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Saturday, 31 October

JEE Main · Chemistry · Amines

Hofmann Bromamide Degradation

JEE Main asked Hofmann Bromamide Degradation 11 times in 11 of the 108 shifts Lumi analysed, in 2021, 2022, 2023, 2024 and 2026. It belongs to Amines (Chemistry). The longest wait between two years asking it was 2 years. In 2021, 2022 and 2026 it came in more than one shift of the same year.

Updated 2026-10-24

Times asked
11
in 11 shifts
Years
5 of 8
First asked
2021
last in 2026
Pattern
Asked most years
across the analysed shifts

Questions on this idea a shift, by year

2017–2026. Asked in 2021, 2022, 2023, 2024 and 2026. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Chemistry questions.

00.150.30’170’200.10’210.14’220.07’230.05’240’250.22’26

Raw count: 2017: 0 in 1 shift · 2020: 0 in 12 shifts · 2021: 3 in 24 shifts · 2022: 4 in 24 shifts · 2023: 1 in 12 shifts · 2024: 1 in 18 shifts · 2025: 0 in 8 shifts · 2026: 2 in 9 shifts.

Shift by shift

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

  • 20262 of 9
  • 20250 of 8
  • 20241 of 18
  • 20231 of 12
  • 20224 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: multi-step.

  • Statement i/ii on amine reactions
  • Count correct statements on hofmann bromamide reaction

Difficulty

Easy 4Medium 5Hard 2

Every question was multiple choice.

Every question

All 11 questions

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

  1. 8 Apr 2026, Shift 2 · Q68Which statements are True ? A. In Hoffmann bromamide degradation, 4 moles of NaOH and 2 moles of Br2\mathrm{Br_2} are consumed per mole of…MediumOther
  2. 5 Apr 2026, Shift 2 · Q67Given below are two statements : Statement I : Heating benzamide with bromine in an ethanolic solution of sodium hydroxide will give…MediumTwo statements
  3. 30 Jan 2024, Shift 1 · Q77The final product A, formed in the following multistep reaction sequence is : [Scheme: bromobenzene…MediumDiagram basedHas a figure
  4. 6 Apr 2023, Shift 1 · Q76The major product formed in the following reaction is [Reactant: benzene ring bearing ortho CH2CONH2\mathrm{CH_2CONH_2} and COOCH3\mathrm{COOCH_3}…HardDiagram basedHas a figure
  5. 27 Jun 2022, Shift 1 · Q77Given below are two statements : Statement - I : In Hofmann degradation reaction, the migration of only an alkyl group takes place from…MediumTwo statements
  6. 25 Jun 2022, Shift 1 · Q78The reaction of R−C(=O)−NH2\mathrm{R-C(=O)-NH_2} with bromine and KOH gives RNH2\mathrm{RNH_2} as the end product. Which one of the following is the…EasySingle correct
  7. 30 Jul 2022, Shift 2 · Q46Which one of the following compounds can be prepared in good yield by Hoffmann bromamide degradation reaction?EasyDiagram basedHas a figure
  8. 29 Jul 2022, Shift 1 · Q76[figure: 'A' (C8H6Cl2O\mathrm{C_8H_6Cl_2O}) →NH3\xrightarrow{\mathrm{NH_3}} C8H8ClNO\mathrm{C_8H_8ClNO} →NaOHBr2\xrightarrow[\mathrm{NaOH}]{\mathrm{Br_2}} a…HardDiagram basedHas a figure
  9. 18 Mar 2021, Shift 2 · Q45In the reaction of hypobromite with amide, the carbonyl carbon is lost as :EasySingle correct
  10. 17 Mar 2021, Shift 1 · Q46Hoffmann bromomide degradation of benzamide gives product A, which upon heating with CHCl3\mathrm{CHCl_3} and NaOH gives product B. The…EasyDiagram basedHas a figure
  11. 27 Aug 2021, Shift 1 · Q46The major product of the following reaction is : CH3−CH−CH2−CH2−C(=O)−Cl\mathrm{CH_3-CH-CH_2-CH_2-C(=O)-Cl} [CH3 drawn above the CH, O drawn above the C]…MediumDiagram basedHas a figure

Shifts: 17 Mar 2021, Shift 1, 18 Mar 2021, Shift 2, 27 Aug 2021, Shift 1, 25 Jun 2022, Shift 1, 27 Jun 2022, Shift 1, 29 Jul 2022, Shift 1, 30 Jul 2022, Shift 2, 6 Apr 2023, Shift 1, 30 Jan 2024, Shift 1, 5 Apr 2026, Shift 2, 8 Apr 2026, 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