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At 800^(@)C, the following equilibrium i...

At `800^(@)C,` the following equilibrium is established as
`F_(2)(g)hArr2F(g)`
The composition of equilibrium may be determined by measuring the rate of effusion of the mixture 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

Text Solution

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The correct Answer is:
D
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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) ?

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The composition of the equilibrium mixture ( Cl_(2) 2Cl ) , which is attained at 1200^(@)C , is determined by measuring the rate of effusion through a pin hole. It is observed that a 1.80 mm Hg pressure, the mixture effuses 1.16 times as fact as krypton effuses under the same conditions. Calculate the fraction of chlorine molecules dissociated into atoms (atomic weight of Kr is 84 ).

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