Chemistry - Liquid Solution Question with Solution | TestHub

ChemistryLiquid SolutionAbnormal Colligatiove PropertiesEasy2 minPYQ_2020
ChemistryEasysingle choice

0.85% aqueous solution ofNaNO3is apparently 90% dissociated. The osmotic pressure of solution at 300 K is

Options:

Answer:
A
Solution:

M=W×1000mol.wt.×V
Molarity=1000cm3×0.85g100cm3×85gmol-1=0.1molL-1
NaNO3→Na++NO3-
Soi=1-α+α-α1
=1+α=1+0.90=1.90
π=iCRT=1.90×0.1×0.082×300
=4.674atm.

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Liquid SolutionSubtopic:Abnormal Colligatiove Properties
⏱ 2mℹ️ Source: PYQ_2020

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