JEE Main Chemistry · Solutions

Boiling Point Elevation

Boiling Point Elevation (Solutions) was asked 5 times in 5 JEE Main shifts, 2023–2026, out of the 42 shifts Lumi analysed. 3 of the 5 had a numerical answer.

Times asked: 5; in 5 shifts
Years: 2023–2026
Usual format: Numerical value; Multi-step
Pattern: Frequent; repeats across shifts

How it is asked

Moles of solvent from colligative data
Count correct statements on colligative properties

Difficulty

Easy 1Medium 4Hard 0

Where it sits

Chapter: Solutions. Topic: Colligative Properties, 36 questions over 16 ideas.

All 5 questions

Newest first, each with its options and official answer.

4 Apr 2026, Shift 1 · Q75A non-volatile, non-electrolyte solid solute when dissolved in $40$ g of a solvent, the vapour pressure of the solvent decreased from…MediumNumerical value
8 Apr 2026, Shift 2 · Q54Which of the following statements are not correct ? A. For water, magnitude of $\mathrm{K_b}$ is more than the magnitude of…MediumOtherHas a figure
2 Apr 2025, Shift 2 · Q73When 1 g each of compounds AB and $\mathrm{AB_2}$ are dissolved in 15 g of water separately, they increased the boiling point of water by…MediumNumerical value
3 Apr 2025, Shift 1 · Q542 moles each of ethylene glycol and glucose are dissolved in 500 g of water. The boiling point of the resulting solution is: (Given :…EasySingle correct
13 Apr 2023, Shift 2 · Q84Sea water contains 29.25% NaCl and 19% $\mathrm{MgCl_2}$ by weight of solution. The normal boiling point of the sea water is ______…MediumNumerical value