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Saturday, 31 October

JEE Main · Chemistry · Amines

Protection of Aniline for Mono-Substitution

JEE Main asked Protection of Aniline for Mono-Substitution 4 times in 4 of the 108 shifts Lumi analysed, in 2021, 2023 and 2024. It belongs to Amines (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
4
in 4 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.

00.050.10’170’200.07’210’220.07’230.05’240’250’26

Raw count: 2017: 0 in 1 shift · 2020: 0 in 12 shifts · 2021: 2 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
  • 20212 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
  • Acetanilide mass from aniline

Difficulty

Easy 2Medium 2Hard 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. 4 Apr 2024, Shift 2 · Q87From 6.55 g of aniline, the maximum amount of acetanilide that can be prepared will be ______ ×10−1\times 10^{-1} g.EasyNumerical value
  2. 6 Apr 2023, Shift 1 · Q78The major products A and B from the following reactions are: [Reactant: acetanilide, C6H5NHCOCH3\mathrm{C_6H_5NHCOCH_3}; with Br2/AcOH\mathrm{Br_2/AcOH}…MediumDiagram basedHas a figure
  3. 31 Aug 2021, Shift 2 · Q47The major products A and B formed in the following reaction sequence are : [benzene ring (inner circle) bearing NH2\mathrm{NH_2}; acetic…EasyDiagram basedHas a figure
  4. 26 Aug 2021, Shift 2 · Q47[reaction scheme] drawn structure: benzene ring with a CH2\mathrm{CH_2} bonded to NH2\mathrm{NH_2} and, on another ring carbon (meta-type…MediumDiagram basedHas a figure

Shifts: 26 Aug 2021, Shift 2, 31 Aug 2021, Shift 2, 6 Apr 2023, Shift 1, 4 Apr 2024, Shift 2.

Same topic

Other ideas in Amines

Amines has 26 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