MCQ
The hydrogen bond strength will be highest for
- A$O - H - O$
- B$F - H - O$
- C$O - H - F$
- ✓$F - H - N$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

$C_6H_5-CHO + C_6H_5CHO$ $\xrightarrow{{N{a_2}[Fe{{(CO)}_4}]}}$ $\begin{array}{*{20}{c}}
{O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{{C_6}{H_5} - C - O - C{H_2}{C_6}{H_5}}
\end{array}$