Answer: CO2 and H2OThe products of a hydrocarbon undergoing combustion in O2 are always CO2 and H2O. Memorize this general outline for a reaction; you will see it often.

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Praxis II: Chemistry Exam Prep

Category - Chemistry

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When a hydrocarbon undergoes combustion in O2, what are the products?

CH₄ and H₂O
CO₂ and H₂O
CH₄ and CO₂
C₂H₂ and CO₂
C₂H₂ and CH₄

Explanation

Answer: CO₂ and H₂O

The products of a hydrocarbon undergoing combustion in O₂ are always CO₂ and H₂O. Memorize this general outline for a reaction; you will see it often.

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