Vapour pressure of a solution containing 18 g of glucose and 178.2 g of water at $100^{\circ} \mathrm{C}$ is (Vapour pressure of pure water at $100^{\circ} \mathrm{C}=760$ torr)

A mixture of phenol and aniline shows negative deviation from Raoult's law. This is due to the formation of

Which one of the following pairs will show positive deviation from Raoult's law?

For which one of the following mixtures is composition uniform throughout?