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Praxis II General Science

Category - Chemistry

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In the following reaction, which species is becoming oxidized?

CO₂(g) + H₂(g) CO(g) + H₂O(g)

CO₂
H₂
CO
H₂O
This is not a redox reaction.

Explanation

Answer: B - Hydrogen is becoming oxidized in this reaction. In its initial state, hydrogen’s oxidation number is 0. After the reaction and formation of water, its oxidation number is now +1, meaning it lost an electron in the process, which is oxidation.

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