You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard XII

Chemistry

Derivation of Kp and Kc

The equilibri...

Question

The equilibrium concentration in terms of mole are given for the reaction at 18 atm $P$
$P C l_{5} ⇌ P C l_{3} + C l_{2}$
mole at equilibrium 3 3 3
The value of $K_{p}$ is :

Open in App

Solution

Total pressure $P = 18 a t m$ .
The number of moles of $P C l_{5}, P C l_{3}$ and $C l_{2}$ are 3, 3 and 3 respectively.
The mole fractions of $P C l_{5}, P C l_{3}$ and $C l_{2}$ are 0.333, 0.333 and 0.333 respectively.

The partial pressures of $P C l_{5}, P C l_{3}$ and $C l_{2}$ are $0.333 \times 18 = 6 a t m, 6 a t m$ and $6 a t m$ respectively.
Hence, the value of $K_{p}$ is $K_{p} = \frac{P_{P C l_{3}} \times P_{C l_{2}}}{L_{P C l_{5}}} = \frac{6 \times 6}{6} = 6$ .

Suggest Corrections

Similar questions

Q. A reaction at equilibrium involving 2 moles each of

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

and

C l_{2}

is maintained at

250^{o} C

and a total pressure of 3 atm. The value of

K_{p}

is :
Given:

P C l_{5} ⇌ P C l_{3} + C l_{2}

Q. In the reaction,

P C l_{5} ⇌ P C l_{3} + C l_{2}

, the amount of

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

and

P C l_{2}

at equilibrium are

2

moles each and the total pressure is

3

atm. The equilibrium constant

K_{p}

is:

$P C l_{5} ⇌ P C l_{3} + C l_{2}$ in the reversible reaction, the moles of $P C l_{5}$ , $P C l_{3}$ and $C l_{2}$ are a, b and c respectively at equilibrium and total pressure is P, then value of $K_{p}$ is:

Q. In the reaction,

P C l_{5} ⇌ P C l_{3} + C l_{2}

, the amount of each

P C l_{5}

P C l_{3}

and

C l_{2}

2

mole at equilibrium and total pressure is

3

atmosphere. The value of

K_{p}

will be:

Q. In the reaction

P C l_{5} ⇌ P C l_{3} + C l_{2}

the amount of each

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

and

C l_{2}

is 2 mole at equilibrium and total pressure is 3 atmosphere. The value of

k_{p}

will be:

Join BYJU'S Learning Program

The equilibrium concentration in terms of mole are given for the reaction at 18 atm P PCl5⇌PCl3+Cl2mole at equilibrium 3 3 3The value of Kp is :

The equilibrium concentration in terms of mole are given for the reaction at 18 atm $P$
$P C l_{5} ⇌ P C l_{3} + C l_{2}$
mole at equilibrium 3 3 3
The value of $K_{p}$ is :