Chemical EquilibriumMagnitude of Equilibrium Constant51Choose the best answerWhich value of equilibrium constant indicates the greatest tendency toward products?AK = 10³BK = 10⁻²CK = 10DK = 1 Like 0 Discuss 0Share
Chemical EquilibriumEquilibrium Constant Kc52Choose the best answerFor A + B ⇌ C + D, 4 mol each of A and B are initially present. At equilibrium, 2 mol each of C and D are formed. The value of Kc is:A4B1/2C1D1/4 Like 0 Discuss 0Share
Chemical EquilibriumLaw of Mass Action53Choose the best answerThe statement that reaction rate is proportional to the active masses of reactants is known as:ALaw of mass actionBLe Chatelier’s principleCFaraday’s lawDLaw of constant proportions Like 0 Discuss 0Share
Chemical EquilibriumDynamic Equilibrium54Choose the best answerChemical equilibrium is established when:AOnly the forward reaction occursBReactant and product concentrations become equalCForward and reverse reaction rates become equalDAll reactants are consumed Like 0 Discuss 0Share
Chemical EquilibriumCommon-Ion Effect and H₂S Equilibrium55Choose the best answerFor H₂S ⇌ 2H⁺ + S²⁻, addition of NH₄OH causes the concentration of S²⁻ to:ADecreaseBRemain unchangedCIncreaseDBecome zero Like 1 Discuss 0Share