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Saturday, 31 October

JEE Main · Chemistry · Haloalkanes and Haloarenes

Synergic Directing Effects in Di-substituted Benzenes

JEE Main asked Synergic Directing Effects in Di-substituted Benzenes 3 times in 2 of the 108 shifts Lumi analysed, in 2024 and 2025. It belongs to Aromatic Hydrocarbons, in Haloalkanes and Haloarenes (Chemistry). The longest wait between two years asking it was 1 year.

Updated 2026-10-24

Times asked
3
in 2 shifts
Years
2 of 8
First asked
2024
last in 2025
Pattern
New since 2024
across the analysed shifts

Questions on this idea a shift, by year

2017–2026. Asked in 2024 and 2025. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Chemistry questions.

00.10.20’170’200’210’220’230.09’240.13’250’26

Raw count: 2017: 0 in 1 shift · 2020: 0 in 12 shifts · 2021: 0 in 24 shifts · 2022: 0 in 24 shifts · 2023: 0 in 12 shifts · 2024: 2 in 18 shifts · 2025: 1 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
  • 20251 of 8
  • 202421 of 18
  • 20230 of 12
  • 20220 of 24
  • 20210 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
  • Atom ratio in product of aromatic substitution

Difficulty

Easy 0Medium 3Hard 0

1 of the 3 questions had a numerical answer.

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.

  1. 3 Apr 2025, Shift 2 · Q67In the following series of reactions identify the major products A & B respectively Bromobenzene…MediumDiagram basedHas a figure
  2. 6 Apr 2024, Shift 2 · Q79The major products formed : Anisole (benzene ring with OCH3\mathrm{OCH_3}) →HNO3, H2SO4\xrightarrow{\mathrm{HNO_3,\ H_2SO_4}} 'A'…MediumDiagram basedHas a figure
  3. 6 Apr 2024, Shift 2 · Q89Reaction: ethoxybenzene (benzene ring with OC2H5\mathrm{OC_2H_5}) →HNO3, H2SO4\xrightarrow{\mathrm{HNO_3,\ H_2SO_4}} P (major product)…MediumNumerical valueHas a figure

Shifts: 6 Apr 2024, Shift 2, 3 Apr 2025, Shift 2.

Same topic

Other ideas in Aromatic Hydrocarbons

Aromatic Hydrocarbons has 21 ideas JEE Main has asked; 14 of them came up in more than one question. The 12 most asked are below.

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