MCQ
In the given reaction :
$NH_2-CH_2-CH_2-NH_2 +$ $\begin{array}{*{20}{c}}
{COO{C_2}{H_5}} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{COO{C_2}{H_5}}
\end{array}$ $\xrightarrow{{Pyridne}}$ $[X]$
$[X]$ will be :
- A

- ✓

- C

- D
