Sindh MDCAT 2022 Chemistry#Chemical Equilibrium#Strong Electrolytes101Choose the best answerQ.96 A strong electrolyte is one that ______ completely in solution:AReactsBDecomposesCDisappearsDIonizes Like 0 Discuss 0Share
Chemical EquilibriumEffect of Catalyst on Equilibrium102Choose the best answerA catalyst increases the rate of a reversible reaction because it:AProvides an alternative pathway with lower activation energyBIncreases molecular kinetic energyCShifts equilibrium permanently toward productsDSlows the backward reaction Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Kc103Choose the best answerA very large value of Kc shows that, at equilibrium, the reaction is:APredominantly reverseBVirtually complete in the forward directionCAt equilibrium with equal reactant and product concentrationsDUnable to proceed Like 0 Discuss 0Share
Chemical EquilibriumEquilibrium Constant Kc104Choose the best answerFor A + B ⇌ C + D, equal initial concentrations of A and B are used. At equilibrium, the concentration of C is twice that of A. The value of Kc is:A4B2C1/4D1/2 Like 0 Discuss 0Share
Chemical EquilibriumDynamic Equilibrium105Choose the best answerFor A ⇌ B, equilibrium is reached when:AA completely changes into BBExactly 50% of A changes into BCRate of A → B equals rate of B → ADOnly 10% of A changes into B Like 0 Discuss 0Share