1.

If dissociation for reaction, PCl_(5)hArrPCl_(3)+Cl_(2) is 20% at 1 atm, pressure. Calculate K_(c)

Answer»

`0.04`
`0.05`
`0.07`
`0.06`

Solution :`K_(C)=([PCl_(3)][Cl_(2)])/([PCl_(5)])=([(20)/(100)]XX[(20)/(100)])/([(80)/(100)])`
`=(0.2xx0.2)/(0.8)=(0.04)/(0.8)=0.05`


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