1.

At a certain temp. HIhArrH_(2)+I_(2) only 50% HI is dissociated at equilibrium. The equiliium constant is

Answer»

`0.25`
`1.0`
`3.0`
`0.50`

SOLUTION :`UNDERSET(50)underset(100)(2HI)hArrunderset(25)underset(0)(H_(2))+underset(25)underset(0)(I_(2))`
`([H_(2)][I_(2)])/([HI]^(2))=(25xx25)/(50xx50)=0.25.`


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