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. In the free radical chlorination of methane and tetradeuteromethane, the rate of the reaction (A) is faster for CH than for CD (B) is faster for CD than for CH 4 4 4 4 (C) is equal for both (D) for CD is zero 4