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Saturday, 31 October

JEE Main · Chemistry · Amines

Reduction to Benzene via Ethanol

JEE Main asked Reduction to Benzene via Ethanol 4 times in 4 of the 108 shifts Lumi analysed, in 2021, 2022, 2025 and 2026. It belongs to Diazonium Salts, in Amines (Chemistry). The longest wait between two years asking it was 3 years.

Updated 2026-10-24

Times asked
4
in 4 shifts
Years
4 of 8
First asked
2021
last in 2026
Pattern
Frequent
across the analysed shifts

Questions on this idea a shift, by year

2017–2026. Asked in 2021, 2022, 2025 and 2026. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Chemistry questions.

00.10.20’170’200.03’210.03’220’230’240.13’250.11’26

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

Shift by shift

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

  • 20261 of 9
  • 20251 of 8
  • 20240 of 18
  • 20230 of 12
  • 20221 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: multi-step.

  • Predict product of reaction sequence
  • Identify incorrect reaction of diazonium salt

Difficulty

Easy 1Medium 2Hard 1

Every question was multiple choice.

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. 6 Apr 2026, Shift 2 · Q67Consider the following organic reaction sequence. Choose the final product (X) from the following (consider the major product in all…HardSingle correctHas a figure
  2. 3 Apr 2025, Shift 1 · Q69In the following reactions, which one is NOT correct?EasyDiagram basedHas a figure
  3. 30 Jun 2022, Shift 1 · Q77[structure: A + CH3CH2OH\mathrm{CH_3CH_2OH} ⟶\longrightarrow benzene ring]…MediumDiagram basedHas a figure
  4. 17 Mar 2021, Shift 2 · Q47C7H7N2OCl+C2H5OH⟶\mathrm{C_7H_7N_2OCl + C_2H_5OH} \longrightarrow [structure] +N2+"X"+"Y"+ \mathrm{N_2} + \text{"X"} + \text{"Y"} (A) In the above reaction, the…MediumDiagram basedHas a figure

Shifts: 17 Mar 2021, Shift 2, 30 Jun 2022, Shift 1, 3 Apr 2025, Shift 1, 6 Apr 2026, Shift 2.

Same topic

Other ideas in Diazonium Salts

Diazonium Salts has 16 ideas JEE Main has asked; 8 of them came up in more than one question. The 12 most asked are below.

Topic analysisChapter analysisStudy this chapterAll repeated ideas