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In the equilibrium, 2SO(2)(g)+O(2)(g)hAr...

In the equilibrium, `2SO_(2)(g)+O_(2)(g)hArr2SO_(3)(g)` the partial pressure of `SO_(2),O_(2)` and `SO_(3)` are 0.662, 0.10 and 0.331 atm respectively. What should be the partial pressure of oxygen so that the equilibrium concentration of `SO_(2)` and `SO_(3)` are equal.

A

`0.4" atm "`

B

`1.0" atm "`

C

`0.8" atm "`

D

`0.25" atm "`

Text Solution

Verified by Experts

The correct Answer is:
A
`2SO_((g))+O_(2)(g)hArr2SO_(3(g))`
`K_(P)=((P_(SO_(3)))^(2))/(P_(SO2)^(" "2)PO_(2))=((0.331)^(2))/((0.662)^(2)xx0.1)=(1)/(0.4)" atm"^(-1) `
`{:(" "2SO_(2)(g)+O_(2)(g)hArr2SO_(3)(g)),(Let" "P" "P" "P):},`
`K_(P)=(1)/(0.4)=((P)^(2))/((P)^(2)xxP_(O_(2)))`
`P_(O_(2))=0.4" atm Ans."`
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