MCQ
Saponification (basic hydrolysis) of $\begin{matrix}
{{C}_{6}}{{H}_{5}}\,COC{{H}_{3}} \\
||\,\, \\
O\,\, \\
\end{matrix}$ will yield [$O =$ mass $- 18$ isotope of oxygen]
{{C}_{6}}{{H}_{5}}\,COC{{H}_{3}} \\
||\,\, \\
O\,\, \\
\end{matrix}$ will yield [$O =$ mass $- 18$ isotope of oxygen]
- A$\begin{matrix}
O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
{{C}_{6}}{{H}_{5}}-C-{{{\underset{\raise0.3em\hbox{$\smash{\scriptscriptstyle-}$}}{O}}}^{-}}+H\underset{\raise0.3em\hbox{$\smash{\scriptscriptstyle-}$}}{O}\,C{{H}_{3}} \\
\end{matrix}$ - ✓$\begin{matrix}
O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
{{C}_{6}}{{H}_{5}}-C-{{O}^{-}}+H\underset{\raise0.3em\hbox{$\smash{\scriptscriptstyle-}$}}{O}\,C{{H}_{3}} \\
\end{matrix}$ - C$\begin{matrix}
{{C}_{6}}{{H}_{5}}C{{O}^{-}}+H{{{\underset{\raise0.3em\hbox{$\smash{\scriptscriptstyle-}$}}{O}}}^{-}} \\
||\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
\end{matrix}$ - D$\begin{matrix}
{{C}_{6}}{{H}_{5}}C{{O}^{-}}+HOC{{H}_{3}} \\
||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
\underset{\raise0.3em\hbox{$\smash{\scriptscriptstyle-}$}}{O}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \,\,\, \\
\end{matrix}$
