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Chemistry - Liquid Solution Question with Solution | TestHub

ChemistryLiquid SolutionAbnormal Colligatiove PropertiesEasy2 minPYQ_2020

ChemistryEasysingle choice

0.5 molal solution of ethylene glycol in water is used as a coolant in car. If the freezing point depression constant of water is ${1.86}^{o} Ckg$ per mole, the mixture will freeze at

Options:

Answer:

Solution:

$Δ T_{f} = k_{f} \times m$

$= 1.86 \times 0.5 = {0.93}^{o} C$

$∴ Δ T_{f} = T_{f}^{o} - T_{f}$

$∴ T_{f} = T_{f}^{o} - Δ T_{f}$

$= 0 - 0.93 = - {0.93}^{o} C$

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

⏱ 2mℹ️ Source: PYQ_2020

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