Question

The oxide, which cannot act as a reducing agent, is
(a) NO₂ (b) SO₂
(c) CO₂ (d) ClO₂

Answer 1

Answer:

Option (c)CO2 can't be used as reducing agent, as it has +4 oxidation state which is referred as the maximum oxidation state.

Answer 2

The oxide, which cannot act as a reducing agent is $Co_2$ .

Option (C)

Explanation:

• Carbon dioxide is a colourless gas that is constituted of single carbon atom and two oxygen atoms.

• Carbon in Carbon dioxide has oxidation state +4 which is the maximum limit.

• Since it can’t go beyond the limit, $CO_2$ can’t acts as a reducing agent.

• Reducing agents are the electron losers in the chemical reaction.

• They are also called as reductants or reducers.

• It is one of the reactants in oxidation-reduction reaction.

• Examples for reducing agents are Sodium, Iron, Zinc, Carbon, Sulfur, etc.,

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