Purification & Characterisation of Organic Compounds JEE Main PYQs, 2021 to 2025

Purification & Characterisation of Organic Compounds has 16 questions in JEE Main papers from 2021 to 2025, about 3.2 per year across all shifts. The most asked topic is Quantitative Elemental Analysis (14 questions), followed by Purification Methods (2).

Updated 26 Sep 2026

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16Total PYQs

4Years covered

2Topics

2025 Apr S1Latest paper

Purification & Characterisation of Organic Compounds questions per year

Year	Questions
2025	5
2024	0
2023	3
2022	5
2021	3

Topic-wise weightage

Topic	Questions	Share of chapter	Last asked
Quantitative Elemental Analysis	14	88%	2025
Purification Methods	2	12%	2025

Sample questions from recent papers

JEE Main 2025 · 7 Apr · Shift 1 · Quantitative Elemental Analysis

An organic compound weighing 500 mg , produced 220 mg of $\mathrm{CO}_2$ , on complete combustion. The percentage composition of carbon in the compound is _________ $\%$ . (nearest integer)

(Given molar mass in $\mathrm{g} \mathrm{mol}^{-1}$ of $\mathrm{C}: 12, \mathrm{O}: 16$ )

Answer: 12

Step-by-step solution

JEE Main 2025 · 28 Jan · Shift 2 · Purification Methods

The purification method based on the following physical transformation is :

\underset{(X)}{\text { Solid }} \xrightarrow[]{\text { Heat }} \underset{(X)}{\text { Vapour }} \xrightarrow{\text { Cool }} \underset{(X)}{\text { Solid }}

(A)
Extraction
(B)
Crystallization
(C)
Distillation
(D)
Sublimation

Answer: (D)

Step-by-step solution

All 16 questions are in the free PDF above, grouped by topic.

Frequently asked

How many questions come from Purification & Characterisation of Organic Compounds in JEE Main?

16 questions from 2021 to 2025, about 3.2 per year. In 2025 it had 5.

Which Purification & Characterisation of Organic Compounds topics are most important for JEE Main?

By past papers: Quantitative Elemental Analysis (88%) and Purification Methods (12%) of all Purification & Characterisation of Organic Compounds questions.

Is the Purification & Characterisation of Organic Compounds PYQ PDF free?

Yes. The PDF, the answer key and every step-by-step solution on PrepWiser are free, with no login needed to practise.

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Coordination Compounds (120)
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Electrochemistry (128)
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JEE Main PYQs by year: 2025 · 2024 · 2023 · 2022 · 2021 · 2020

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