MCQ
$\begin{array}{*{20}{c}}
{O\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3} - C - O - {C_2}{H_5}}
\end{array}$ $\xrightarrow{{{H_2}N - N{H_2}}}X$; $\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,O\,\,\,\,\,\,\,\,\,\,} \\
{\,\,\,\,\,\,\,\,||\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3} - C - {C_2}{H_5}}
\end{array}$ $\xrightarrow{{{H_2}N - N{H_2}}}Y$
{O\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3} - C - O - {C_2}{H_5}}
\end{array}$ $\xrightarrow{{{H_2}N - N{H_2}}}X$; $\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,O\,\,\,\,\,\,\,\,\,\,} \\
{\,\,\,\,\,\,\,\,||\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3} - C - {C_2}{H_5}}
\end{array}$ $\xrightarrow{{{H_2}N - N{H_2}}}Y$
$X$ and $Y$ are
- A$X=$ $\begin{array}{*{20}{c}}
{C{H_3} - C - O{C_2}{H_5}} \\
{||\,\,\,\,\,\,\,\,\,\,} \\
{\,\,\,\,\,\,\,\,\,\,\,N - N{H_2}}
\end{array}$, $Y =$ $\begin{matrix}
C{{H}_{3}}-C-{{C}_{2}}{{H}_{5}} \\
\,\,\,\,\,\,\,||\,\,\,\,\,\,\,\,\,\, \\
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,N-N{{H}_{2}} \\
\end{matrix}$ - B$X =$ $\begin{matrix}
C{{H}_{3}}-C-N{{H}_{2}} \\
|| \\
\,\,O \\
\end{matrix}$, $Y= $ $\begin{matrix}
C{{H}_{3}}-C-{{C}_{2}}{{H}_{5}} \\
\,\,\,\,\,\,\,||\,\,\,\,\,\,\,\,\,\, \\
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,N-N{{H}_{2}} \\
\end{matrix}$ - ✓$X =$ $\begin{matrix}
C{{H}_{3}}-C-NH-N{{H}_{2}} \\
||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
\end{matrix}$, $Y =$ $\begin{matrix}
C{{H}_{3}}-C-{{C}_{2}}{{H}_{5}} \\
\,\,\,\,\,\,\,||\,\,\,\,\,\,\,\,\,\, \\
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,N-N{{H}_{2}} \\
\end{matrix}$ - D$X =$ $\begin{matrix}
C{{H}_{3}}-C-{{C}_{2}}{{H}_{5}} \\
\,\,\,\,\,\,\,||\,\,\,\,\,\,\,\,\,\, \\
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,N-N{{H}_{2}} \\
\end{matrix}$, $Y = $ $\begin{matrix}
C{{H}_{3}}-C-{{C}_{2}}{{H}_{5}} \\
\,\,\,\,\,\,\,||\,\,\,\,\,\,\,\,\,\, \\
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,N-N{{H}_{2}} \\
\end{matrix}$