Chemical EquilibriumHaber Process and Le Chatelier’s Principle2686Choose the best answerWhich conditions favour a high equilibrium yield of NH₃ in the Haber process?AHigh concentration of reactantsBLow temperature and high pressureCContinuous removal of NH₃DAll of these Like 0 Discuss 0Share
Chemical KineticsAverage Rate of Reaction2687Choose the best answerThe concentration of a reactant decreases from 0.20 mol dm⁻³ to 0.10 mol dm⁻³ in 10 min. Its average rate of disappearance is:A0.01 MB2 × 10⁻² mol dm⁻³ min⁻¹C0.01 mol dm⁻³ min⁻¹D1 mol dm⁻³ min⁻¹ Like 0 Discuss 0Share
StoichiometryMoles and Molar Mass2688Choose the best answerWhich sample has the least mass?A0.5 mol O₂B2 mol NH₃C0.25 mol SO₂D0.5 mol H₂O Like 1 Discuss 0Share
StoichiometryMolar Mass2689Choose the best answerWhich pair has the same mass?A1 mol CO and 1 mol N₂B1 mol CO and 1 mol CO₂C1 mol O₂ and 1 mol N₂D1 mol O₂ and 1 mol CO₂ Like 1 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Orbitals#Atomic Structure2690Choose the best answerWhat is the shape of an s orbital?ADumb-bellBSphericalCDouble dumb-bellDTetrahedral Like 0 Discuss 0Share