C.

$\begin{matrix}
C{{H}_{3}}CHCOOH \\
|\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
\,\,C{{H}_{2}}OH \\
\end{matrix}$

c
$\underset{(X)}{\mathop{\begin{matrix}
C{{H}_{3}}-CH-C{{O}_{2}}H \\
|\,\,\,\,\,\,\,\,\, \\
\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{{H}_{2}}-OH \\
\end{matrix}}}\,$ $\xrightarrow{LAH}$ $\begin{matrix}
C{{H}_{3}}-CH-C{{H}_{2}}-OH \\
|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
\,C{{H}_{2}}-OH \\
\end{matrix}$

$\underset{(X)}{\mathop{\begin{matrix}
C{{H}_{3}}-CH-C{{O}_{2}}H \\
|\,\,\,\,\,\,\,\,\, \\
\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{{H}_{2}}-OH \\
\end{matrix}}}\,$ $\xrightarrow{NaHC{{O}_{3}}}$ $\begin{matrix}
C{{H}_{3}}-CH-CO_{2}^{\Theta }+C{{O}_{2}} \\
|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
\,\,C{{H}_{2}}-OH \\
\end{matrix}$