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Saturday, 31 October

JEE Main · Chemistry · Haloalkanes and Haloarenes

SNAr and Meisenheimer Complex

JEE Main asked SNAr and Meisenheimer Complex 5 times in 5 of the 108 shifts Lumi analysed, in 2021, 2023 and 2024. It belongs to Aromatic Hydrocarbons, in Haloalkanes and Haloarenes (Chemistry). The longest wait between two years asking it was 2 years. In 2021 it came in more than one shift of the same year.

Updated 2026-10-24

Times asked
5
in 5 shifts
Years
3 of 8
First asked
2021
last in 2024
Pattern
Comes in cycles
across the analysed shifts

Questions on this idea a shift, by year

2017–2026. Asked in 2021, 2023 and 2024. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Chemistry questions.

00.050.10’170’200.10’210’220.07’230.05’240’250’26

Raw count: 2017: 0 in 1 shift · 2020: 0 in 12 shifts · 2021: 3 in 24 shifts · 2022: 0 in 24 shifts · 2023: 1 in 12 shifts · 2024: 1 in 18 shifts · 2025: 0 in 8 shifts · 2026: 0 in 9 shifts.

Shift by shift

Each square is one analysed shift, in date order. Open a filled one for that paper.

  • 20260 of 9
  • 20250 of 8
  • 20241 of 18
  • 20231 of 12
  • 20220 of 24
  • 20213 of 24
  • 20200 of 12
  • 20170 of 1

Asked in that shift More than once Not asked

How JEE Main framed it

Diagram based is the usual form. Skill tested: application.

  • Order/ranking of reactivity toward nucleophile
  • Identify compounds in reaction sequence

Difficulty

Easy 0Medium 4Hard 1

Every question was multiple choice.

Every question

All 5 questions

From the official JEE Main shift papers, newest first. Open one for the full question, the options and the official answer.

  1. 31 Jan 2024, Shift 2 · Q76Identify A and B in the following reaction sequence. [reaction: bromobenzene --(Conc HNO3_3)--> A --((i) NaOH, (ii) HCl)--> B]HardDiagram basedHas a figure
  2. 8 Apr 2023, Shift 2 · Q73The correct order of reactivity of following haloarenes towards nucleophilic substitution with aqueous NaOH is : A. [chlorobenzene] B.…MediumSingle correctHas a figure
  3. 24 Feb 2021, Shift 2 · Q45The correct order of the following compounds showing increasing tendency towards nucleophilic substitution reaction is : (i) [figure:…MediumDiagram basedHas a figure
  4. 3 Aug 2021, Shift 2 · Q43Order of reactivity for hydrolysis of substituted chlorobenzenes in the presence of aqueous NaOH isMediumSingle correctHas a figure
  5. 3 Aug 2021, Shift 1 · Q44The correct arrangement of the following compounds in the order of increasing difficulty towards nucleophilic substitution isMediumDiagram basedHas a figure

Shifts: 24 Feb 2021, Shift 2, 3 Aug 2021, Shift 2, 3 Aug 2021, Shift 1, 8 Apr 2023, Shift 2, 31 Jan 2024, Shift 2.

Same topic

Other ideas in Aromatic Hydrocarbons

Aromatic Hydrocarbons has 21 ideas JEE Main has asked; 14 of them came up in more than one question. The 12 most asked are below.

Topic analysisChapter analysisStudy this chapterAll repeated ideas