See image — Hydrocarbons Chemistry Question

💡 Solution & Explanation

Correct option: \(\text{A}\). Hydrocarbon reactions are decided by bond type: alkanes mainly substitute, alkenes/alkynes add across multiple bonds, and aromatic rings undergo electrophilic substitution. Recovered question text: 83. The least reactive alkane towards free-radical substitution reaction is – (A) CH (B) (CH ) CH (C) CH CH (D) CH CH CH 4 3 3 3 3 3 2 3