31 JEE Main 2023 Solutions previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2023 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.
What is the mass ratio of ethylene glycol ( C 2 H 6 O 2 , molar mass = 62   g / mol ) required for making 500 …
An aqueous solution of volume 300   cm 3 contains 0 . 63   g of protein. The osmotic pressure of the solution…
A solution containing 2   g of a non-volatile solute in 20   g of water boils at 373 . 52   K . The mole…
The vapour pressure vs. temperature curve for a solution solvent system is shown below. The boiling point of the solven…
The number of units, which are used to express concentration of solutions from the following is _________. (Mass percen…
Match List I with List II. List I List II A. van't Hoff factor, i I. Cryoscopic constant B. k f II. Isotonic solutions…
20 % of acetic acid is dissociated when its 5   g is added to 500   mL of water. The depression in freezing p…
Evaluate the following statements for their correctness. A. The elevation in boiling point temperature of water will be…
Solid Lead nitrate is dissolved in 1 litre of water. The solution was found to boil at 100 . 15 ° C . When 0 . 2 m…
The total pressure of a mixture of non-reacting gases X ( 0 . 6   g ) and Y ( 0 . 45   g ) in a vessel is 740…
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