Chemical EquilibriumCommon-Ion Effect61Choose 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#Kc62Choose 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
UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Chemical Equilibrium#Le Chatelier's Principle63Choose the best answerWhen a product is removed from a reversible reaction at equilibrium, the equilibrium shifts toward:AReactant sideBProduct sideCBoth side one by oneDNo effect Like 0 Discuss 0Share
Chemical EquilibriumHaber Process and Le Chatelier’s Principle64Choose 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 Equilibrium65Choose the best answerRaising the temperature of an equilibrium system generally favours:AThe exothermic direction onlyBThe endothermic directionCBoth directions equallyDNeither direction Like 0 Discuss 0Share