Chemistry Class 11 NCERT Solutions: Chapter 7 Equilibrium Part 5

Chemistry Class 11 NCERT Solutions Chapter 7 Equilibrium Part 5

Q: 14. One mole of Equation and one mole of Equation are taken in 10 L vessel and heated to Equation at equilibrium Equation of water (by mass) reacts with CO according to the equation, Equation

Calculate the equilibrium constant for the reaction

Answer:

The given reaction is:

Equation

Therefore, the equilibrium constant for the reaction,

Equation

Equation

Equation

Q: 15. At 700 K, equilibrium constant for the reaction

Equation

Is Equation If Equation is present at equilibrium at 700 K, what are the concentrations of Equation and Equation assuming that we initially started with Equation and allowed it to reach equilibrium at 700 K?

Answer;

It is given that equilibrium constant Equation for the reaction

Equation is 54.8.

Therefore, at equilibrium, the equilibrium constant Equation for the reaction

Equation will be Equation

Equation

Let the concentrations of hydrogen and iodine at equilibrium be x Equation

Equation

Therefore, Equation

Equation

Equation

Equation

Equation (Approximately)

Hence, at equilibrium, Equation

Q: 16. What is the equilibrium concentration of each of the substances in the equilibrium when the initial concentration of Equation was 0.78 M?

Equation Equation

Answer:

The given reaction is:

Equation

Now, we can write, Equation

Equation

Equation

Equation

Equation

Equation

Equation

Hence, at equilibrium,

Equation

Equation

Equation

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