See image — Hydrocarbons Chemistry Question

💡 Solution & Explanation

Correct option: \(\text{B}\). Oxidation of hydrocarbons depends on the reagent strength; cold dilute \(\ce{KMnO4}\) gives vicinal diols for alkenes, while stronger conditions cleave multiple bonds. Recovered question text: 16. The thermal decomposition of alkanes in the absence of air is known as – (A) oxidation (B) Combustion (C) Hydrogenation (D) pyrolysis