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Saturday, 31 October

JEE Main · Chemistry · Biomolecules

Sucrose Structure and Linkage

JEE Main asked Sucrose Structure and Linkage 4 times in 4 of the 108 shifts Lumi analysed, in 2021 and 2022. It belongs to Carbohydrates, in Biomolecules (Chemistry). The longest wait between two years asking it was 1 year. In 2021 and 2022 it came in more than one shift of the same year.

Updated 2026-10-24

Times asked
4
in 4 shifts
Years
2 of 8
First asked
2021
last in 2022
Pattern
Occasional
across the analysed shifts

Questions on this idea a shift, by year

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

00.050.10’170’200.07’210.07’220’230’240’250’26

Raw count: 2017: 0 in 1 shift · 2020: 0 in 12 shifts · 2021: 2 in 24 shifts · 2022: 2 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
  • 20222 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: recall.

  • Identify disaccharide from glycosidic linkage
  • Correct statements about sucrose

Difficulty

Easy 4Medium 0Hard 0

Every question was multiple choice.

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. 28 Jun 2022, Shift 2 · Q79When sugar ‘X’ is boiled with dilute H2SO4\mathrm{H_2SO_4} in alcoholic solution, two isomers ‘A’ and ‘B’ are formed. ‘A’ on oxidation with…EasySingle correct
  2. 25 Jul 2022, Shift 2 · Q78Glycosidic linkage between C1 of α\alpha-glucose and C2 of β\beta–fructose is found inEasySingle correct
  3. 26 Feb 2021, Shift 2 · Q48Match List-I with List-II. List-I | List-II (a) Sucrose | (i) β\beta-D-Galactose and β\beta-D-Glucose (b) Lactose | (ii)…EasyMatch the list
  4. 26 Aug 2021, Shift 2 · Q49Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Sucrose is a…EasyAssertion–reason

Shifts: 26 Feb 2021, Shift 2, 26 Aug 2021, Shift 2, 28 Jun 2022, Shift 2, 25 Jul 2022, Shift 2.

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