Raoult's Law & Vapour Pressure: JEE Questions & Solutions

Consider a solution of CO2 (g) dissolved in water in a closed container. Which one of the following plots correctly represents variation of…

Which one of the following graphs accurately represents the plot of partial pressure of CS2 vs its mole fraction in a mixture of acetone…

Two liquids A and B form an ideal solution. At 320 K, the vapour pressure of the solution, containing 3 mol of A and 1 mol of B is 500 mm…

Two liquids A and B form an ideal solution at temperature T K. At T K, the vapour pressures of pure A and pure B are 55 kPa and 15 kPa…

At 298 K, the mole percentage of N2 (g) in air is 80. Water is in equilibrium with air at a pressure of 10 atm. What is the mole fraction…

At temperature T K, 2 moles of liquid A and 3 moles of liquid B are mixed. The vapour pressure of the ideal solution formed is 320 mm Hg.…

When a non-volatile solute is added to the solvent, the vapour pressure of the solvent decreases by 10 mm Hg. The mole fraction of the…

Consider a binary solution of two volatile liquid components 1 and 2. x1 and y1 are the mole fractions of component 1 in the liquid and…

A solution is made by mixing one mole of volatile liquid A with 3 moles of volatile liquid B. The vapor pressure of pure A is 200 mm Hg and…

Liquid A and B form an ideal solution. The vapour pressure of pure liquids A and B are 350 mm Hg and 750 mm Hg respectively at the same…

Match List-I with List-II Choose the correct answer from the options given below:

Which of the following binary mixture does not show the behavior of minimum boiling azeotropes?

A solution of two miscible liquids showing negative deviation from Raoult’s law will have:

The vapor pressure of pure benzene and methyl benzene at 27 °C is given as 80 Torr and 24 Torr, respectively. The mole fraction of methyl…

The vapor pressure of pure benzene and methyl benzene at 27 C is given as 80 Torr and 24 Torr, respectively. The mole fraction of methyl…

The vapor pressure of pure benzene and methyl benzene at 27^ C is given as 80 Torr and 24 Torr, respectively. The mole fraction of methyl…

Let V.P. of pure B be P0. When XA = 0.7 and XB = 0.3, the Total pressure is 350 mm Hg. If XA = 0.2 and XB = 0.8, the total pressure becomes…

The vapor pressure vs. temperature curve for a solution-solvent system is shown below. The boiling point of the solvent is:

What weight of glucose must be dissolved in 100 g of water to lower the vapour pressure by 0.20 mmHg? (Assume dilute solution is being…

The vapour pressure of 30 (w/v) aqueous solution of glucose is 2cm mm Hg at 25^ C. [Given: The density of 30 (w/v) aqueous solution of…