Chemistry - Chemical Equilibrium Question with Solution | TestHub
ChemistryChemical EquilibriumProblems involving KpHard2 minQB
ChemistryHardsingle choice
If 'a' is the fraction of SO3 present by volume in an equilibrium mixture made from two volumes of SO2 and one volume of O2 and P is the total pressure, then
Options:
Answer:
D
Solution:
2SO2(g) + O2(g) ⇌ 2SO3(g) The mole fraction of SO3 is a, and the rest, 1 - a, is SO2 and O2 in the ratio 2:1
xSO2 = 2(1-a)/3 and xO2 = (1-a)/3
Kp = (aP)2/[(2(1-a)P/3)2 ((1-a)P/3)]
Kp = (27 a2)/(4 (1-a)3 P)
a2/(1-a)3 = (4Kp/27) P
So a2/(1-a)3 ∝ P, option (d).
Stream:JEESubject:ChemistryTopic:Chemical EquilibriumSubtopic:Problems involving Kp
⏱ 2mℹ️ Source: QB
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