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Introduction to Le Chatelier's Principle

For the equil...

Question

For the equilibrium:
$P C l_{5} (g) ⇌ P C l_{3} (g) + C l_{2} (g)$
If the equilibrium concentration of $P C l_{5} (g)$ is doubled, the concentration of $C l_{2} (g)$ will be

A

\frac{1}{2}

of original value

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B

\frac{1}{4}

of original value

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C

\frac{1}{8}

of original value

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D

None of these

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Solution

The correct option is D None of these
According to the Le chatelier's principle, if the concentration of $P C l_{5} (g)$ is doubled, the equilibrium will shift in the forward direction, and the concentration of $C l_{2}$ will increase but it is not possible to predict since it depends upon equilibrium constant.

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Similar questions

Q. For the equilibrium:

P C l_{5} (g) ⇌ P C l_{3} (g) + C l_{2} (g)

If the equilibrium concentration of

P C l_{5} (g)

is doubled, the concentration of

C l_{2} (g)

P C l_{5} (g) ⇌ P C l_{3} (g) + C l_{2} (g)

attains equilibrium. If the equilibrium concentration of

P C l_{3} (g)

is doubled, the concentration of

C l_{2} (g)

Q. Consider the general hypothetical reaction:

A (s) ⇋ 2 B (g) + 3 C (g)

If the concentration of C at equilibrium is doubled, then after the equilibrium is re-established, the concentration of B will be :

In the system $A_{(g)}$ $⇋$ 2 $B_{(g)}$ + 3 $C_{(g)}$ if the concentration of 'C' at equilibrium is increased by a factor of 2, it will cause the equilibrium concentration of B to change to:

In the system $A_{(g)}$ $⇋$ 2 $B_{(g)}$ + 3 $C_{(g)}$ if the concentration of 'C' at equilibrium is increased by a factor of 2, it will cause the equilibrium concentration of B to change to:

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