Chemistry Class 11 NCERT Solutions: Chapter 7 Equilibrium Part 8

Chemistry Class 11 NCERT Solutions Chapter 7 Equilibrium Part 8

Q: 22. Monochloride Equation decomposes into bromine and chloride and reaches the equilibrium: Equation

For which Equation at 500 K. If initially pure Equation is present at a concentration of Equation Equation , what is its molar concentration in the mixture at equilibrium?

Answer:

Let the amount of bromine and chlorine formed at equilibrium be Equation The given reaction is

Equation

Now, we can write,

Equation

Equation

Equation

Equation

Equation

Equation

Therefore, at equilibrium,

Equation

Equation

Equation

Equation

Q: 23. At 1127 K and 1 atm pressure, a gaseous mixture of Equation in equilibrium with solid carbon has Equation by mass

Equation

Calculate Equation for this reaction at the above temperature.

Answer:

Let the total mass of the gaseous mixture be 100 g.

Mass of Equation

And, mass of Equation

Now, number of moles of Equation

Number of moles of Equation

Partial pressure of Equation

Equation

Equation

Equation

Partial pressure of Equation

Equation

Equation

Equation

Therefore, Equation

Equation

Equation

For the given reaction,

Equation

We know that,

Equation

Equation

Equation

Equation

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