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Saturday, 31 October

JEE Main · Chemistry · Alcohols, Phenols and Ethers

Reimer-Tiemann Reaction

JEE Main asked Reimer-Tiemann Reaction 9 times in 9 of the 108 shifts Lumi analysed, in 2020, 2021, 2022 and 2024. It belongs to Alcohols and Phenols, in Alcohols, Phenols and Ethers (Chemistry). The longest wait between two years asking it was 2 years. In 2021, 2022 and 2024 it came in more than one shift of the same year.

Updated 2026-10-24

Times asked
9
in 9 shifts
Years
4 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, 2022 and 2024. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Chemistry questions.

00.10.20’170.08’200.10’210.07’220’230.14’240’250’26

Raw count: 2017: 0 in 1 shift · 2020: 1 in 12 shifts · 2021: 3 in 24 shifts · 2022: 2 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
  • 20222 of 24
  • 20213 of 24
  • 20201 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: recall.

  • Reagent identification
  • Mass percent of product from named reaction

Difficulty

Easy 4Medium 5Hard 0

1 of the 9 questions had a numerical answer.

Every question

All 9 questions

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

  1. 30 Jan 2024, Shift 2 · Q76Salicylaldehyde is synthesized from phenol, when reacted withEasySingle correct
  2. 8 Apr 2024, Shift 2 · Q77Match List - I with List - II. List - I (Reactions) | List - II (Products) (A) aniline (C6H5NH2\mathrm{C_6H_5NH_2}) with (i)…MediumMatch the listHas a figure
  3. 6 Apr 2024, Shift 1 · Q78In Reimer - Tiemann reaction, phenol is converted into salicylaldehyde through an intermediate. The structure of intermediate is __________.EasyDiagram basedHas a figure
  4. 27 Jun 2022, Shift 2 · Q75Match List I with List II. List I | List II A. [drawn: benzene ring bearing OH →\rightarrow benzene ring bearing OH and, on a…MediumMatch the listHas a figure
  5. 25 Jun 2022, Shift 1 · Q76The intermediate X, in the reaction : [figure: CHCl3\mathrm{CHCl_3} + Aq. NaOH + benzene ring with OH substituent, arrow to [X]; below [X] an…EasyDiagram basedHas a figure
  6. 22 Jul 2021, Shift 2 · Q45An organic compound A (C6H6O\mathrm{C_6H_6O}) gives dark green colouration with ferric chloride. On treatment with CHCl3\mathrm{CHCl_3} and KOH,…MediumDiagram basedHas a figure
  7. 26 Feb 2021, Shift 1 · Q45Identify the major products A and B respectively in the following reactions of phenol : [reaction scheme, see figure_note]MediumDiagram basedHas a figure
  8. 4 Aug 2021, Shift 1 · Q46Match List I with List II List I List II A. Kolbe's Reaction I. [structure: benzene ring with a CHO substituent] B. Gatterman-Koch…MediumMatch the listHas a figure
  9. 6 Sep 2020, Shift 2 · Q50A solution of phenol in chloroform when treated with aqueous NaOH gives compound P as a major product. The mass percentage of carbon in P…EasyNumerical value

Shifts: 6 Sep 2020, Shift 2, 26 Feb 2021, Shift 1, 22 Jul 2021, Shift 2, 4 Aug 2021, Shift 1, 25 Jun 2022, Shift 1, 27 Jun 2022, Shift 2, 30 Jan 2024, Shift 2, 6 Apr 2024, Shift 1, 8 Apr 2024, Shift 2.

Same topic

Other ideas in Alcohols and Phenols

Alcohols and Phenols has 26 ideas JEE Main has asked; 13 of them came up in more than one question. The 12 most asked are below.

Topic analysisChapter analysisStudy this chapterAll repeated ideas