Q.CO is a reducing agent. justify with an example.

Step 1. A reducing agent is a substance that reduces another species (removes oxygen from it, or adds electrons/hydrogen to it) while itself being oxidised.

Step 2. The chapter states directly, in Section 2.3.5, that carbon monoxide acts as a strong reducing agent, and gives the example: 3CO + Fe₂O₃ → 2Fe + 3CO₂.

Step 3. In this reaction, iron(III) oxide, Fe₂O₃, is reduced to metallic iron (its oxidation state falls from +3 in Fe₂O₃ to 0 in Fe), while carbon monoxide is simultaneously oxidised to carbon dioxide (carbon's oxidation state rises from +2 in CO to +4 in CO₂) -- CO has effectively removed oxygen from the iron oxide and combined with it itself. …

State the general definition of a reducing agent, then apply it to the CO + Fe₂O₃ example from Section 2.3.5, tracking …

• Stating only 'CO reduces metal oxides' without giving the specific worked example and equation the question explicitly asks for ('justify with an example') -- the oxidation-state b …