See image — Hydrocarbons Chemistry Question

💡 Solution & Explanation

Correct option: \(\text{C}\). Classify the hydrocarbon by carbon framework and bond type: saturated alkanes, unsaturated alkenes/alkynes, or aromatic hydrocarbons. The selected option follows from that classification. Recovered question text: 62. Ethyne adds on HCl to first give a – (A) Carbanion (B) A free radical (C) A vinylic cation (D) A biradical 166