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Saturday, 31 October

JEE Main · Chemistry · Amines

Basicity of Nitrogen Heterocycles

JEE Main asked Basicity of Nitrogen Heterocycles 5 times in 5 of the 108 shifts Lumi analysed, in 2020, 2021 and 2024. It belongs to Amines (Chemistry). The longest wait between two years asking it was 3 years. In 2020 and 2024 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
2020
last in 2024
Pattern
Comes in cycles
across the analysed shifts

Questions on this idea a shift, by year

2017–2026. Asked in 2020, 2021 and 2024. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Chemistry questions.

00.10.20’170.17’200.03’210’220’230.09’240’250’26

Raw count: 2017: 0 in 1 shift · 2020: 2 in 12 shifts · 2021: 1 in 24 shifts · 2022: 0 in 24 shifts · 2023: 0 in 12 shifts · 2024: 2 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
  • 20242 of 18
  • 20230 of 12
  • 20220 of 24
  • 20211 of 24
  • 20202 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: conceptual.

  • Order/ranking of basicity of amines
  • Identify strongest base among nitrogen compounds

Difficulty

Easy 1Medium 4Hard 0

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. 27 Jan 2024, Shift 1 · Q77Which of the following is strongest Bronsted base ?EasyDiagram basedHas a figure
  2. 9 Apr 2024, Shift 1 · Q78Correct order of basic strength of Pyrrole (five-membered ring with NH), Pyridine (six-membered aromatic ring with N) and Piperidine…MediumSingle correctHas a figure
  3. 4 Aug 2021, Shift 2 · Q46For the compounds below given [structures I, II, III, IV: see figure_note] the correct order of basicity isMediumDiagram basedHas a figure
  4. 5 Sep 2020, Shift 1 · Q27The increasing order of basicity of the following compounds is :MediumDiagram basedHas a figure
  5. 9 Jan 2020, Shift 2 · Q39The decreasing order of basicity of the following amines is :MediumSingle correctHas a figure

Shifts: 9 Jan 2020, Shift 2, 5 Sep 2020, Shift 1, 4 Aug 2021, Shift 2, 27 Jan 2024, Shift 1, 9 Apr 2024, Shift 1.

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