At `800^(@)C,` the following equilibrium is established as `F_(2)(g)hArr2F(g)` The cojmpositionof equilibrium may be determinded by measuring the rate of effusion of theh kmixture through a pin hole. It is found that at `800^(@)C` and `1` atm mixture effuses `1.6` times as fast as `SO_(2)` effuse under the similar conditions. (At. mass of F =`19`) what is the value of `K_(p)` (in atm) ?
A
`0.315`
B
`0.685`
C
`0.46`
D
`1.49`
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D
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