An azeotropic mixture of two liquids has a boiling point higher than either of them when it:
Correct answer: B. Shows negative deviation from Raoult's law
- A. Shows positive deviation from Raoult's law
- B. Shows negative deviation from Raoult's law
- C. Shows ideal behaviour
- D. Is saturated
Explanation
An azeotropic solution is a solution that contains two liquids and has a constant vapour and liquid composition. The azeotropic solutions cannot be separated with the help of the distillation process. They are divided into two parts i.e. positive and negative deviation. Roult's law states that the vapour pressure of a solution that contains a non-volatile solute is directly proportional to the mole fraction of the solvent.
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