1

AIEEE 2008

MCQ (Single Correct Answer)

+4

-1

The equilibrium constants K

_{P1}and K_{P2}for the reactions X $$\leftrightharpoons$$ 2Y and Z $$\leftrightharpoons$$ P + Q, respectively are in the ratio of 1 : 9. If the degree of dissociation of X and Z be equal then the ratio of total pressure at these equilibria is :2

AIEEE 2008

MCQ (Single Correct Answer)

+4

-1

For the following three reactions a, b and c, equilibrium constants are given:

a. CO (g) + H

b. CH

c. CH

a. CO (g) + H

_{2}O (g) $$\leftrightharpoons$$ CO_{2}(g) + H_{2}(g) ; K_{1}b. CH

_{4}(g) + H_{2}O (g) $$\leftrightharpoons$$ CO(g) + 3H_{2}(g) ; K_{2}c. CH

_{4}(g) + 2H_{2}O (g) $$\leftrightharpoons$$ CO_{2}(g) + 4H_{2}(g) ; K_{3}3

AIEEE 2006

MCQ (Single Correct Answer)

+4

-1

Phosphorus pentachloride dissociates as follows, in a closed reaction vessel

PCl

If total pressure at equilibrium of the reaction mixture is P and degree of dissociation of PCl

PCl

_{5}(g) $$\leftrightharpoons$$ PCl_{3}(g) + Cl_{2}(g)If total pressure at equilibrium of the reaction mixture is P and degree of dissociation of PCl

_{5}is x, the partial pressure of PCl_{3}will be4

AIEEE 2006

MCQ (Single Correct Answer)

+4

-1

The equilibrium constant for the reaction

SO

is K

2SO

SO

_{3}(g) $$\leftrightharpoons$$ SO_{2}(g) + $$1 \over 2$$ O_{2}(g)is K

_{c}= 4.9 $$\times$$ 10^{–2}. The value of K_{c}for the reaction2SO

_{2}(g) + O_{2}(g) $$\leftrightharpoons$$ 2SO_{3}(g) will be :Questions Asked from Chemical Equilibrium (MCQ (Single Correct Answer))

Number in Brackets after Paper Indicates No. of Questions

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