JEE Main Chemistry · Solutions
Mole Fraction Calculation
Mole Fraction Calculation (Solutions) was asked 3 times in 3 JEE Main shifts, 2024–2026, out of the 42 shifts Lumi analysed.
- Times asked
- 3
- in 3 shifts
- Years
- 2024–2026
- Usual format
- Single correct
- Calculation
- Pattern
- New since 2024
- repeats across shifts
How it is asked
- Mole fraction from mass percent
- Statement i/ii on mole fraction and raoult deviation
Difficulty
Easy 2Medium 1Hard 0
Where it sits
Chapter: Solutions. Topic: Mole Concept, 25 questions over 12 ideas.
Other repeat ideas in this topic
Every time it came
All 3 questions
Newest first, each with its options and official answer.
- 5 Apr 2026, Shift 1 · Q54What is the mole fraction of water in 10% by weight (w/w) of aqueous urea solution? [Given: Molar mass of H, O, C and N are 1, 16, 12 and…EasySingle correct
- 8 Apr 2026, Shift 2 · Q52Given below are two statements : Given : Molar mass of C, H, O, Cl are 12, 1, 16 and 35.5 g mol, respectively Statement I : In 30%…MediumTwo statements
- 30 Jan 2024, Shift 2 · Q61If a substance 'A' dissolves in solution of a mixture of 'B' and 'C' with their respective number of moles as ,…EasySingle correct