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Purification and Characterisation of Organic Compounds PYQs (previous year questions) for JEE Main: Purification and Characterisation of Organic Compounds (Chemistry) had 10 questions across the 11 official JEE Main papers we tagged (2016–2026), and appeared in 10 of them. Asked in 2 of 3 years. The concepts asked in the most papers: Distillation, Estimation of Sulphur, Quantitative Analysis.
Year-wise question count
Asked in 2 of 3 years.
| Year | Papers | Questions | Per paper |
|---|---|---|---|
| JEE Main 2026 | 9 | 9 | 1 |
| JEE Main 2017 | 1 | Not asked | – |
| JEE Main 2016 | 1 | 1 | 1 |
Most-asked concepts
Sorted by the number of papers a concept appeared in.
| Concept | Questions | Papers | Years |
|---|---|---|---|
| Distillation | 2 | 2 | 2026, 2016 |
| Estimation of Sulphur | 2 | 2 | 2026 |
| Carius Method | 1 | 1 | 2026 |
| Chromatography | 1 | 1 | 2026 |
| Distillation Methods | 1 | 1 | 2026 |
| Fractional Distillation | 1 | 1 | 2026 |
| Quantitative Analysis | 1 | 1 | 2026 |
| Separation Methods | 1 | 1 | 2026 |
How to practise Purification and Characterisation of Organic Compounds PYQs
- Start with the concepts at the top of the table. They have come back the most.
- Solve one year’s Purification and Characterisation of Organic Compounds questions from the official PDF against the clock, then check the answer listed below.
- Log every miss as a concept gap, a calculation slip or a misread. Each needs a different fix.
- Once a concept is clean in two papers, move to the next. Then sit a full paper from the year pages.
Questions by year
Each line gives the question number and paper, type, concept, our one-line summary and the official answer, with a link to the official PDF.
JEE Main2026
- Q.63 (2 April, shift 1) · MCQ · Distillation: Statements on separating glycerol from water and azeotropes (official answer: option 4) PDF
- Q.62 (2 April, shift 2) · MCQ · Quantitative Analysis: Sample mass from CO2 and H2O masses and percent C and H (official answer: option 1) PDF
- Q.73 (4 April, shift 1) · Numerical · Carius Method: Carbon atoms in empirical formula of a bromo compound from Carius data (official answer: 5) PDF
- Q.75 (4 April, shift 2) · Numerical · Estimation of Sulphur: Percentage of sulphur from BaSO₄ obtained in Carius estimation (official answer: 435) PDF
- Q.72 (5 April, shift 1) · Numerical · Estimation of Sulphur: Percentage of sulphur by Carius method from BaSO₄ mass (official answer: 41) PDF
- Q.62 (5 April, shift 2) · MCQ · Distillation Methods: Match distillation techniques with mixtures they separate (official answer: option 2) PDF
- Q.63 (6 April, shift 1) · MCQ · Chromatography: Rf value of hydration product of 2-methylpropene (official answer: option 4) PDF
- Q.62 (6 April, shift 2) · MCQ · Separation Methods: Statements on differential solubility and steam distillation (official answer: option 1) PDF
- Q.62 (8 April, shift 2) · MCQ · Fractional Distillation: Statements on behaviour of vapours in fractional distillation (official answer: option 3) PDF
JEE Main2016
- Q.51 · MCQ · Distillation: Distillation method to separate glycerol from spent lye PDF
Purification and Characterisation of Organic Compounds in other exams
The same chapter in other official papers we tagged: NEET (1 question).
Other Chemistry chapters
- Some Basic Concepts in Chemistry PYQs
- Atomic Structure PYQs
- Chemical Bonding and Molecular Structure PYQs
- Chemical Thermodynamics PYQs
- Solutions PYQs
- Equilibrium PYQs
- Redox Reactions and Electrochemistry PYQs
- Chemical Kinetics PYQs
- Classification of Elements and Periodicity PYQs
- p-Block Elements PYQs
- d- and f-Block Elements PYQs
- Coordination Compounds PYQs
- Some Basic Principles of Organic Chemistry PYQs
- Hydrocarbons PYQs
- Organic Compounds Containing Halogens PYQs
- Organic Compounds Containing Oxygen PYQs
- Organic Compounds Containing Nitrogen PYQs
- Biomolecules PYQs
- Principles Related to Practical Chemistry PYQs
FAQ
How many Purification and Characterisation of Organic Compounds questions come in JEE Main?
In the official papers we tagged: 9 in 2026 (9 papers) and 1 in 2016 (1 paper). Not asked in the other year. That is 10 questions in all, about 4% of Chemistry.
Which Purification and Characterisation of Organic Compounds topics repeat in JEE Main?
Asked in the most papers: Distillation, Estimation of Sulphur, Quantitative Analysis. The concept table lists every one with its count.
Are these official JEE Main questions?
Yes. Every question is from an official JEE Main paper hosted on our year pages. The one-line summaries are ours; open the PDF linked beside each question for the full text.