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Standard XII

Chemistry

Reactivity Trends (Group 2)

For 2SO2 + O2...

Question

For 2SO2 + O2 <> 2SO3 Initial moles of of SO2 and O2 are 8 and 4 respectively.If degree of dissociation of SO2 is 50% then find degree of dissociation of O2 and mole fraction of SO3 at equilibrium.

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At 900k and 1atm SO3 is partially dissociated into SO2 and O2 if density of equilibrium mixture is 0.925g÷L what is degree of dissociation . Is 34.12%

Q. In the equilibrium,

2 {S O}_{2} + O_{2} ⇌ 2 S O_{3}

the partial pressure of

{S O}_{2}, O_{2}

and

S O_{3}

are 0.662,0.10 and 0.331 respectively.What should be the partial pressure of oxygen so that the equilibrium concentration of

{S O}_{2}

and

S O_{3}

are equal?

K_{c}

for

2 S O_{2} + O_{2} ⇌ 2 S O_{3}

in a

10 l i t

flask at certain

T

100 l i t . m o l^{- 1}

. Now , if equilibrium pressures of

S O_{2}

and

S O_{3}

are equal , then mass of

O_{2}

present at equilibrium is:

Q. What is

K_{c}

for the following equilibrium when the equilibrium concentration of each substance is:

[S O_{2}] = 0.60 M, [O_{2}] = 0.82 M

and

[S O_{3}] = 1.90 M

2 S O_{2} + O_{2} ⇌ 2 S O_{3}

Q. The equilibrium mixture for

{2 S O}_{2} + O_{2} ⇌ {2 S O}_{3}

present in I L vessel at 600C contains 0.50, 0.12, and 5.0 moles of

S O_{2}, O_{2}

and

S O_{3}

respectively.
A) Calculate

K_{C}

for the given change at

600^{0} C

.
B) Also calculate

K_{P}

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