Question

Among the following, identify the compound which cannot act as both oxidizing and reducing agents?

• A. $H_2{O}_2$
• B. $H_2$
• C. $S{O}_2$
• D. $HCl$

Answer 1

The correct option is A $H_2{O}_2$

$\stackrel{-1}{H_2{O}_2}⟶\stackrel{-2}{H_{2}O}+\stackrel{0}{O_2}$

$\stackrel{-1}{H_2{O}_2}$ can get reduced to $\stackrel{-2}{H_2{O}_2}$ & also can get oxidised to $\stackrel{0}{O_2}$ as well as it can act as a oxidant by getting reduced to $\stackrel{-2}{H_{2}O}$. Therefore, it can as both oxidizing & reducing agent.