See image — Hydrocarbons Chemistry Question

💡 Solution & Explanation

Correct option: \(\text{B}\). The structure and properties of aromatic hydrocarbons arise from delocalised \(\pi\)-electrons, equalised bond lengths and resonance stabilisation. Recovered question text: 1. Which has least carbon bond length – (A) Ethane (B) Ethyne (C) Ethene (D) Ethanol