Equilibrium Tes...

For the following equilibrium,

PCl₅(g)  PCl₃(g) + Cl₂ (g)

Vapour density is found to be 100 when 1 mole of PCI₅ is taken in 10 dm³ flask at 300 K. Thus, equilibrium pressure is

For the equilibrium, N₂O₄(g)  2NO₂(g)

here, d is experimental vapour density and D is theoretical vapour density. Thus, for the equilibrium 

In the following equilibrium at 400 K in 1 dm³ flask,

COCl₂ (g)CO(g) + Cl₂ (g),
ratio of theoretical and experimental vapour density is 1.4. Thus, equilibrium constant K_c is

A(g) is 100% converted into B according to the reaction,
A(g)  3b(g)
Value of   at this point is

In the dissociation of PCI₅(g)into PCI₃(g)and Cl₂(g), values of(1 + x)have been plotted versus D/d. Thus, correct graph is

CCI₄(g) dissociates 50% into gaseous free radicals at 1000 K and at equilibrium experimental vapour density is found to be 38.5. Thus, CCI₄(g) dissociates under the given conditions to

0.578 g N₂O₄(g) dissociates into 1dm³ flask at 308 K to give a pressure of 24.12 kPa.
N₂O₄ (g)  2NO₂(g)
Thus, degree of dissociation of N₂O₄ is 

SO₃(g)is partially dissociated into SO₂(g)and O₂(g) at 900K and 1 atm as: 

The density of the equilibrium mixture was found to be 0.866 gdm^-3. Thus, degree of dissociation of SO₃ (g) is

Direction (Q. Nos. 9-12) This section contains  a paragraph, wach describing theory, experiments, data etc. three Questions related to paragraph have been given.Each question have only one correct answer among the four given options (a),(b),(c),(d)

Passage I

Vapour density of the equilibrium mixture of NO₂ and N₂O₄ is found to be 40 for the gaseous phase equilibrium at 400 K in 1 dm³ flask.
N₂O₄ (g)  2NO₂(g)

Q. Equilibrium Constant K_c is 

Passage I

Vapour density of the equilibrium mixture of NO₂ and N₂O₄ is found to be 40 for the gaseous phase equilibrium at 400 K in 1 dm³ flask.

N₂O₄ (g)  2NO₂(g)
 

Q. Percentage of N0₂ in the mixture by volume is

Passage II

COCI₂ (phosgene) gas dissociates according to

COCl₂ (g)  CO(g) + Cl₂ (g)

At 101.325 kPa and at 724 K density of the gas mixture is 1.162 g dm^-3.

Q. Observed molar mass of the gaseous mixture is

Passage II

COCI₂ (phosgene) gas dissociates according to
COCl₂ (g)  CO(g) + Cl₂ (g)

At 101.325 kPa and at 724 K density of the gas mixture is 1.162 g dm^-3.

Q. Equilibrium constant K_p is

In the following hypothetical equilibrium,

Values of D/d (along y-axis) have been plotted

versus a (along x-axis.)
α = degree of dissociation
d = experimental vapour density
D = theoretical vapour density

Q. What is the value of D/d at the point A corresponding to α = 1 ?

NO₂ is 40.0% of the total volume at 300 K in the following equilibrium,

N₂O₄ (g)  2NO₂(g)

Calculate the ratio of vapour density in the absence and presence of dissociation.

PCI₅(g) dissociates according to the reaction at 523 K.

PCl₅(g)  PCl₃(g) + Cl₂ (g)          K_P = 1.78 atm
Compute the density of the equilibrium mixture in g dm^-3 at 1 atm pressure.