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Chemistry - Solutions

Practise 58 KCET previous year questions on Solutions, compiled from papers spanning 2007 to 2026. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty KCET tests.

Solutions has been asked in 20 of the 20 years of KCET papers analysed (2007–2026), with 58 questions in all. 50% of them were easy, 41% moderate and 9% tough. Most of its questions came from 2025, with 5 questions that year. In the last three years (2024–2026) it had 13 questions across 3 papers, about 4.3 per paper.

The chapter's 4 topics are not weighted equally: Colligative Properties and Abnormal Molecular Masses (30 questions, 52%), Vapour pressure and raoult's law (12 questions, 21%), and Solubility and Concentration of Solutions (11 questions, 19%) have been asked the most. Colligative Properties and Abnormal Molecular Masses has also led over the last five years, with 10 questions. Colligative Properties and Abnormal Molecular Masses has produced the most tough questions (4).

  1. 1Which of the following is CORRECT with respect to the property mentioned against it?2026Colligative Properties and Abnormal Molecular Masses
  2. 2Match List-I (Laws) with the List-II (Mathematical expressions): List-I List-II (a) Henry's law (i) (b) Raoult's law (ii) (c) First law of t2026Vapour pressure and raoult's law
  3. 3When mole of acetic acid was dissolved in kg of water, the freezing point depression for this strength of acid was K. If the calculated free2026Colligative Properties and Abnormal Molecular Masses
  4. 4The relative lowering of vapour pressure produced by dissolving g of urea (Molar mass ) in g of water is2026Colligative Properties and Abnormal Molecular Masses
  5. 5Among the following 0.1 m aqueous solutions, which one will exhibit the lowest boiling point elevation, assuming complete ionization of the 2025Colligative Properties and Abnormal Molecular Masses
  6. 6Variation of solubility with temperature for a gas in liquid is shown by the following graphs. The correct representation is2025Solubility and Concentration of Solutions
  7. 7180 g of glucose, , is dissolved in 1 kg of water in a vessel. The temperature at which water boils at 1.013 bar is ______ (given, for water2025Colligative Properties and Abnormal Molecular Masses
  8. 8If gas is bubbled through water at 293 K , how many moles of gas would dissolve in 1 litre of water? Assume that exerts a partial pressure o2025Henry's law
  9. 9Which of the following methods of expressing concentration are unitless?2025Solubility and Concentration of Solutions
  10. 10Vapour pressure of a solution containing 18 g of glucose and 178.2 g of water at is (Vapour pressure of pure water at torr)2024Vapour pressure and raoult's law
  11. 11A mixture of phenol and aniline shows negative deviation from Raoult's law. This is due to the formation of2024Vapour pressure and raoult's law
  12. 12Which one of the following pairs will show positive deviation from Raoult's law?2024Vapour pressure and raoult's law
  13. 13For which one of the following mixtures is composition uniform throughout?2024Solubility and Concentration of Solutions
  14. 14The swelling in feet and ankles of an aged person due to sitting continuously for long hours during travel, is reduced by soaking the feet i2023Colligative Properties and Abnormal Molecular Masses
  15. 15A sample of water is found to contain of (molecular mass 58.5 ) and (molecular mass 95). Assuming ionisation of and ionisation of , the free2023Colligative Properties and Abnormal Molecular Masses
  16. 16Solubility of a gas in a liquid increases with2022Henry's law
  17. 17The rise in boiling point of a solution containing of glucose in of solvent is . The molal elevation constant of the liquid is2022Colligative Properties and Abnormal Molecular Masses
  18. 18If of glucose (molar mass is dissolved in of water at , the osmotic pressure of the solution will be2022Colligative Properties and Abnormal Molecular Masses
  19. 19Which of the following colligative properties can provide molar mass of proteins, polymers and colloids with greater precision?2022Colligative Properties and Abnormal Molecular Masses
  20. 20Which is most VISCOUS?2022Solubility and Concentration of Solutions
  21. 21Henry's law constant for the solubility of gas in water at is . The mole fraction of in air is . The number of moles of from air dissolved i2021Henry's law
  22. 22Choose the correct statement.2021Henry's law
  23. 23The value ( bar) of argon (I), carbondioxide (II), formaldehyde (III) and methane (IV) are respectively 40.3, 167, and at . The increasing o2021Henry's law
  24. 24The vapour pressure of pure liquids and are 450 and of at respectively. If the total vapour pressure of the mixture is of , the composition 2021Vapour pressure and raoult's law
  25. 25Which of the following pair of solutions is isotonic?2020Solubility and Concentration of Solutions
  26. 26Solute ' dimerises in water to the extent of of ' in of water increases the boiling point by . The molar mass of is2020Colligative Properties and Abnormal Molecular Masses
  27. 27Relative lowering of vapour pressure of a dilute solution of glucose dissolved in \( 1 {~kg} \) of water is \( 0.002 \). The molality of the2019Colligative Properties and Abnormal Molecular Masses
  28. 28Solubility of \( {AgCl} \) is least in2019Solubility and Concentration of Solutions
  29. 29A non-volatile solute, 'A' tetramerises in water to the extent of 80\%. \( 2.5 {~g} \) of 'A' in \( 100 {~g} \) of water, lowers the freezin2019Colligative Properties and Abnormal Molecular Masses
  30. 30Solution 'A contains acetone dissolved in chloroform and solution 'B' contains acetone dissolved in carbon disulphide. The type of deviation2019Vapour pressure and raoult's law
  31. 31Which of the following aqueous solutions should have the highest boiling point?2018Solubility and Concentration of Solutions
  32. 32Isotonic solutions are solutions having the same2018Solubility and Concentration of Solutions
  33. 33Which one of the following noble gas has an unusual property of diffusing through the materials such as rubber, glass or plastic ?2017Colligative Properties and Abnormal Molecular Masses
  34. 34The co-ordination number and the oxidation state of the element ' \( M \) ' in the complex \( [ {M}( {en})_{2} ( {C}_{2} {O}_{4} ) ] {NO}_{22017Colligative Properties and Abnormal Molecular Masses
  35. 35Which of the following is not a biodegradablepolymer?2017Colligative Properties and Abnormal Molecular Masses
  36. 36Which of the following is not a colligative property?2016Colligative Properties and Abnormal Molecular Masses
  37. 37When an electrolyte is dissociated in solution, the van't Hoff's factor (i) is,2016Colligative Properties and Abnormal Molecular Masses
  38. 38Osmotic pressure of the solution can be increased by,2016Colligative Properties and Abnormal Molecular Masses
  39. 39\( 0.06 \%( {w} / {v}) \) aqueous solution of urea is isotonic with2015Colligative Properties and Abnormal Molecular Masses
  40. 40Which of the following aqueous solution has the highest freezing point?2015Colligative Properties and Abnormal Molecular Masses
  41. 41After adding non-volatile solute freezing point of water decreases to \( -0.186^{ } {C} . \) Calculate \( T_{b} \) if \( K_{ {f}}=1.86 K {~k2015Colligative Properties and Abnormal Molecular Masses
  42. 42A metallic oxide reacts with water to form its hydroxide, hydrogen peroxide and also liberates oxygen. The metallic oxide could be2014Colligative Properties and Abnormal Molecular Masses
  43. 43The species that is not hydrolysed in water is2014Solubility and Concentration of Solutions
  44. 44Which of the following is not a colligative property?2013Colligative Properties and Abnormal Molecular Masses
  45. 45of urea is dissolved in of . The relative lowering in vapour pressure is2013Colligative Properties and Abnormal Molecular Masses
  46. 46Which of the following aqueous solutions will exhibit highest boiling point?2013Colligative Properties and Abnormal Molecular Masses
  47. 47All colloidal dispersions have2012Colligative Properties and Abnormal Molecular Masses
  48. 48The vapour pressures of two liquids and in their pure states are in the ratio of . A binary solution of and contains and in the mole proport2012Vapour pressure and raoult's law
  49. 49The mass of a non-volatile solute of molar mass that should be dissolved in octane to lower its vapour pressure by is2012Vapour pressure and raoult's law
  50. 50Out of the given two compounds, the vapour pressure of at a particular temperature is2011Vapour pressure and raoult's law

Frequently Asked Questions

1.How many questions are available for Solutions?

This chapter includes 58 questions compiled from KCET papers spanning 2007 to 2026.

2.Are these questions only from KCET, or from other exams too?

These are KCET questions specifically for the Solutions chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is Solutions an important chapter for KCET Chemistry?

Solutions has appeared in 20 of the 20 years of KCET papers covered here, with 58 questions across 20 papers - about 3 per paper it appears in.

4.What is the difficulty level of Solutions questions in KCET?

Of the 58 questions analysed for this chapter, 50% are easy, 41% moderate and 9% tough. 2025 had the most, with 5 questions.

5.Which topics in Solutions should I focus on?

These topics have carried the most weightage in Solutions:

  • Colligative Properties and Abnormal Molecular Masses - 30 questions (52%)
  • Vapour pressure and raoult's law - 12 questions (21%)
  • Solubility and Concentration of Solutions - 11 questions (19%)
  • Colligative Properties and Abnormal Molecular Masses has produced the most tough questions (4).
6.Is Solutions's weightage in KCET going up or down?

Across all 20 papers analysed, Solutions has averaged about 2.9 questions per paper. In the last three years (2024–2026), that average has risen, at about 4.3 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.