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AB(3)(g)is dissociates as AB(3)(g)hArrAB...

`AB_(3)(g)`is dissociates as `AB_(3)(g)hArrAB_(2)(g)+(1)/(2)B_(2)(g)`
When the initial pressure of `AB_(3)` is800 torr and the pressure developed at equilibrium is 900 torr , what fraction of `AB_(3)(g)` is dissociated?

A

`10%`

B

`20%`

C

`25%`

D

`30%`

Text Solution

Verified by Experts

The correct Answer is:
3
`{:(,AB_(3)(g),hArr,AB_(2)(g),+,(1)/(2)B_(2)(g)),("At eqm 800-x",,x,x//2,,),(800-x+x+(x)/(2)=900rArr,x=200,,,rArr,%"dissociated"=(200)/(800)xx100=25):}`
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