See image — Hydrocarbons Chemistry Question

💡 Solution & Explanation

Correct option: \(\text{B}\). Preparation methods are selected by the target hydrocarbon: elimination forms alkenes/alkynes, reduction gives more saturated products, and coupling reactions build larger carbon skeletons. Recovered question text: 3. Which of the following compound cannot be obtained from single alkyl halide by wurtz reaction ? (1) Ethane (2) Butane (3) Isobutane (4) Hexane