XiMDCAT XI Complete Chemistry Grand Test#Chemical Equilibrium#Kc11Choose the best answerFor which equilibrium is Kc dimensionless?AC(s) + H₂O(g) ⇌ CO(g) + H₂(g)BCH₃OH(l) + CH₃CO₂H(l) ⇌ CH₃CO₂CH₃(l) + H₂O(l)CCu²⁺(aq) + 4NH₃(aq) ⇌ Cu(NH₃)₄²⁺(aq)DN₂O₄(g) ⇌ 2NO₂(g) Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Kc12Choose the best answerFor Fe³⁺(aq) + 4Cl⁻(aq) ⇌ FeCl₄⁻(aq), which expression represents Kc?A[Fe³⁺][Cl⁻]⁴ / [FeCl₄⁻]B[FeCl₄⁻] / [Fe³⁺][Cl⁻]⁴C[FeCl₄⁻] / [Fe³⁺][Cl⁻]D[FeCl₄⁻]⁴ / [Fe³⁺][Cl⁻] Like 0 Discuss 0Share
MDCAT Chemistry Past Papers Reconduct 2023#Chemical Equilibrium#Kc13Choose the best answerWhat happens to the equilibrium constant (Kc) when a catalyst is added to a chemical system at equilibrium? (MDCAT Reconduct 2023)AIt increasesBIt decreasesCIt becomes zeroDIt remains unchanged Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Kc14Choose the best answerWhat does the value of Kc mainly tell us about an equilibrium reaction?ARate and activation energy of the reactionBDirection and extent of the reaction at equilibriumCTime required to reach equilibriumDEffect of a catalyst on equilibrium position Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Kc15Choose the best answerWhich statement correctly relates Kc to the equilibrium composition?ALarge Kc → mostly reactantsBSmall Kc → mostly productsCModerate Kc → appreciable amounts of both reactants and productsDKc = 1 → reaction is necessarily complete Like 0 Discuss 0Share