Chemistry - Chemical Equilibrium Question with Solution | TestHub
ChemistryChemical EquilibriumLe-Chatelier's PrincipleEasy2 minQB
ChemistryEasysingle choice
One mole of N2O4 dissociates as N2O4(g) ⇌ 2NO2(g). If the degree of dissociation at equilibrium is α and the total pressure is P, then α in terms of Kp and P is
Options:
Answer:
D
Solution:
N2O4 = 1-α, NO2 = 2α, total = 1+α Kp = ((2α/(1+α)P)2)/((1-α)/(1+α)P) = 4α2P/(1-α2)
Kp(1-α2) = 4α2P, so α2(Kp + 4P) = Kp
α = √(Kp/(Kp + 4P))
This is option (d).
Stream:JEESubject:ChemistryTopic:Chemical EquilibriumSubtopic:Le-Chatelier's Principle
⏱ 2mℹ️ Source: QB
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