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Byju's Answer

Standard XII

Chemistry

Le Chatelier's Principle for Del N Equals to 0

Consider the ...

Question

Consider the reaction, $P C l_{5} (g) ⇌ P C l_{3} (g) + C l_{2} (g)$ in a closed container at equilibrium at a fixed temperature. What will be the effect of adding more $P C l_{5}$ on the equilibrium concentration of $C l_{2} (g)$ ?

The concentration of

C l_{2}

decreases

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The concentration of the

C l_{2}

increases

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It remains unaffected

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It cannot be predicted without the value of

K_{p}

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Solution

The correct option is B The concentration of the $C l_{2}$ increases
The equilibrium reaction is $P C l_{5} (g) ⇌ P C l_{3} (g) + C l_{2} (g)$ . When some $P C l_{5}$ is added its concentration is increased.

The equilibrium will shift to right so that more $P C l_{5}$ is consumed which will nullify the effect of increased concentration of $P C l_{5}$ . Due to this the equilibrium concentration of chlorine gas increases.

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Similar questions

Q. Consider the reaction,

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

in a closed container at equilibrium at a fixed temperature. What will be the effect of adding more

P C l_{5}

on the equilibrium concentration of

C l_{2} (g)

Q. At a certain temperature, the reaction

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

has an equilibrium constant

K_{c} = 5.8 \times 10^{2}

. Calculate the equilibrium concentrations of

P C l_{5}, P C l_{3}

and

C l_{2}

if only

P C l_{5}

is present initially,at a concentration of

0.160 M

Q. Suppose the reaction

P C l_{5} (g)

⇌

P C l_{3} (g)

C l_{2} (g)

as equlibirium in closed vessel. What is the effect on equilibirium concentration of the

C l_{2} (g)

by adding

P C l_{5}

at constant temperatue

Q. Following two equilibrium is simultaneously established in a container

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

C O (g) + C l_{2} (g) ⇌ C O C l_{2} (g)

If some

N i (s)

is introduced in the container forming

N i (C O)_{4} (g)

then at new equilibrium

Q. A sample of pure

{P C l}_{5}

was introduced into an evacuated vessel at 473 K. After equilibrium was attained, concentration of

{P C l}_{5}

was found to be

0.5 \times 10^{- 1} m o l L^{- 1}

. If value of

K_{c}

8.3 \times 10^{- 3}

, what are the concentrations of

{P C l}_{3}

and

{C l}_{2}

at equilibrium?

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

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Consider the reaction, PCl5(g)⇌PCl3(g)+Cl2(g) in a closed container at equilibrium at a fixed temperature. What will be the effect of adding more PCl5 on the equilibrium concentration of Cl2(g)?

Consider the reaction, $P C l_{5} (g) ⇌ P C l_{3} (g) + C l_{2} (g)$ in a closed container at equilibrium at a fixed temperature. What will be the effect of adding more $P C l_{5}$ on the equilibrium concentration of $C l_{2} (g)$ ?