Question: Which is the most suitable reagent for the following transformation ?
alkaline $\mathrm{KMnO}_{4}$
$\mathrm{I}_{2} / \mathrm{NaOH}$
Tollen's reagent
$\mathrm{CrO}_{2} / \mathrm{CS}_{2}$
Correct Option: , 2
Solution:
$\mathrm{I}_{2} / \mathrm{NaOH}$