Question: In the given transformation, which of the following is the most appropriate reagent ?
$\mathrm{NaBH}_{4}$
$\mathrm{NH}_{2} \mathrm{NH}_{2}, \stackrel{\ominus}{\mathrm{OH}}$
$\mathrm{Zn}-\mathrm{Hg} / \mathrm{HCl}$
$\mathrm{Na}, \mathrm{Liq} \cdot \mathrm{NH}_{3}$
Correct Option: , 2
Solution:
Solution not required