Question

Which one of the following CANNOT act as a reducing agent?

पर्याय

• CO₂

• CuF

• FeS

• ClO₂

Answer 1

CO₂

Explanation:

Reducing agent is one which donates electrons.

1. CO₂, oxidation state of carbon in CO₂ is +4 which is the highest oxidation state of carbon.

∴ CO₂ cannot act as a reducing agent.

2. CuF, oxidation state of copper in CuF is + 1.

The highest oxidation state of copper is +2.

∴ CuF can act as a reducing agent.

3. FeS, oxidation state of iron in FeS is +2.

The highest oxidation state of iron is +3.

∴ FeS can act as reducing agent.

4. ClO₂, oxidation state of chlorine in ClO₂ is +4.

The highest oxidation state of chlorine is +7.

∴ ClO₂ can act as a reducing agent.