See image — Hydrocarbons Chemistry Question

💡 Solution & Explanation

Correct option: \(\text{A}\). 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: 21. Which of the following reactions does not involved a C–C bond formation? (A) Hydrolysis of a Grignard reagent (B) Combination of two alkyl free radicals  (C) Corey-House synthesis of alkanes (D) RNa + R – Br R – R + NaBr