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A(2)B((g)) is introduced in a vessel at ...

`A_(2)B_((g))` is introduced in a vessel at `1000K`. If partial pressure of `A_(2)B(g) "is" 1` atm initially and `K_(P)` for reaction `A_(2)B_((g))hArr2A(g)+B(g) "is" 81xx10^(-6)` then calculate percentage of dissociation of `A_(2)B`.

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The correct Answer is:
3
`{:(,A_(2)B_((g)),hArr,2A(g),+,B(g)),(at t=0,1,,0,,0),(at eq.,(1-x),,2alpha,,alpha):}`
(partial pressure)
Hence, `(1-alpha)=1`
`((2x)^(2)xx(alpha))/((1))=81xx10^(-6)`
`alpha=3xx10^(-2)`
percentage of dissociation `=3xx10^(-2)xx100=3%`
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