See image — Hydrocarbons Chemistry Question

💡 Solution & Explanation

Correct option: \(\text{B}\). Hydrocarbon reactions are decided by bond type: alkanes mainly substitute, alkenes/alkynes add across multiple bonds, and aromatic rings undergo electrophilic substitution. Recovered question text: 10. Which of the following reactions of methane is incomplete combustion :- Cu/523K/100atm. (1) 2CH + O 2CH OH ⎯⎯⎯⎯⎯⎯⎯⎯⎯ → 4 2 3 MO O (2) CH + O HCHO + H2O ⎯⎯⎯⎯ 2 3 → 4 2 (3) CH + O ⎯⎯→ C(s) + 2H2O(ℓ) 4 2 (4) CH + 2O ⎯⎯→ CO (g) + 2H O(ℓ) 4 2 2 2