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Class 11 Chemistry: Equilibrium
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MCQs on physical processes equilibrium, dynamic equilibrium, chemical equilibrium and equilibrium constant laws, homogeneous and heterogeneous equilibria, equilibrium constants applications, ionic equilibrium, relationship between equilibrium constant, reaction quotient and gibbs energy, acids, bases and salts, buffer solutions, sparingly soluble salts solubility equilibria, acids and bases ionization.

Class 11 Chemistry: Equilibrium
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25 Questions

1. Is a relationship between reaction quotient and Gibbs free energy at a temperature T?
2. For a reaction, Kc = 3.81 × 10–3 and ΔG0 = 13.8 kJ/mol. Then what is the value of R?
3. What is the reverse reaction of s of water?
4. What is the expression of KC of the chemical equation Ag2O(s) + 2HNO3(aq) \(\rightleftharpoons\) 2AgNO3(aq) +H2O(l)?
5. NaCl is a ________ salt.
6. What is the value of the ionic product of water at 298k?
7. Given that at 800k the concentrations are as follows: N2=3.0 × 10–3M, O2 = 4.2 × 10–3M and NO = 2.8 × 10–3M, what is the equilibrium constant for the reaction N2(g) + O2(g) \(\rightleftharpoons \) 2NO(g)?
8. CH3COOH \(\rightleftharpoons\) CH3COO– + H+ is in __________________
9. The equilibrium in a chemical reaction is represented by the symbol ____________
10. Which of the following substances cannot act as both acid as well as a base?
11. A neutralization reaction results in the formation of _______________
12. When solid sugar dissolves in the solution __________ equilibrium is attained.
13. Dynamic equilibrium mainly concerns about _______________
14. What will happen if KC > 10-3 in a chemical reaction?
15. Buffer solution is destroyed when _____________
16. In a reaction, if the value of Gibbs free energy is greater than zero what does it infer?
17. Which of the following is an example of solid-liquid equilibrium?
18. Which of the following is in Ionic Equilibrium?
19. Which of the following may not be a strong electrolyte?
20. If we use activities in place of molar concentration in an equilibrium constant expression then what is the dimension of k?
21. At constant pressure, if the inert gases added then the equilibrium will shift in the direction of ___________
22. Common Ion effect can be used in which of the following cases?
23. Which side does the catalyst shift the equilibrium position?
24. What will happen to the position of equilibrium if the concentration of one of the products is increased?
25. Which of the following is an equation used to calculate the pH of a buffer solution for an acidic buffer?

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