The boiling point of an azeotropic mixture of water and ethyl alcohol is less than that of the theoretical value of water and alcohol mixture. Hence the mixture shows

Options

A. That solution is highly saturated
B. Positive deviation from Raoult's law.
C. Negative deviation from Raoult's law
D. Nothing can be said

Answer

B

Explanation

`(B.P.)_("mix")` is less than pure component, so intermolecular force is less so vapour pressure `uparrow` and solution have postive deviation from Raoult's law.