JEE Main 30 January 2024, Shift 1, Chemistry Q78

Question 78 of 90 in this shift, Chemistry question 18 of 30, Section A.

Sugar which does not give reddish brown precipitate with Fehling's reagent, is :

(1)Glucose
(2)Maltose
(3)Lactose
(4)SucroseOfficial answer

Official answer

Option 4

NTA final key.

Chapter: Biomolecules
Topic: Carbohydrates
Idea tested: Non-Reducing Nature of Sucrose

Same idea in other shifts

Asked 2× in all

18 Mar 2021, Shift 1 · Q49A non-reducing sugar "A" hydrolyses to give two reducing mono saccharides. Sugar A is :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.