Colligative Properties: JEE Questions & Solutions

Elements P and Q form two types of non-volatile, non-ionizable compounds PQ and PQ₂. When 1 g of PQ is dissolved in 50 g of solvent 'A', Tb…

The osmotic pressure of a living cell is 12 atm at 300 K. The strength of sodium chloride solution that is isotonic with the living cell at…

A substance 'X' (1.5 g) dissolved in 150 g of a solvent 'Y' (molar mass = 300 g mol^-1) led to an elevation of the boiling point by 0.5 K.…

W g of a non-volatile electrolyte solid solute of molar mass M g mol^-1 when dissolved in 100 mL water decreases vapour pressure of water…

A solution is prepared by dissolving 0.3 g of a non-volatile non-electrolyte solute A of molar mass 60 g mol^-1 and 0.9 g of a non-volatile…

Consider the following aqueous solutions. I. 2.2 g Glucose in 125 mL of solution. II. 1.9 g Calcium chloride in 250 mL of solution. III.…

Arrange the following solutions in order of their increasing boiling points. (i) 10^-4 M NaCl (ii) 10^-4 M Urea (iii) 10^-3 M NaCl (iv)…

CrCl3.xNH3 can exist as a complex. 0.1 molal aqueous solution of this complex shows a depression in freezing point of 0.558^ C. Assuming…

What is the freezing point depression constant of a solvent, 50 g of which contain 1 g non-volatile solute (molar mass 256 g mol^-1) and…

1.24 g of AX2 (molar mass 124 g mol^-1) is dissolved in 1 kg of water to form a solution with boiling point of 100.105^ C, while 2.54 g of…

Given below are two statements: Statement (I): NaCl is added to the ice at 0^ C, present in the ice cream box to prevent the melting of ice…

2 moles each of ethylene glycol and glucose are dissolved in 500 g of water. The boiling point of the resulting solution is: (Given:…

XY is the membrane / partition between two chambers 1 and 2 containing sugar solutions of concentration c1 and c2 (c1c2) mol L^-1. For the…

Given below are two statements: Statement (I): Molal depression constant kf is given by M1 R Tf Sfus, where symbols have their usual…

HA (aq) H^+ (aq) + A^- (aq) The freezing point depression of a 0.1 m aqueous solution of a monobasic weak acid HA is 0.20 ^ C. The…

If the boiling point of a solution containing 1 mole of glucose in 1000 g of water is 100.52^ C, the ebullioscopic constant (Kb) of water…

What happens to the freezing point of benzene when a small quantity of naphthalene is added to benzene?

The solution from the following with the highest depression in freezing point/lowest freezing point is:

The osmotic pressure of solutions of PVC in cyclohexanone at 300 K are plotted on the graph. The molar mass of PVC is g mol^-1 (Nearest…

The number of pairs of the solution having the same value of osmotic pressure from the following is: A. 0.500 M C2H5OH (aq) and 0.25 M KBr…

Solid lead nitrate is dissolved in 1 litre of water. The solution was found to boil at 100.15^ C. When 0.2 mol of NaCl is added to the…

A solution containing 2 g of a non-volatile solute in 20 g of water boils at 373.52 K. The molecular mass of the solute is g mol^-1.…

Lead storage battery contains 38 by weight solution of H2SO4. The van’t Hoff factor is 2.67 at this concentration. The temperature in…

At 27^ C, a solution containing 2.5 g of solute in 250.0 mL of solution exerts an osmotic pressure of 400 Pa. The molar mass of the solute…

Evaluate the following statements for their correctness: (A) The elevation in boiling point temperature of water will be same for 0.1 M…

25 mL of an aqueous solution of KCl was found to require 20 mL of 1 M AgNO3 solution when titrated using K2CrO4 as an indicator. What is…

20% of acetic acid is dissociated when its 5 g is added to 500 mL of water. The depression in freezing point of such water is 10^-3 ^ C.…

If the degree of dissociation of an aqueous solution of weak monobasic acid is determined to be 0.3, then the observed freezing point will…

An aqueous solution of volume 300 cm^3 contains 0.63 g of protein. The osmotic pressure of the solution at 300 K is 1.29 mbar. The molar…

Sea water contains 29.29 NaCl and 19 MgCl2 by weight of solution. The normal boiling point of the sea water is: