Learn

Saturday, 31 October

JEE Main · Chemistry · The p-Block Elements

Sulfur Oxoacids

JEE Main asked Sulfur Oxoacids 5 times in 5 of the 108 shifts Lumi analysed, in 2020, 2021, 2022 and 2024. It belongs to Group 15 & 16, in The p-Block Elements (Chemistry). The longest wait between two years asking it was 2 years. In 2022 it came in more than one shift of the same year.

Updated 2026-10-24

Times asked
5
in 5 shifts
Years
4 of 8
First asked
2020
last in 2024
Pattern
Comes in cycles
across the analysed shifts

Questions on this idea a shift, by year

2017–2026. Asked in 2020, 2021, 2022 and 2024. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Chemistry questions.

00.050.10’170.08’200.03’210.07’220’230.05’240’250’26

Raw count: 2017: 0 in 1 shift · 2020: 1 in 12 shifts · 2021: 1 in 24 shifts · 2022: 2 in 24 shifts · 2023: 0 in 12 shifts · 2024: 1 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
  • 20241 of 18
  • 20230 of 12
  • 20222 of 24
  • 20211 of 24
  • 20201 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: recall.

  • Atoms in formula of compound
  • Count bonds in sulphur species

Difficulty

Easy 2Medium 3Hard 0

2 of the 5 questions had a numerical answer.

Every question

All 5 questions

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

  1. 9 Apr 2024, Shift 2 · Q89Number of oxygen atoms present in chemical formula of fuming sulphuric acid is ________.EasyNumerical value
  2. 28 Jun 2022, Shift 2 · Q71Which of the following oxoacids of sulphur contains “S” in two different oxidation states ?MediumSingle correct
  3. 29 Jul 2022, Shift 2 · Q87Consider the following sulphur based oxoacids. H2SO3\mathrm{H_2SO_3} , H2SO4\mathrm{H_2SO_4} , H2S2O8\mathrm{H_2S_2O_8} and H2S2O7\mathrm{H_2S_2O_7}.…EasyNumerical value
  4. 31 Aug 2021, Shift 2 · Q36The number of S=O bonds present in sulphurous acid, peroxodisulphuric acid and pyrosulphuric acid, respectively are :MediumSingle correct
  5. 8 Jan 2020, Shift 1 · Q35The number of bonds between sulphur and oxygen atoms in S2O82−\mathrm{S_2O_8^{2-}} and the number of bonds between sulphur and sulphur atoms…MediumSingle correct

Shifts: 8 Jan 2020, Shift 1, 31 Aug 2021, Shift 2, 28 Jun 2022, Shift 2, 29 Jul 2022, Shift 2, 9 Apr 2024, Shift 2.

Same topic

Other ideas in Group 15 & 16

Group 15 & 16 has 15 ideas JEE Main has asked; 10 of them came up in more than one question. The 12 most asked are below.

Topic analysisChapter analysisAll repeated ideas