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Saturday, 31 October

JEE Main 2026 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 8 April 2026, Shift 2, Chemistry Q69

Question 69 of 75 in this shift, Chemistry question 19 of 25, Section A.

The incorrect statement from the following with respect to carbohydrates is :
  1. (1)All monosaccharides are reducing sugars.
  2. (2)The monosaccharide units obtained from hydrolysis of oligosaccharides are always the same.Official answer
  3. (3)Starch and cellulose are typical examples of polysaccharides, which are very high molecular weight compounds of more than ten monosaccharide units.
  4. (4)Open chain and cyclic structures co-exist at equilibrium that are responsible for certain properties as in the case of D-(+)-glucose.

Official answer

Option 2

NTA final key.

Chapter
Biomolecules
Topic
Carbohydrates
Idea tested
Hydrolysis-Based Classification of Carbohydrates

Same idea in other shifts

Asked 2× in all
  1. 17 Mar 2021, Shift 2 · Q50Fructose is an example of :EasySingle correct

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.