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ChemistryLiquid SolutionAbnormal Colligatiove PropertiesMedium2 minPYQ_2019

ChemistryMediumsingle choice

The elevation in boiling point of 2.25 mole aqueous solution of a substance is
$(K_{b} = 0.52 K k g m o l^{- 1})$

Options:

Answer:

Solution:

Key IdeaElevation in boiling is directly proportional to molal concentration of solute in a solution $Δ t_{2} \propto Δ T_{b} = K_{b} m$
The elevation in boiling point $(Δ T_{b})$ of 0.25 molal aqueous solution of a substance is
$Δ T_{b} = K_{b} \times m = 0.52 \times 0.25 = 0.13 K$

Stream:MHT_CETSubject:ChemistryTopic:Liquid SolutionSubtopic:Abnormal Colligatiove Properties

⏱ 2mℹ️ Source: PYQ_2019

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