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Saturday, 31 October

JEE Main · Chemistry · Practical Chemistry (Qualitative Analysis)

Dilute Acid Group Identification

JEE Main asked Dilute Acid Group Identification once in the 108 shifts Lumi analysed, on 27 Jun 2022, Shift 2. It belongs to Anion Analysis, in Practical Chemistry (Qualitative Analysis) (Chemistry).

Updated 2026-10-24

Times asked
1
in 1 shift
Years
1 of 8
First asked
2022
the only year
Pattern
Occasional
asked once so far

Questions on this idea a shift, by year

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

00.050.10’170’200’210.03’220’230’240’250’26

Raw count: 2017: 0 in 1 shift · 2020: 0 in 12 shifts · 2021: 0 in 24 shifts · 2022: 1 in 24 shifts · 2023: 0 in 12 shifts · 2024: 0 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
  • 20240 of 18
  • 20230 of 12
  • 20221 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

Match the list is the usual form. Skill tested: recall.

  • Match list on anions and gases evolved

Difficulty

Easy 0Medium 1Hard 0

The question was multiple choice.

Every question

The question

From the official JEE Main shift papers, newest first. Open one for the full question, the options and the official answer.

  1. 27 Jun 2022, Shift 2 · Q80Match List I with List II. List I (Anion) | List II (gas evolved on reaction with dil.H2SO4\mathrm{H_2SO_4}) A. CO32−\mathrm{CO_3^{2-}} | I.…MediumMatch the list

Shift: 27 Jun 2022, Shift 2.

Same topic

Other ideas in Anion Analysis

Anion Analysis has 13 ideas JEE Main has asked; 4 of them came up in more than one question.

Topic analysisChapter analysisAll repeated ideas