MCQ
Boric acid in solid, whereas $BF _3$ is gas at room temperature because of
- AStrong ionic bond in Boric acid
- BStrong van der Waal's interaction in Boric acid
- ✓Strong hydrogen bond in Boric acid
- DStrong covalent bond in $BF _3$
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$(a)$ $HCHO$ $(b)$ $C_6H_5-CHO$
$(c)$ $\begin{array}{*{20}{c}}
{\,\,C{H_3}} \\
{\,|\,\,\,\,\,} \\
{C{H_3} - C - CHO} \\
{|\,\,\,} \\
{\,\,C{H_3}\,}
\end{array}$ $(d)$ $Ph-CH_2-CHO$
[Molar mass of $\mathrm{KCl}=74.5$ ]
