MCQ
Strongest bond is
- A$C - C$
- B$C = C$
- ✓$C \equiv C$
- DAll are equally strong
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$NH_2-CH_2-CH_2-NH_2 +$ $\begin{array}{*{20}{c}}
{COO{C_2}{H_5}} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{COO{C_2}{H_5}}
\end{array}$ $\xrightarrow{{Pyridne}}$ $[X]$
$[X]$ will be :