When 19.5 g of F – CH₂ – COOH (Molar mass = 78 g mol⁻¹), is dissolved in 500 g of water, the depression in freezing point is observed to be 1°C. Calculate the degree of dissociation of F – CH₂ – COOH. [Given : Kf for water = 1.86 K kg mol⁻¹]

Depression of Freezing Point, Van't Hoff Factor and Its Significance | PadhAiPro

Question

TextDepression of Freezing PointVan't Hoff Factor and Its SignificanceCBSE PYQ

Similar Questions

Give reasons for the following:

CASE_STUDIESSolubility of Gases in LiquidsDepression of Freezing Point

0.3 g of acetic acid (M = 60 g mol⁻¹) dissolved in 30 g of benzene shows a depression in freezing point equal to 0.45°C. Calculate the percentage association of acid if it forms a dimer in the solution. (Given: Kf for benzene = 5.12 K kg mol⁻¹)

Text

Abnormal Molecular Mass in Solutions

Van't Hoff Factor and Its Significance

Why is boiling point of 1M NaCl solution more than that of 1M glucose solution ?

TextColligative Properties of SolutionsRelative Lowering of Vapour PressureElevation of Boiling PointDepression of Freezing PointOsmosis and Osmotic PressureVan't Hoff Factor and Its Significance

A non-volatile solute 'X' (molar mass = 50 g mol⁻¹) when dissolved in 78g of benzene reduced its vapour pressure to 90%. Calculate the mass of X dissolved in the solution.

TextColligative Properties of SolutionsRelative Lowering of Vapour PressureElevation of Boiling PointDepression of Freezing PointOsmosis and Osmotic PressureVan't Hoff Factor and Its Significance

Calculate the boiling point elevation for a solution prepared by adding 10g of MgCl₂ to 200g of water assuming MgCl₂ is completely dissociated. (Kb for Water = 0.512 K kg mol⁻¹, Molar mass MgCl₂ = 95g mol⁻¹)

TextColligative Properties of SolutionsRelative Lowering of Vapour PressureElevation of Boiling PointDepression of Freezing PointOsmosis and Osmotic PressureVan't Hoff Factor and Its Significance

Why is the value of Van't Hoff factor for ethanoic acid in benzene close to 0.5 ?

TextColligative Properties of SolutionsRelative Lowering of Vapour PressureElevation of Boiling PointDepression of Freezing PointOsmosis and Osmotic PressureVan't Hoff Factor and Its Significance