MCQ
Phosphorus pentachloride in the solid exists as
- A$PCl_5$
- B$PCl^+_4Cl^-$
- ✓$PCl^+_4 PCl^-_6$
- D$PCl_5.Cl_2$
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$\,\,\begin{array}{*{20}{c}}
{C{H_3} - C - H\,} \\
\,\,\,\,{||} \\
\,\,\,\,{O\,}
\end{array} + \,C{H_3} - C{H_2} - CHO\xrightarrow{{\overline O H/{H_2}O}}$

$A$. Phenol $B$. $p -$ Cresol
$C$. $m-$ Nitrophenol $D$. $p-$ Nitrophenol is