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Introduction

Cryoscopic co...

Question

Cryoscopic constant of a liquid is:

decrease in freezing point when 1 gram of solute is dissolved per kg of the solvent

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decrease in the freezing point when 1 mole of solute is dissolved per kg of the solvent

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the elevation for 1 molar solution

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a factor used for calculation of elevation in boiling point

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Solution

The correct option is B decrease in the freezing point when 1 mole of solute is dissolved per kg of the solvent
we have
$Δ T_{F} = K_{f} * m$
so, Cryoscopic constant $K_{f}$ is defined as decrease in the freezing point when 1 mole of solute is dissolved per kg of solvent.

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Similar questions

1 m o l e

1 k g

Calculate the freezing point of a solution when 31 gram of Ethylene glycol is dissolved in 500 gram of water. (

Kf for water=1.86 k kg /mol

1 g

= 50 g

{m o l}^{- 1}

50 g

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{100.18}^{\circ} C .

K_{f}

K_{b}

{1.86}^{\circ} C k g m o l^{- 1}

{0.512}^{\circ} C k g m o l^{- 1}

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