Ideal and non-ideal solutions

The mole fraction of B in vapour phase which is in equilibrium with this solution is ____.

Given below are two statements :

Statement (I) : 1,2,3-Trihydroxypropane can be separated from water by simple distillation.

Statement (II) : An azeotropic mixture cannot be separated by fractional distillation.

In the light of the above statements, choose the correct answer from the options given below :

Given below are two statements :

Given : Molar mass of C, H, O, Cl are 12, 1, 16 and 35.5 g mol$^{-1}$, respectively

Statement I : In 30% (w/w) solution of methanol in $\ce{CCl4}$ (at T K), the mole fraction of $\ce{CCl4}$ is equal to 0.33.

Statement II : Mixture of methanol and $\ce{CCl4}$ shows positive deviation from Raoult's law.

In the light of the above statements, choose the correct answer from the options given below :

Liquids A and B form ideal solution for all compositions of A and B at 25 °C. Two such solutions with 0.25 and 0.50 mole fractions of A have the total vapor pressures of 0.3 and 0.4 bar, respectively. What is the vapor pressure of pure liquid B in bar?

Liquids A and B form ideal solution over the entire range of composition. At temperature T, equimolar binary solution of liquids A and B has vapour pressure 45 Torr. At the same temperature, a new solution of A and B having mole fractions $x_A$ and $x_B$, respectively, has vapour pressure of 22.5 Torr. The value of $x_A/x_B$ in the new solution is ______.

(given that the vapour pressure of pure liquid A is 20 Torr at temperature T)

For a solution formed by mixing liquids L and M, the vapour pressure of L plotted against the mole fraction of M in solution is shown in the following figure. Here $x_\mathrm{L}$ and $x_\mathrm{M}$ represent mole fractions of L and M, respectively, in the solution. The correct statement(s) applicable to this system is(are)

Mixture(s) showing positive deviation from Raoult's law at 35 °C is(are)

For an ideal solution of two components A and B, which of the following is true ?

Benzene and naphthalene form an ideal solution at room temperature. For this process, the true statement(s) is(are)