JEE Main 2021 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 4 August 2021, Shift 1, Chemistry Q49

Question 49 of 90 in this shift, Chemistry question 19 of 30, Section A.

Which C-atom in α-D-glucopyranose is attached with two oxygens?

(1)C – 1Official answer
(2)C – 2
(3)C – 3 and C – 1
(4)C – 5

Official answer

Option 1

NTA final key.

Chapter: Biomolecules
Topic: Carbohydrates
Idea tested: Cyclic Structure of Glucose

Same topic in other shifts

All Carbohydrates questions

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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.