Which of the following pairs of compounds of carbon will undergo combustion as well as addition reaction ?

Engineering

Chemistry

Classification of Chemical Reaction

Alkene

Alkyne

Question

Which of the following pairs of compounds of carbon will undergo combustion as well as addition reaction ?

A

CH₄ and C₂H₆

B

C₂H₆O and C₃H₈O

C

C₂H₄O₂ and C₃H₆O

D

C₂H₂ and C₃H₆

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Both C₂H₂ (ethyne) and C₃H₆ (propene) are unsaturated hydrocarbons. Hence, they would undergo both combustion and addition reactions.
$C_{2} H_{5} + \frac{5}{2} O_{2} \to 2 {CO}_{2} + H_{2} O$
$C_{3} H_{6} + \frac{9}{2} O_{2} \to 3 {CO}_{2} + 3 H_{2} O$
$\underset{ethyne}{C_{2} H_{2}} + 2 H_{2} \to \underset{ethane}{C_{2} H_{6}}$
$\underset{propene}{C_{3} H_{6}} + H_{2} \to \underset{propane}{C_{3} H_{8}}$

CH₄ and C₂H₆ are saturated hydrocarbons and do not undergo addition reactions. C₂H₆O and C₃H₈O are ethanol and propanol, respectively, and do not undergo addition reactions. C₂H₄O₂ and C₃H₆O are ethanoic acid and acetone, respectively. They cannot undergo both combustion and addition reactions.