Chemistry

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 In a dilute solution, the elevation of the boiling point is very small which necessitates the use of very…

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

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 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 The vapor 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 If a non-volatile and non-electrolyte solute like sucrose, glucose or urea is dissolved in a solvent like…

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…

Ideal Solution As we know, solution is said to be ideal when it obeys Raoult’s law over all compositions and at all temperatures. Such a…

Solvent Extraction Solvent Extraction, also known as liquid-liquid extraction, is a method to separate compounds based on their relative solubility’s in two different immiscible liquids,…