Chemical equilibrium 01Chemical equilibrium #Kc121Choose the best answerHow does Qc differ from Kc?AQc uses equilibrium concentrations, whereas Kc uses initial concentrationsBQc uses concentrations at a given instant, whereas Kc uses equilibrium concentrationsCQc and Kc are always numerically equalDKc changes with concentration, whereas Qc remains constant Like 0 Discuss 0Share
Chemical EquilibriumEffect of Temperature and Pressure on Equilibrium122Choose the best answerFor H₂X₂(g) + heat ⇌ 2HX(g), formation of HX is favoured by:AHigh pressure and low temperatureBHigh temperature and low pressureCLow temperature and low pressureDHigh temperature and high pressure Like 0 Discuss 0Share
Chemical EquilibriumRelationship Between Kp and Kc123Choose the best answerFor which equilibrium is Kp < Kc?AH₂(g) + I₂(g) ⇌ 2HI(g)BN₂(g) + 3H₂(g) ⇌ 2NH₃(g)CN₂(g) + O₂(g) ⇌ 2NO(g)DCO(g) + H₂O(g) ⇌ CO₂(g) + H₂(g) Like 0 Discuss 0Share
Chemical EquilibriumHaber Process and Le Chatelier’s Principle124Choose 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
SINDH MDCAT 2019 CHEMISTRY#Chemical Equilibrium#Solubility Product125Choose the best answerSolubility product of AgCl is 2.0 × 10⁻¹⁰ mol² dm⁻⁶. Maximum concentration of Ag⁺ ions in the solution is: (Sindh MDCAT 2019)A2.0 × 10⁻¹² mol dm⁻³B1.4 × 10⁻⁵ mol dm⁻³C1.0 × 10⁻¹² mol dm⁻³D2.5 × 10⁻¹⁰ mol dm⁻³ Like 0 Discuss 0Share