In the following system, at equilibrium, upon addition of xenon gas at constant T and P, the concentration of [2025]

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Q.
In the following system,

${PCl}_{5} (g) ⇌ {PCl}_{3} (g) + {Cl}_{2} (g)$ at equilibrium, upon addition of xenon gas at constant T and P, the concentration of [2025]

1 ${PCl}_{5}$ will increase

2 ${Cl}_{2}$ will decrease

3 ${PCl}_{5}, {PCl}_{3}$ and ${Cl}_{2}$ remain constant

4 ${PCl}_{3}$ will increase

Ans.
(4)

If inert gas is added at constant pressure, then volume of the system increases. This decreases partial pressure of components of the system. To increase the partial pressure, system moves in a direction of more number of gaseous moles i.e. in forward direction.

Solution

Q.
In the following system,

${PCl}_{5} (g) ⇌ {PCl}_{3} (g) + {Cl}_{2} (g)$ at equilibrium, upon addition of xenon gas at constant T and P, the concentration of [2025]

1 ${PCl}_{5}$ will increase

2 ${Cl}_{2}$ will decrease

3 ${PCl}_{5}, {PCl}_{3}$ and ${Cl}_{2}$ remain constant

4 ${PCl}_{3}$ will increase

Ans.
(4)

If inert gas is added at constant pressure, then volume of the system increases. This decreases partial pressure of components of the system. To increase the partial pressure, system moves in a direction of more number of gaseous moles i.e. in forward direction.

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Solution

Q. In the following system, PCl5(g)⇌PCl3(g)+Cl2(g) at equilibrium, upon addition of xenon gas at constant T and P, the concentration of [2025]

1 PCl5 will increase

2 Cl2 will decrease

3 PCl5,PCl3 and Cl2 remain constant

4 PCl3 will increase

Ans. (4) If inert gas is added at constant pressure, then volume of the system increases. This decreases partial pressure of components of the system. To increase the partial pressure, system moves in a direction of more number of gaseous moles i.e. in forward direction.

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Q.
In the following system,

${PCl}_{5} (g) ⇌ {PCl}_{3} (g) + {Cl}_{2} (g)$ at equilibrium, upon addition of xenon gas at constant T and P, the concentration of [2025]

1 ${PCl}_{5}$ will increase

2 ${Cl}_{2}$ will decrease

3 ${PCl}_{5}, {PCl}_{3}$ and ${Cl}_{2}$ remain constant

4 ${PCl}_{3}$ will increase

Ans.
(4)

If inert gas is added at constant pressure, then volume of the system increases. This decreases partial pressure of components of the system. To increase the partial pressure, system moves in a direction of more number of gaseous moles i.e. in forward direction.