Halogen Derivatives: Haloalkanes & Haloarenes JEE Main PYQs, 2021 to 2025

Halogen Derivatives: Haloalkanes & Haloarenes has 13 questions in JEE Main papers from 2021 to 2025, about 2.6 per year across all shifts. The most asked topic is SN1 and SN2 Mechanisms (11 questions), followed by Polyhalogen Compounds (2).

Updated 26 Sep 2026

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13Total PYQs

5Years covered

2Topics

2025 Jan S1Latest paper

Halogen Derivatives: Haloalkanes & Haloarenes questions per year

Year	Questions
2025	1
2024	8
2023	2
2022	1
2021	1

Topic-wise weightage

Topic	Questions	Share of chapter	Last asked
SN1 and SN2 Mechanisms	11	85%	2025
Polyhalogen Compounds	2	15%	2024

Sample questions from recent papers

JEE Main 2025 · 28 Jan · Shift 1 · SN1 and SN2 Mechanisms

The products A and B in the following reactions, respectively are

$\mathrm{A} \stackrel{\mathrm{Ag}-\mathrm{NO}_2}{\longleftrightarrow} \mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{Br} \xrightarrow{\mathrm{AgCN}} \mathrm{B}$

(A) $\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{ONO}, \mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{CN}$
(B) $\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{NO}_2, \mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{CN}$
(C) $\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{ONO}, \mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{NC}$
(D) $\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{NO}_2, \mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{NC}$

Answer: (D)

Step-by-step solution

JEE Main 2024 · 1 Feb · Shift 2 · Polyhalogen Compounds

Match List - I with List - II.

List I (Compound)	List II (Use)
(A) Carbon tetrachloride	(I) Paint remover
(B) Methylene chloride	(II) Refrigerators and air conditioners
(C) DDT	(III) Fire extinguisher
(D) Freons	(IV) Non Biodegradable insecticide

Choose the correct answer from the options given below :

(A)(A)-(II), (B)-(III), (C)-(I), (D)-(IV)
(B)(A)-(III), (B)-(I), (C)-(IV), (D)-(II)
(C)(A)-(I), (B)-(II), (C)-(III), (D)-(IV)
(D)(A)-(IV), (B)-(III), (C)-(II), (D)-(I)

Answer: (B)

Step-by-step solution

All 13 questions are in the free PDF above, grouped by topic.

Frequently asked

How many questions come from Halogen Derivatives: Haloalkanes & Haloarenes in JEE Main?

13 questions from 2021 to 2025, about 2.6 per year. In 2025 it had 1.

Which Halogen Derivatives: Haloalkanes & Haloarenes topics are most important for JEE Main?

By past papers: SN1 and SN2 Mechanisms (85%) and Polyhalogen Compounds (15%) of all Halogen Derivatives: Haloalkanes & Haloarenes questions.

Is the Halogen Derivatives: Haloalkanes & Haloarenes 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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JEE Main PYQs by year: 2025 · 2024 · 2023 · 2022 · 2021 · 2020

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