Question

A solution of two volatile components showing negative deviation from Raoult’s law shows:-

Options :

  1. Decrease in vapour pressure, boiling point increases

  2. Increase in vapour pressure boiling point decreases

  3. Decrease in vapour pressure, boiling point decreases

  4. Increase in vapour pressure boiling point increases

Show Answer

Answer :

Decrease in vapour pressure, boiling point increases

Solution :

In case of negative deviation from Raoult’s law the vapour pressure is less than expected from Raoult’s law and B.P. is more.

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