JEE Main · Chemistry · Haloalkanes and Haloarenes
Dow Process for Phenol
JEE Main asked Dow Process for Phenol 3 times in 3 of the 108 shifts Lumi analysed, in 2021 and 2024. It belongs to Alcohols and Phenols, in Haloalkanes and Haloarenes (Chemistry). The longest wait between two years asking it was 3 years. In 2024 it came in more than one shift of the same year.
Updated 2026-10-24
- Times asked
- 3
- in 3 shifts
- Years
- 2 of 8
- First asked
- 2021
- last in 2024
- Pattern
- Occasional
- across the analysed shifts
Questions on this idea a shift, by year
2017–2026. Asked in 2021 and 2024. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Chemistry questions.
Raw count: 2017: 0 in 1 shift · 2020: 0 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.
How JEE Main framed it
Diagram based is the usual form. Skill tested: conceptual.
- Identify compounds in reaction sequence
- Identify impossible aromatic reaction
Difficulty
Every question was multiple choice.
Every question
All 3 questions
From the official JEE Main shift papers, newest first. Open one for the full question, the options and the official answer.
- 5 Apr 2024, Shift 2 · Q76Which one of the following reactions is NOT possible ?MediumDiagram basedHas a figure
- 5 Apr 2024, Shift 1 · Q78Identify compound (Z) in the following reaction sequence. chlorobenzene…EasyDiagram basedHas a figure
- 17 Mar 2021, Shift 1 · Q44[reaction drawn: see figure_note] The above reaction requires which of the following reaction conditions ?EasyDiagram basedHas a figure
Shifts: 17 Mar 2021, Shift 1, 5 Apr 2024, Shift 2, 5 Apr 2024, Shift 1.
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.
- Reimer-Tiemann Reaction9× · 2024
- Phenol Acidity Comparison8× · 2024
- Alcohol Dehydration Ease7× · 2026
- Iodoform Test for Specific Alcohols5× · 2025
- Hydrogen Bonding Trends in Alcohols5× · 2024
- Phthalein Dye Test4× · 2026
- Phenol Nitration Reagent Effects4× · 2024
- Lucas Test Differentiation3× · 2026
- Phenol Bromination Solvent Effect3× · 2024
- Grignard Synthesis of Alcohols3× · 2023
- Phenol Nitration and Steam Volatility2× · 2026
- Selective Alcohol Oxidation2× · 2022