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ChemistryLiquid SolutionMiscellaneous/MixedEasy2 minPYQ_2020

ChemistryEasysingle choice

If $P^{0}$ and $P_{S}$ are the vapour pressures of the solvent and solution respectively, $n_{1}$ and $n_{2}$ are the mole fractions of the solvent and solute respectively, then

Options:

Answer:

Solution:

According Raoult’s law, $\frac{P^{0} - P_{S}}{P^{0}} = \frac{n}{n + N};$ or
$\frac{P^{0} - P_{S}}{P^{0}} = n_{2}$ (as given) or $1 - \frac{P_{S}}{P^{0}} = n_{2}$
Or $\frac{P_{S}}{P^{0}} = 1 - n_{2} = n_{1}$ or $P_{S} = P^{0} \times n_{1}$

Stream:NTA_ABHYASSubject:ChemistryTopic:Liquid SolutionSubtopic:Miscellaneous/Mixed

⏱ 2mℹ️ Source: PYQ_2020

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