19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
The system that forms maximum boiling azeotrope is
20g of non-volatile solute is added to 500g of solvent. Freezing point of solvent = 5.48ºC and solution = 4.47ºC, Kf = 1.93ºC/m. Molecular mass of the solute is
The order of boiling points of four equimolar aqueous solutions is C < B < A < D. The correct order of their freezing points is
Dissolution of 1.5g of a non-volatile solute (mol. wt. = 60) in 250g of a solvent reduces its freezing point by 0.01ºC. Find the molal depression constant of the solvent.
During freezing of a solution the following are in equilibrium
What happens to freezing point of benzene when naphthalene is added?
Camphor is often used in molecular mass determination because
“Relative lowering in vapour pressure of solution containing non-volatile solute is directly proportional to mole fraction of solute.” This statement is
Raoult's law states that for a dilute solution,
2g of sugar is added to one litre of water to give sugar solution. What is the effect of addition of sugar on the boiling point and freezing point of water?
The relative lowering of the vapour pressure is equal to the ratio between the numbers of
Osmotic pressure is proportional to
An aqueous solution of methanol in water has vapour pressure (MP PMT 2007)
Which one of the following pairs will not form an ideal solution?
Which one of the following is not a colligative property?
A solution with negative deviation among the following is
A non-ideal solution was prepared by mixing 30 mL chloroform and 50 mL acetone. The volume of mixture will be
Colligative properties of the solution depend on
A solution of acetone in ethanol
A semipermeable membrane
If liquid A and B from ideal solutions
A solution containing components A and B follows Raoult’s law
A mixture of benzene and toluene forms
Which of the following liquid pairs shows a positive deviation from Raoult's law?
Which of the following pairs shows a negative deviation from Raoult's law?