See image — Hydrocarbons Chemistry Question

💡 Solution & Explanation

Correct option: \(\text{C}\). Ozonolysis cleaves the \(\ce{C=C}\) or \(\ce{C#C}\) bond and converts each unsaturated carbon into the corresponding carbonyl or acid product depending on conditions. Recovered question text: 21. Which alkene gives acetone only on ozonolysis (1) Isobutylene (2) 2,3–Dimethyl–1–butene (3) 2,3–Dimethyl–2–butene (4) 3,3–Dimethyl–1–butene