Answer these Chemical Equilibrium MCQs and assess your grip on the subject of Chemical Equilibrium. Scroll below and get started!
A. All chemical reactions have ceased
B. The rates of the forward and reverse reactions are equal
C. The rate constants of the forward and reverse reactions are equal
D. The value of the equilibrium constant is 1
E. The limiting reagent has been consumed
A. 50
B. 30
C. 40
D. 20
A. A state in which a chemical reaction has stopped occurring
B. A state in which reactants and products coexist in constant concentrations
C. A state in which a reaction proceeds to completion
D. A state in which reactants are completely consumed
A. The rates of the forward and reverse reactions are equal
B. The concentrations of reactants and products are equal
C. The concentration of reactants is zero
D. The equilibrium constant is unity
A. Temperature
B. Pressure
C. Catalysts
D. Concentration of reactants
A. The reaction rate is zero
B. The reaction rate is constant but not zero
C. The forward and reverse reaction rates are equal
D. The reaction rate continuously increases
A. It helps determine the equilibrium constant for a reaction
B. It predicts the effect of changes in temperature, pressure, and concentration on the equilibrium position
C. It determines the rate of reaction at equilibrium
D. It quantifies the extent of reaction at equilibrium
A. It shifts the equilibrium towards the reactants
B. It shifts the equilibrium towards the products
C. It has no effect on the equilibrium position
D. It slows down the reaction rate
A. It increases the reaction rate but does not affect the equilibrium position
B. It shifts the equilibrium towards the reactants
C. It has no effect on the reaction rate or equilibrium position
D. It shifts the equilibrium towards the products
A. It has no effect on the equilibrium position
B. It shifts the equilibrium towards the side with fewer moles of gas
C. It shifts the equilibrium towards the side with more moles of gas
D. It increases the reaction rate at equilibrium
A. Kc is always greater than Qc at equilibrium
B. Kc and Qc are equal at equilibrium
C. Kc is the ratio of products to reactants at equilibrium, while Qc represents the ratio of products to reactants at any point in the reaction
D. Kc is a measure of the reaction rate, while Qc represents the equilibrium position
A. By increasing the concentration of reactants
B. By decreasing the temperature
C. By removing some of the products
D. By removing some of the reactants