Chemical EquilibriumEquilibrium Constant for Reverse Reaction41Choose the best answerIf K₁ is the equilibrium constant for 2NO(g) + O₂(g) ⇌ 2NO₂(g), the equilibrium constant K₂ for 2NO₂(g) ⇌ 2NO(g) + O₂(g) is:AK₂ = 1/K₁BK₂ = K₁²CK₂ = 1/K₁²DK₂ = K₁ Like 0 Discuss 0Share
Chemical EquilibriumEffect of Pressure on Equilibrium42Choose the best answerIncreasing pressure has what effect on 2A(g) + 3B(g) ⇌ 3A(g) + 2B(g)?AShifts equilibrium forwardBShifts equilibrium backwardCNo effect on equilibrium positionDStops the reaction Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Kc43Choose 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
Chemical EquilibriumCommon-Ion Effect44Choose the best answerWhich pair is a standard example of the common-ion effect suppressing the ionization of a weak base?ABaCl₂ + Ba(NO₃)₂BNaCl + HClCNH₄OH + NH₄ClDAgNO₃ + KNO₃ Like 0 Discuss 0Share
MDCAT Chemistry Past Papers Reconduct 2023#Chemical Equilibrium#Kc45Choose 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