Chemical EquilibriumEffect of Temperature on Equilibrium66Choose the best answerFor 2NO₂(g) ⇌ N₂O₄(g) + 14.6 kcal, increasing temperature:AFavours N₂O₄ formationBFavours N₂O₄ decompositionCHas no effectDStops both reactions Like 0 Discuss 0Share
Chemical EquilibriumDynamic Equilibrium67Choose the best answerWhen forward and reverse reaction rates become equal, the system is in:ADynamic chemical equilibriumBComplete reactionCIrreversible stateDStatic equilibrium with no molecular activity Like 0 Discuss 0Share
Chemical EquilibriumEffect of Temperature on Equilibrium68Choose the best answerFor A + B ⇌ C + D + heat, the forward reaction is favoured by:AAdding CBAdding DCDecreasing temperatureDIncreasing temperature Like 0 Discuss 0Share
Chemical EquilibriumActive Mass and Dynamic Equilibrium69Choose the best answerWhich statement is false?AIncreasing reactant concentration generally decreases reaction rateBDynamic equilibrium occurs when forward and reverse rates are equalCDissociation of a weak electrolyte is reversibleDFree ions can participate readily in chemical reactions Like 0 Discuss 0Share
Chemical EquilibriumCommon-Ion Effect and H₂S Equilibrium70Choose the best answerFor H₂S ⇌ 2H⁺ + S²⁻, addition of NH₄OH causes the concentration of S²⁻ to:ADecreaseBRemain unchangedCIncreaseDBecome zero Like 0 Discuss 0Share