Question

Which of the following may act both as an oxidizing and a reducing agent:

• A. $H_2{O}_2$
• B. $Mn{O}_2$
• C. $S{O}_2$
• D. All of these

Answer 1

The correct option is D All of these

If an element is in its intermediate oxidation state in a compound, the compound can function both as an oxidising agent as well as reducing agent as the element can increase or decrease its oxidation state. All the given species can acts as both oxidising and reducing agent.