MCQ
Glyoxal is
- A$C{H_2}O - C{H_2}O$
- B$\begin{array}{*{20}{c}}
\begin{gathered}
C{H_2}OH \hfill \\
\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \hfill \\
\end{gathered} \\
{C{H_2}OH}
\end{array}$ - ✓$\begin{array}{*{20}{c}}
\begin{gathered}
CHO \hfill \\
\, \,\, \,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \hfill \\
\end{gathered} \\
{CHO}
\end{array}$ - D$\begin{array}{*{20}{c}}
\begin{gathered}
C{H_2}OH \hfill \\
\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \hfill \\
\end{gathered} \\
{CHO}\,\,\,\,\,\,\,
\end{array}$
