Measurement of Depression of Freezing Point

Measurement of Depression of Freezing Point The arrangement for cryoscopic determination of molar mass of a solute is shown in Figure. The apparatus essentially consists......

Depression of Freezing Point

Depression of Freezing Point The freezing point of a liquid is defined as the temperature at which the liquid and solid forms are in equilibrium......

Osmotic Pressure Definition with Explanation

Osmotic Pressure If a concentrated solution and a dilute solution of the same solute are placed together in the same container the solute particles move......

Osmosis Pressure

Osmosis Pressure We know that a gas or vapour spreads out from a region of high pressure to a region of low pressure. Similarly, if......

Measurement of Elevation of Boiling Point by Cottrell’s Method

Measurement of Elevation of Boiling Point by Cottrell’s Method Cottrell’s method: Cottrell (1910) devised an ingenious method for measurement of boiling point in which superheating was......

Measurement of Elevation of Boiling Point

Measurement of elevation of boiling point In dilute solution the elevation of boiling point is very small which necessitates the use of very sensitive thermometers.......

Measurement of Lowering of Vapour Pressure by Ostwald and Walker Method

Measurement of Lowering of Vapour Pressure by Ostwald and Walker Method A number of other devices have been developed for measurement of difference of vapour......

Measurement of Lowering of Vapour Pressure

Measurement of Lowering of Vapour pressure A number of methods for the determination of vapour pressure of liquids are not suitable for accurate measurement of......

Elevation of Boiling Point

Elevation of Boiling Point The boiling point of a liquid is defined as the temperature at which the vapour pressure is equal to the atmospheric......

Derivation of Raoult’s Law

Derivation of Raoult’s Law The vapour pressure of a liquid is governed by the ‘escaping tendency’ of the molecules in the liquid and the number......

Lowering of Vapour Pressure: Properties of Dilute Solutions

Lowering of Vapour Pressure: Properties of Dilute Solutions If a non-volatile and non-electrolyte solute like sucrose, glucose or urea is dissolved in a solvent like......

Colligative Properties

Colligative Properties If the concentration of the solute in a solution is very low, the solution is called a dilute solution. Four properties of dilute......