Chemical EquilibriumEquilibrium Constant Kc86Choose the best answerFor A + B ⇌ C + D, initially [A] = [B] = 1.0 mol dm⁻³ and [C] = [D] = 0. At equilibrium, [C] = [D] = 0.8 mol dm⁻³. The value of Kc is:A6.4B0.64C1.6D16 Like 0 Discuss 0Share
Chemical EquilibriumEffect of Pressure on Equilibrium87Choose the best answerWhich equilibrium is unaffected by a change in pressure?AN₂(g) + O₂(g) ⇌ 2NO(g)B2SO₂(g) + O₂(g) ⇌ 2SO₃(g)C2O₃(g) ⇌ 3O₂(g)D2NO₂(g) ⇌ N₂O₄(g) Like 0 Discuss 0Share
Chemical EquilibriumRelationship Between Kp and Kc88Choose the best answerFor PCl₅(g) ⇌ PCl₃(g) + Cl₂(g), the relation between Kp and Kc is:AKp = KcBKp = Kc(RT)⁻¹CKp = Kc(RT)DKp = Kc(RT)² Like 1 Discuss 0Share
MDCAT Chemistry Past Paper 2023#Chemical Equilibrium#Dynamic Equilibrium89Choose the best answerWhich of the following is true for a reversible reaction at equilibrium? (MDCAT 2023)AThe rate of the forward reaction is greater than the backward reactionBThe rate of the forward reaction is lesser than the backward reactionCThe rate of the backward reaction is equal to the forward reactionDThe rate of the backward reaction is greater than the forward reaction Like 0 Discuss 0Share
Chemical EquilibriumRelationship Between Kp and Kc90Choose the best answerFor which reaction is Kp = Kc?A2NOCl(g) ⇌ 2NO(g) + Cl₂(g)BN₂(g) + 3H₂(g) ⇌ 2NH₃(g)CH₂(g) + Cl₂(g) ⇌ 2HCl(g)DN₂O₄(g) ⇌ 2NO₂(g) Like 0 Discuss 0Share