JEE Main 2024 Chemistry question
Mass of methane required to produce 22 g of CO₂ after complete combustion is g. (Given Molar mass in g mol⁻¹ C = 12.0, H = 1.0, O = 16.0)
Answer: 8
Solution
CH₄ + 2O₂ → CO₂ + 2H₂O. Moles of CO₂ = 22/44 = ½, so moles of CH₄ = ½ and mass = ½ × 16 = 8 g.