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Chemistry - Chemical Equilibrium Question with Solution | TestHub

ChemistryChemical EquilibriumDegree of Dissociation/Vapour Density/Molar MassMedium2 minQB

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Passage / Comprehension

Vapor density of a gaseous mixture containing only Ne and SO₃ gases is 30. When the mixture is left for some time, the vapor density decreases and finally becomes 25. This happened due to the dissociation of some SO₃ gas into SO₂gas and O₂ gas. (Atomic mass of Ne = 20)

What is initial mole ratio of Ne and $SO_{3}$ ?

Options:

Answer:

Solution:

$n_{Ne} = a, n_{SO_{3}} = b$

$20 a + 80 b = 60 (a + b)$

$\frac{a}{b} = \frac{1}{2}$

Stream:JEESubject:ChemistryTopic:Chemical EquilibriumSubtopic:Degree of Dissociation/Vapour Density/Molar Mass

⏱ 2mℹ️ Source: QB

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