This video lecture from Solutions (F.Sc. Chemistry Book 1) covers the concept of the elevation of boiling point when a solute is added into the solvent, a detailed discussion on the graph between the temperature and vapor pressure and derivation of the mathematical expressions. Find more e-learning material and educational video lectures in Urdu at maktab.pk. These videos are free to use for promotional and commercial purpose by keeping the credits to Maktab.