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