MCQ
The labelled $-O^{18}$ will be in


- A$H_2O$
- ✓Methyl benzoate
- CBoth $(a)$ and $(b)$
- DBenzoic acid

Product of the reaction is methyl benzoate $\begin{array}{*{20}{c}}
{O\,\,\,\,\,\,\,\,\,\,\,\,} \\
{||\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{Ph - C - \mathop O\limits^{18} - C{H_3}}
\end{array}$
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$(I)$ $NI_3$ $(II)$ $I_3^-$
$(III)$ $SO_3^{-2}$ $(IV)$ $NO_3^-$
Reason : Inert gases have stable configuration.

Mark the correct option
Coordination no. $-$ Oxidation on. $-$ No. of $d-$electrons $-$ Unpaired $d-$electrons
(image) $\xrightarrow[{KCN}]{{CuCN}}P\xrightarrow{{LiAl{H_4}}}Q\xrightarrow{{HN{O_2}}}X$
