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Saturday, 31 October

JEE Main · Chemistry · Aldehydes, Ketones and Carboxylic Acids

Friedel-Crafts Acylation and Acylium Ion

JEE Main asked Friedel-Crafts Acylation and Acylium Ion 4 times in 4 of the 108 shifts Lumi analysed, in 2021 and 2024. It belongs to Aromatic Hydrocarbons, in Aldehydes, Ketones and Carboxylic Acids (Chemistry). The longest wait between two years asking it was 3 years. In 2024 it came in more than one shift of the same year.

Updated 2026-10-24

Times asked
4
in 4 shifts
Years
2 of 8
First asked
2021
last in 2024
Pattern
Occasional
across the analysed shifts

Questions on this idea a shift, by year

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

00.10.20’170’200.03’210’220’230.14’240’250’26

Raw count: 2017: 0 in 1 shift · 2020: 0 in 12 shifts · 2021: 1 in 24 shifts · 2022: 0 in 24 shifts · 2023: 0 in 12 shifts · 2024: 3 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
  • 20243 of 18
  • 20230 of 12
  • 20220 of 24
  • 20211 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.

  • Predict product of reaction
  • Count correct named reactions among four given

Difficulty

Easy 1Medium 3Hard 0

1 of the 4 questions had a numerical answer.

Every question

All 4 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 · Q77Identify major product 'P' formed in the following reaction. [reaction: benzene + benzoyl chloride (C6_6H5_5COCl) --(Anhydrous…EasyDiagram basedHas a figure
  2. 5 Apr 2024, Shift 2 · Q75Identify A and B in the given chemical reaction sequence : Benzene + succinic anhydride (cyclic five-membered anhydride)…MediumDiagram basedHas a figure
  3. 4 Apr 2024, Shift 1 · Q89The number of the correct reaction(s) among the following is ________. (A) [benzene + benzoyl chloride (C6H5COCl\mathrm{C_6H_5COCl}),…MediumNumerical valueHas a figure
  4. 31 Aug 2021, Shift 2 · Q45The structures of A and B formed in the following reaction are : [Ph = −C6H5-\mathrm{C_6H_5}] [benzene ring (with inner circle) + a…MediumDiagram basedHas a figure

Shifts: 31 Aug 2021, Shift 2, 31 Jan 2024, Shift 2, 4 Apr 2024, Shift 1, 5 Apr 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