The density (in g mL^–1) of a 3.60 M sulphuric acid solution that is 29% H₂SO₄ (Molar mass = 98 g mol^-) by mass will be 

• 1.64

• 1.88

• 1.22

• 1.22

A mixture of ethyl alcohol and propyl alcohol has a vapour pressure of 290 mm at 300 K. The vapour pressure of propyl alcohol is 200 mm. If the mole fraction of ethyl alcohol is 0.6, its vapour pressure (in mm) at the same temperature will be

• 350

• 300

• 360

• 360

Density of a 2.05 M solution of acetic acid in water is 1.02 g/mL. The molality of the solution is

• 1.14 mol kg^–1

• 3.28 mol kg^–1

• 2.28 mol kg^–1

• 2.28 mol kg^–1

18 g of glucose (C₆H₁₂O₆) is added to 178.2 g of water. The vapour pressure of water for this aqueous solution at 100^o C is

• 759.00 Torr

• 7.60 Torr

• 76.00 Torr

• 76.00 Torr

The volume of a colloidal particle, V_C as compared to the volume of a solute particle in a true solution V_S, could be

306.

The solubility product of a salt having general formula MX₂, in water is 4 x 10^-12. The concentration of M²⁺ ions in the aqueous solution of the salt is

• 2.0 x 10^-6 M

• 1.0 x 10^-4 M

• 1.6 x 10^-4 M

• 1.6 x 10^-4 M

Benzene and toluene form nearly ideal solutions. At 20^o C, the vapour pressure of benzene is 75 torr and that of toluene is 22 torr. The partial vapour pressure of benzene at 20^o  C for a solution containing 78 g of benzene and 46 g of toluene in torr is

• 50

• 25

• 37.5

• 37.5

Two solutions of a substance (non-electrolyte) are mixed in the following manner. 480 ml of 1.5 M first solution + 520 mL of 1.2 M second solution. What is the molarity of the final mixture?

• 1.20 M

• 1.50 M

• 1.344 M

• 1.344 M

Equimolar solutions in the same solvent have

• Same boiling point but different freezing point

• Same freezing point but different boiling point

• Same boiling and same freezing points

• Same boiling and same freezing points

Which one of the following aqueous solutions will exhibit highest boiling point?

• 0.01 M Na₂SO₄

• 0.015 M glucose

• 0.015 M urea

• 0.015 M urea