231 JEE Main Solutions PYQs (2002–2026) with verified answers and step-by-step solutions.
This page collects every JEE Main Solutions previous-year question from Chemistry, 2002–2026. Each links to a full solution with a verified answer key. Click any year above to narrow the list, or open a question to study its step-by-step working and then practice it on PrepSharp's CBT player.
Given below are two statements: Given: Molar mass of C, H, O, Cl are 12, 1, 16 and 35.5 g mol⁻¹, respectively. Statemen…
Given below are two statements : Statement I : H₂O molecules move from the chamber 1 to chamber 2. Statement II : The o…
Consider the following aqueous solutions. I. 2.2 g Glucose in 125 mL of solution. II. 1.9 g Calcium chloride in 250 mL…
Two liquids A and B form an ideal solution at temperature T K. At T K, the vapour pressures of pure A and B are 55 and…
Given below are two statements: Statement I : The Henry's law constant KH is constant with respect to variations in sol…
20 g hemoglobin in a 1 L aqueous solution (A) at 300 K is separated from pure water by semi permeable membrane. At equi…
A non-volatile, non-electrolyte solid solute when dissolved in 40 g of a solvent, the vapour pressure of the solvent de…
The osmotic pressure of a living cell is 12 atm at 300 K. The strength of sodium chloride solution that is isotonic wit…
Given below are two statements : Statement (I) : 1,2,3-Trihydroxypropane can be separated from water by simple distilla…
Which of the following statements are not correct? A. For water, magnitude of Kb is more than the magnitude of Kf. B. T…
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