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Chemistry - Chemical Equilibrium Question with Solution | TestHub

ChemistryChemical EquilibriumMiscellaneous/MixedEasy2 minPYQ_2020

ChemistryEasysingle choice

Acetic acid undergoes dimerisation, when dissolved in benzene

Molecular mass of acetic acid is found 120. Which among the following relation is correct?

D = theroartical vapour density
d = observed vapour density

Options:

Answer:

Solution:

Here $α = 1$
Because $C H_{3} C O O H$ will have molecualar mass = 120
Due to 100% association n =2 (for dimerisation)
For association of molecule
$α = \frac{d - D}{d (1 - \frac{1}{n})} = \frac{d - D}{d (1 - \frac{1}{2})}$
$= \frac{2 (d - D)}{d}$

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Chemical EquilibriumSubtopic:Miscellaneous/Mixed

⏱ 2mℹ️ Source: PYQ_2020

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