23 JEE Main 2025 Solutions previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2025 previous-year questions from the Solutions chapter of Chemistry. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Solutions chapter hub.
Question
X Y is the membrane / partition between two chambers 1 and 2 containing sugar solutions of concentration c₁ and c₂ (c₁…
Consider a binary solution of two volatile liquid components 1 and 2 . x₁ and y₁ are the mole fractions of component 1…
Given below are two statements : Statement (I) : Molal depression constant Kf is given by M₁ R TfΔ Sf u s, where symbol…
When a non-volatile solute is added to the solvent, the vapour pressure of the solvent decreases by 10 mm of Hg . The m…
What is the freezing point depression constant of a solvent, 50 g of which contain 1 g non volatile solute (molar mass…
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 100.01…
Assume a living cell with 0.9 \%(ω / ω) of glucose solution (aqueous). This cell is immersed in another solution having…
When 1 g each of compounds AB and AB₂ are dissolved in 15 g of water separately, they increased the boiling point of wa…
Which of the following graph correctly represents the plots of KH at 1 bar gases in water versus temperature?
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