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Saturday, 31 October

JEE Main · Chemistry · The p-Block Elements

Halogen Reactivity Trends

JEE Main asked Halogen Reactivity Trends 3 times in 3 of the 108 shifts Lumi analysed, in 2021 and 2026. It belongs to Group 17 & 18, in The p-Block Elements (Chemistry). The longest wait between two years asking it was 5 years. In 2021 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 2026
Pattern
Occasional
across the analysed shifts

Questions on this idea a shift, by year

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

00.10.20’170’200.07’210’220’230’240’250.11’26

Raw count: 2017: 0 in 1 shift · 2020: 0 in 12 shifts · 2021: 2 in 24 shifts · 2022: 0 in 24 shifts · 2023: 0 in 12 shifts · 2024: 0 in 18 shifts · 2025: 0 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
  • 20250 of 8
  • 20240 of 18
  • 20230 of 12
  • 20220 of 24
  • 20212 of 24
  • 20200 of 12
  • 20170 of 1

Asked in that shift More than once Not asked

How JEE Main framed it

Single correct is the usual form. Skill tested: conceptual.

  • Statement i/ii on halogen oxidising power and layer test
  • Incorrect statement selection on halogens

Difficulty

Easy 0Medium 3Hard 0

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.

  1. 2 Apr 2026, Shift 1 · Q60Given below are two statements : Statement (I) : Oxidising power of halogens decreases in the order F2>Cl2>Br2>I2\mathrm{F_2>Cl_2>Br_2>I_2}, which is…MediumTwo statements
  2. 25 Feb 2021, Shift 2 · Q34The correct order of bond dissociation enthalpy of halogens is :MediumSingle correct
  3. 26 Aug 2021, Shift 1 · Q38The incorrect statement is :MediumSingle correct

Shifts: 25 Feb 2021, Shift 2, 26 Aug 2021, Shift 1, 2 Apr 2026, Shift 1.

Same topic

Other ideas in Group 17 & 18

Group 17 & 18 has 17 ideas JEE Main has asked; 6 of them came up in more than one question. The 12 most asked are below.

Topic analysisChapter analysisAll repeated ideas