Chemical EquilibriumEffect of Pressure on Equilibrium26Choose the best answerWhich equilibrium shifts to the right when total pressure is increased?AN₂(g) + 3H₂(g) ⇌ 2NH₃(g)BH₂(g) + I₂(g) ⇌ 2HI(g)CH₂(g) + Cl₂(g) ⇌ 2HCl(g)DN₂O₄(g) ⇌ 2NO₂(g) Like 0 Discuss 0Share
Chemical EquilibriumEquilibrium Constant Expression27Choose the best answerFor A + 2B ⇌ C, the equilibrium-constant expression is:AKc = [C]/([A][B]²)BKc = [C]/([A][B])CKc = [A][B]²/[C]DKc = 2[A][B]/[C] Like 0 Discuss 0Share
SINDH MDCAT 2018 Chemistry#Chemical Equilibrium#Le Chatelier's Principle28Choose the best answerFor the following exothermic reaction decrease in temperature will shift the equilibrium towards: 2NO(g) + O₂(g) ⇌ 2NO₂(g) (Sindh MDCAT 2018)ALeftBThe point of equilibriumCBoth directionsDRight Like 0 Discuss 0Share
Chemical EquilibriumActive Mass29Choose the best answerAccording to the source concept, the rate at which substances react depends on their:AAtomic massesBMolecular massesCEquivalent massesDActive masses Like 0 Discuss 0Share
Chemical EquilibriumLaw of Mass Action30Choose the best answerAccording to the law of mass action, reaction rate is related to the:AColour of reactantsBActive masses or molar concentrations of reactantsCMolecular masses of products onlyDVolume of the apparatus only Like 0 Discuss 0Share