Question

Which of the following is not a reducing agent
(A) SO2 (B) H2O2
(C) CO2 (D) NO2

Explain how do you found that :)

Answer 1

Co2 is not a reducing agent.
To act as a reducing agent a compound should share or give electron and form another compound.
But co2 has less electrons to from a bond.so it cannot reduce substances.

Answer 2

$\bold{\mathrm{CO}_{2}}$ is not a reducing agent.

Option: C

Explanation:

• A reducing agent can be defined as electron donor in one of its lowest possible oxidation states. This reducing agent is kind of oxidized.  

• This is because, it ‘loses electrons’ in the reaction known as redox reaction. Some of the examples of ‘reducing agents’ are formic acid, earthly metals, and other sulfite compounds.  

• From the provided options, $\mathrm{CO}_{2}$ cannot be acted as reducing agent. This is because, C in $\mathrm{CO}_{2}$ consists of an oxidation state of +4.  

• This carbon can have maximum of +4 oxidation state and not beyond that. Thus it cannot be acted as a reducing agent.

Learn more about reducing agent

The choice of a reducing agent in a particular case depends on thermodynamic factor. How far do you agree with this statement? Support your opinion with two examples.

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Pb4+ acts as oxidising agent by sn2+ acts as a reducing agent

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