Question

A sulphur containing species that can not be a reducing agent is :-
(a) $\mathrm{SO}_{2}$
(b) $\mathrm{SO}_{3}^{-2}$
(c) $\mathrm{H}_{2} \mathrm{SO}_{4}$
(d) $\mathrm{S}_{2} \mathrm{O}_{3}^{2-}$

Answer 1

A sulphur containing species that can not be a reducing agent is :-

(a) $\mathrm{SO}_{2}$

(b) $\mathrm{SO}_{3}^{-2}[/t</h2><p>ex]</p><p>(c) [tex]\mathrm{H}_{2} \mathrm{SO}_{4}$