CBSE Class 11 Equilibrium in Chemical processes Worksheet A

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1. State the law of chemical equilibrium.

2. Write the equilibrium constant for the following equation :

aA +bB ⇌cC + dD

3. Write the expression for the equilibrium constant for the reaction :

4NH₃ (g) + 50₂ (g) ⇌4NO (g) + 6H₂ O (g)

4. Write the chemical equation for the following chemical constant.

5. When the total number of moles of product and reactants are equal, K has no unit. Give reason.

6. What is the unit of equilibrium for the reaction N₂(g) + 3H₂(g) ⇌2NH₃ (g).

7. Give the relation Kp = Kc (RT)^Δn .

8. Write the relationship between Kp and Kc for the following reactions:

(a) PCl₅ ⇌PCl₃ (q)+ Cl₂(q)

(b) N₂ (q)+ 3H₂ (q)⇌2NH₃(g)

(c) H₂(g) + I₂(g)⇌2HI(g)

(d) 2H₂O(g) ⇌2H₂O (g) +O₂(g)

9. Write the expression for equilibrium constant Kp for the reaction 3Fe (s) + 4H₂O ⇌Fe₃O4 (s) + 4H₂(g)

10. The equilibrium constant for the reaction H₂O + CO ⇌H₂ + CO₂ Is 0.44 at 1260k. What will be the value of the equilibrium constant for the reaction : 2H₂ (g) + 2CO (g) ⇌2CO(g) + 2H₂O (g) at 1260 K 

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