Which one of the following cannot function as an oxidising agent?
Which one of the following cannot function as an oxidising agent?
$\mathrm{I}^{-}$
S(s)
$\mathrm{NO}_{3}^{-}(\mathrm{aq})$
$\mathrm{Cr}_{2} \mathrm{O}_{7}^{2-}$
Solution
If an electronegative element is in its lowest possible oxidation state in a compound or in free state. It can function as a powerful reducing agent. e.g. I-