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Saturday, 31 October

JEE Main · Chemistry · Biomolecules

Reducing vs Non-reducing Sugars

JEE Main asked Reducing vs Non-reducing Sugars 4 times in 4 of the 108 shifts Lumi analysed, in 2017, 2022, 2023 and 2026. It belongs to Carbohydrates, in Biomolecules (Chemistry). The longest wait between two years asking it was 5 years, across 2018 and 2019, which Lumi has no shifts for.

Updated 2026-10-24

Times asked
4
in 4 shifts
Years
4 of 8
First asked
2017
last in 2026
Pattern
Frequent
across the analysed shifts

Questions on this idea a shift, by year

2017–2026. Asked in 2017, 2022, 2023 and 2026. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Chemistry questions.

00.510.83’170’200’210.03’220.07’230’240’250.11’26

Raw count: 2017: 1 in 1 shift · 2020: 0 in 12 shifts · 2021: 0 in 24 shifts · 2022: 1 in 24 shifts · 2023: 1 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
  • 20231 of 12
  • 20221 of 24
  • 20210 of 24
  • 20200 of 12
  • 20171 of 1

Asked in that shift More than once Not asked

How JEE Main framed it

Diagram based is the usual form. Skill tested: application.

  • Statement i/ii on disaccharides
  • Identify reducing sugar among structures

Difficulty

Easy 1Medium 2Hard 1

1 of the 4 questions had a numerical answer.

Every question

All 4 questions

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

  1. 4 Apr 2026, Shift 1 · Q68Given below are two statements: Statement I: The structure of Maltose is given below: [structure of maltose: two glucopyranose rings…EasyTwo statementsHas a figure
  2. 11 Apr 2023, Shift 2 · Q89Number of compounds from the following which will not produce orange red precipitate with Benedict solution is ____________ Glucose,…MediumNumerical value
  3. 26 Jul 2022, Shift 1 · Q79Which one of the following is a reducing sugar ?MediumDiagram basedHas a figure
  4. 2 Apr 2017 (offline) · Q57Which of the following compounds will behave as a reducing sugar in an aqueous KOH solution ?HardSingle correctHas a figure

Shifts: 2 Apr 2017 (offline), 26 Jul 2022, Shift 1, 11 Apr 2023, Shift 2, 4 Apr 2026, Shift 1.

Same topic

Other ideas in Carbohydrates

Carbohydrates has 25 ideas JEE Main has asked; 13 of them came up in more than one question. The 12 most asked are below.

Topic analysisChapter analysisStudy this chapterAll repeated ideas