JEE Chemistry

Colligative Properties: JEE Questions & Solutions

30 previous-year JEE Chemistry questions on Colligative Properties, each with a worked step-by-step solution.

Advanced

Previous-year questions

  1. 01Elements 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', Δ…MCQMediumJEE 2026
  2. 02The 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…NVAEasyJEE 2026
  3. 03A 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.…NVAMediumJEE 2026
  4. 04W 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…MCQMediumJEE 2026
  5. 05A 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…MCQEasyJEE 2026
  6. 06Consider 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.…MCQMediumJEE 2026
  7. 07Arrange 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) 10⁻² M…MCQEasyJEE 2025
  8. 08CrCl₃.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…MCQEasyJEE 2025
  9. 09What 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 the…MCQEasyJEE 2025
  10. 101.24 g of AX₂ (molar mass 124 g mol⁻¹) is dissolved in 1 kg of water to form a solution with boiling point of 100.0156^°C, while 25.4 g of…MCQMediumJEE 2025
  11. 11Given 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…MCQEasyJEE 2025
  12. 122 moles each of ethylene glycol and glucose are dissolved in 500 g of water. The boiling point of the resulting solution is: (Given:…MCQEasyJEE 2025
  13. 13XY is the membrane / partition between two chambers 1 and 2 containing sugar solutions of concentration c₁ and c₂ (c₁>c₂) mol L⁻¹. For the…MCQEasyJEE 2025
  14. 14Given below are two statements: Statement (I): Molal depression constant k_f is given by (M₁ R T_f)/(Δ S_fus), where symbols have their…MCQEasyJEE 2025
  15. 15HA (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…MCQMediumJEE 2025
  16. 16If the boiling point of a solution containing 1 mole of glucose in 1000 g of water is 100.52^° C, the ebullioscopic constant (K_b) of water…MCQEasyJEE 2024
  17. 17What happens to the freezing point of benzene when a small quantity of naphthalene is added to benzene?MCQEasyJEE 2024
  18. 18The solution from the following with the highest depression in freezing point/lowest freezing point is:MCQEasyJEE 2024
  19. 19The 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…NVAMediumJEE 2023
  20. 20The number of pairs of the solution having the same value of osmotic pressure from the following is: (Assume 100% ionization) A. 0.500 M…NVAEasyJEE 2023
  21. 21Solid 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…NVAMediumJEE 2023
  22. 22A 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.…NVAEasyJEE 2023
  23. 23Lead storage battery contains 38% by weight solution of H₂SO₄. The van’t Hoff factor is 2.67 at this concentration. The temperature in…NVAMediumJEE 2023
  24. 24At 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…NVAMediumJEE 2023
  25. 25Evaluate the following statements for their correctness: (A) The elevation in boiling point temperature of water will be same for 0.1 M…MCQMediumJEE 2023
  26. 2625 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…NVAMediumJEE 2023
  27. 2720% 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.…NVAMediumJEE 2023
  28. 28If the degree of dissociation of an aqueous solution of weak monobasic acid is determined to be 0.3, then the observed freezing point will…NVAEasyJEE 2023
  29. 29An aqueous solution of volume 300 cm³ contains 0.63 g of protein. The osmotic pressure of the solution at 300 K is 1.29 mbar. The molar…NVAEasyJEE 2023
  30. 30Sea water contains 29.25% NaCl and 19% MgCl₂ by weight of solution. The normal boiling point of the sea water is ^°C (Nearest integer).…NVAMediumJEE 2023

Frequently asked questions

Our bank has 30 previous-year JEE Chemistry questions tagged to Colligative Properties, drawn from JEE papers between 2023 and 2026, including 6 from 2026 alone. Each comes with a full step-by-step solution.

Colligative Properties is rated Advanced overall for JEE Chemistry. The PYQs on this page break down as 16 easy, 14 medium.

Of the 30 previous-year questions on Colligative Properties, 17 are multiple-choice (MCQ) and 13 are numerical-value (NVA) questions.

Based on recent paper analysis, Colligative Properties is worth about 2 marks in JEE Main. It sits in Solutions, a Class 12 Chemistry chapter.

More Solutions topics

Concentration Terms (Molarity, Molality, etc.)21Raoult's Law & Vapour Pressure19Abnormal Molar Mass & van't Hoff Factor8

Master Colligative Properties with AI-adaptive practice.

Practice unlimited Colligative Properties questions, track your mastery, and get every step explained by an AI tutor.

Start free trial