Chemical EquilibriumEquilibrium Constant for Reverse Reaction26Choose 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 Equilibrium27Choose 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 EquilibriumCommon-Ion Effect28Choose 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
Chemical EquilibriumHaber Process and Le Chatelier’s Principle29Choose the best answerFor N₂(g) + 3H₂(g) ⇌ 2NH₃(g), ΔH = −93.6 kJ, the equilibrium yield of NH₃ does NOT increase when:APressure is increasedBTemperature is loweredCPressure is loweredDVolume of the vessel is decreased Like 0 Discuss 0Share
Chemical EquilibriumEffect of Temperature on Equilibrium30Choose the best answerRaising the temperature of an equilibrium system generally favours:AThe exothermic direction onlyBThe endothermic directionCBoth directions equallyDNeither direction Like 0 Discuss 0Share