MCQ Class 11 Chemistry Chapter 6 Equilibrium

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MCQ’s For All Chapters – Chemistry Class 11th

1. What is the state called when the rates of forward and reverse reactions become equal?

Question 1 of 20

2. At equilibrium, what happens to the concentrations of reactants and products?

Question 2 of 20

3. Which condition is necessary for equilibrium in a physical process?

Question 3 of 20

4. At 273 K and atmospheric pressure, ice and water are in equilibrium because:

Question 4 of 20

5. What is the equilibrium vapour pressure of a liquid?

Question 5 of 20

6. Which liquid has greater volatility?

Question 6 of 20

7. What happens to the boiling point of water at high altitude?

Question 7 of 20

8. Which substance is given as an example of solid-vapour equilibrium?

Question 8 of 20

9. In a saturated sugar solution, which two processes occur at equal rates at equilibrium?

Question 9 of 20

10. According to Henry's law, the amount of gas dissolved in a solvent is proportional to:

Question 10 of 20

11. Why does soda water become flat when the bottle is opened?

Question 11 of 20

12. In chemical equilibrium, the forward and reverse reactions:

Question 12 of 20

13. Chemical equilibrium can be reached:

Question 13 of 20

14. For the reaction H₂(g) + I₂(g) ⇌ 2HI(g), the equilibrium constant Kc is:

Question 14 of 20

15. For a general reaction aA + bB ⇌ cC + dD, which expression represents Kc?

Question 15 of 20

16. The equilibrium constant for the reverse reaction is:

Question 16 of 20

17. If a chemical equation is multiplied by n, the new equilibrium constant becomes:

Question 17 of 20

18. In a homogeneous equilibrium, the reactants and products are:

Question 18 of 20

19. For gaseous equilibria, equilibrium constant can be expressed using:

Question 19 of 20

20. For a general gaseous reaction, the relationship between Kp and Kc is:

Question 20 of 20


 

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