Chemical Equilibrium Class 11 Chemistry Test – 3

1. The equilibrium constant of a reaction is 20 units and the equilibrium constant of other reaction is 30 units when both the reactions are added up together then the equilibrium constant of the resultant reaction is given by _____________

2. If we use activities in place of molar concentration in an equilibrium constant expression then what is the dimension of k?

3. If the chemical reaction is: aA + bB → cC + dD and K is the equilibrium constant. Then what is the equilibrium constant of the reaction naA + nbB → ncC + ndD?

4. for the reaction H_2(g) + Br_2(g) ↔ 2HBr_(g) the equilibrium constant is given as 0.04 then what is the equilibrium constant for the reaction 2HBr_(g) ↔ H_2(g) + Br_2(g)?

5. The value of equilibrium constant for different chemical reactions at a particular temperature is ____________

6. What is the equilibrium constant of the following reaction: 4NH₃ + 5O₂ → 4NO + 6H₂O?

7. What does it indicate having a higher equilibrium constant?

8. A reaction is given by aA + bB → cC + dD. How do you represent an equilibrium constant?

9. If the initial concentrations of reactants in a reaction increase then the equilibrium constant ____________

10. 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 N_2(g) + O_2(g) \(\rightleftharpoons \) 2NO_(g)?