(A) The vapour pressure $(V.P.)$ of a solution is always lower than that of the pure solvent due to the presence of non-volatile solute particles.At t

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(A) The vapour pressure $(V.P.)$ of a solution is always lower than that of the pure solvent due to the presence of non-volatile solute particles.At the freezing point,the solid phase of the solvent is in equilibrium with the liquid phase of the solution. Only the solvent molecules solidify,while the solute remains in the liquid phase.Therefore,statements $A$ and $D$ are correct.

Class 12 Chemistry Solutions Mix Examples of Solutions

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In the depression of freezing point experiment:
$A.$ Vapour pressure of the solution is less than that of pure solvent
$B.$ Vapour pressure of the solution is more than that of pure solvent
$C.$ Only solute molecules solidify at the freezing point
$D.$ Only solvent molecules solidify at the freezing point

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A
$A$ and $D$ only
B
$B$ and $C$ only
C
$A$ and $C$ only
D
$A$ only

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DifficultJEE MAIN 2025

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Which of the following statements concerning the properties of solutions describes a colligative effect?

MediumAIIMS 2003

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$PbCl_2$ is dissolved in water to make its saturated solution. What will be the freezing point of this solution?
Given: $K_f (H_2O) = 2 \ K \ kg \ mol^{-1}$,$K_{sp} (PbCl_2) = 4 \times 10^{-6}$
(Assume molarity to be equal to molality) $..... ^oC$

Medium

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An amalgam of mercury with sodium is an example of:

EasyMHT CET 2020

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Elevation in boiling point for $1.5 \, m$ solution of glucose in water is $4 \, K$. The depression in freezing point for $4.5 \, m$ solution of glucose in water is $4 \, K$. The ratio of molal elevation constant to molal depression constant $(K_{b} / K_{f})$ is $....$

MediumJEE MAIN 2022

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$2 \ \text{moles}$ each of ethylene glycol and glucose are dissolved in $500 \ \text{g}$ of water. The boiling point of the resulting solution is $:$ (Given $:$ Ebullioscopic constant of water $= 0.52 \ \text{K kg mol}^{-1}$) (in $\text{K}$)

Which of the following statements concerning the properties of solutions describes a colligative effect?

$PbCl_2$ is dissolved in water to make its saturated solution. What will be the freezing point of this solution?Given: $K_f (H_2O) = 2 \ K \ kg \ mol^{-1}$,$K_{sp} (PbCl_2) = 4 \times 10^{-6}$(Assume molarity to be equal to molality) $..... ^oC$

An amalgam of mercury with sodium is an example of:

Elevation in boiling point for $1.5 \, m$ solution of glucose in water is $4 \, K$. The depression in freezing point for $4.5 \, m$ solution of glucose in water is $4 \, K$. The ratio of molal elevation constant to molal depression constant $(K_{b} / K_{f})$ is $....$

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$PbCl_2$ is dissolved in water to make its saturated solution. What will be the freezing point of this solution?
Given: $K_f (H_2O) = 2 \ K \ kg \ mol^{-1}$,$K_{sp} (PbCl_2) = 4 \times 10^{-6}$
(Assume molarity to be equal to molality) $..... ^oC$