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Saturday, 31 October

JEE Main · Chemistry · Coordination Compounds

Optical Activity in M(AA)2B2 Complexes

JEE Main asked Optical Activity in M(AA)2B2 Complexes 2 times in 2 of the 108 shifts Lumi analysed, all in 2024. It belongs to Coordination Isomerism, in Coordination Compounds (Chemistry). In 2024 it came in more than one shift of the same year.

Updated 2026-10-24

Times asked
2
in 2 shifts
Years
1 of 8
First asked
2024
the only year
Pattern
New since 2024
across the analysed shifts

Questions on this idea a shift, by year

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

00.050.10’170’200’210’220’230.09’240’250’26

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: 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
  • 20242 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

Assertion–reason is the usual form. Skill tested: application.

  • Count complexes showing optical isomerism
  • Assertion-reason on isomers of complex

Difficulty

Easy 0Medium 2Hard 0

1 of the 2 questions had a numerical answer.

Every question

All 2 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 · Q86Number of complexes which show optical isomerism among the following is ________. cis-[Cr(ox)2Cl2]3−cis\text{-}[\mathrm{Cr(ox)_2Cl_2}]^{3-},…MediumNumerical value
  2. 9 Apr 2024, Shift 1 · Q69Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : The total…MediumAssertion–reason

Shifts: 30 Jan 2024, Shift 2, 9 Apr 2024, Shift 1.

Same topic

Other ideas in Coordination Isomerism

Coordination Isomerism has 20 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