Question

6. A and B are miscible liquids that form a regular solution, but do not form an azeotrope. When a liquid solution of A and B vaporizes, the vapor will be enriched in: a. the component with higher boiling point at a given T. b. the component with lower boiling point at a givenT c. neither: the vapor will have the same composition as the liquid solution d. cannot be determined from the information given

Answer 1

Option - (a) The component with higher boiling point at a given T. If the boiling point is highness, then the component will start to evaporate late and the partial pressure generated by it will also partial generated by it will also be lower = , we can also, the higher boiling point component will form low partial pressure and hence lesser in amount option(b) correct option: - the component with lower boiling point at a given T will be richer in vapour if boiling point is low then that means more vapours are formed i.e more partial phase option - c: - Neigther, the vapour will have the same composition as the liquid solution As given in the question the solution does not form a azeotrope and hence the boiling point of the components will be different. Hence the components will ave dieffrent vapour pressure which leads to different composition