1.

For the reaction `AB (g) hArr A(g) + B(g), AB ` is 33 % dissociated at a totalpressure of P . Therefore, P is related to `K_(p)`by one of the following optionsA. `P=K_(p)`B. ` P=3 K_(p)`C. ` P=4K_(p)`D. ` P=8 K_(p)`

Answer» Correct Answer - D
`{:(,AB (g),hArr,A(g),+,B(g)),("Intial moles:",1,,0,,0),("Moles at eqm:",1-0.33,,0.33,,0.33):}`
`0.67`
Total moles at eqm. =1.33
`p_(A) =(0.33/1.33)P, p_(B)=(0.33/1.33) P,p_(AB)=(0.67/1.33)P`
`K_(p) = (p_(A) xxp_(B))/p_(AB) = (0.33 xx 0.33 xx P)/(0.67 xx 1.33)`
`P/K_(p)=8 or P =8 K_(p).`


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