MCQ
is


- A$\begin{array}{*{20}{c}}
{C{H_2} - OH} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_2} - OH}
\end{array}$ - B$CH_3-CH_2-OH$
- C$CH_3-COOH$
- ✓$\begin{array}{*{20}{c}}
{CH = O} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{CH = O}
\end{array}$


