Chemistry - Liquid Solution Question with Solution | TestHub

ChemistryLiquid SolutionRaoult's LawEasy2 minPYQ_2020

ChemistryEasysingle choice

Benzene and toulene form an ideal solution. $3$ $m o l e$ benzene and $2$ $m o l e$ toulene are added. V.P. of pure benzene and toulene are $300$ $&$ $200$ $m m$ of $H g$ respectively. The V.P. of the solution (in mm of $H g$ ) is

Options:

Answer:

Solution:

$P_{T o t a l} = P_{B} X_{B} + P_{T} X_{T}$
$X_{B e n z e n e} = \frac{n_{B}}{n_{t o t a l}} = \frac{3}{3 + 2} = \frac{3}{5}$
$X_{t o l u e n e} = \frac{n_{T}}{n_{t o t a l}} = \frac{2}{3 + 2} = \frac{2}{5}$
$\frac{3}{5} \times 300 + \frac{2}{5} \times 200 = 260$

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Liquid SolutionSubtopic:Raoult's Law

⏱ 2mℹ️ Source: PYQ_2020

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