Which of the following is correct for a solution showing positive deviations from Raoult's law?

H₂O and perchloric acid (b.p. 383 K) form constant boiling mixture at 71.6% of perchloric acid. The

A binary solution of ethanol and n-heptane is an example of-

100 mL of liquid A and 25 mL of liquid B is mixed to give a solution which does not obey Raoult's la

If the vapour pressure of solutions of two liquids are less than those expected from ideal solution

An azeotropic solution of two liquids has boiling point lower than either when it -