Chemical EquilibriumActive Mass61Choose the best answerAccording to the active-mass concept, reaction rate is directly related to the:AEquilibrium constant onlyBAtomic masses of reactantsCVolume of the container onlyDActive masses of reactants Like 0 Discuss 0Share
Chemical EquilibriumReversible Reactions62Choose the best answerA reversible reaction is one that:AProceeds only in the forward directionBCan proceed in both forward and backward directionsCAlways proceeds spontaneously to completionDCannot attain equilibrium Like 0 Discuss 0Share
Chemical EquilibriumEffect of Temperature on Equilibrium63Choose the best answerFor the endothermic equilibrium N₂(g) + O₂(g) + heat ⇌ 2NO(g), a higher yield of NO is favoured by:AHigh temperatureBHigh pressureCLow temperatureDRemoving N₂ Like 0 Discuss 0Share
Chemical EquilibriumLe Chatelier’s Principle64Choose the best answerThe principle stating that an equilibrium shifts to oppose an imposed change is:AFirst law of thermodynamicsBLe Chatelier’s principleCHess’s lawDFaraday’s law Like 0 Discuss 0Share
Chemical EquilibriumEffect of Temperature and Pressure on Equilibrium65Choose the best answerFor 2SO₂(g) + O₂(g) ⇌ 2SO₃(g) + heat, the best conditions for a high equilibrium yield of SO₃ are:AHigh temperature and high pressureBHigh temperature and low pressureCLow temperature and high pressureDLow temperature and low pressure Like 0 Discuss 0Share