JEE Main 2023 · ChemistryMultiple choiceSingle correctMediumApplication

JEE Main 13 April 2023, Shift 1, Chemistry Q80

Question 80 of 90 in this shift, Chemistry question 20 of 30, Section A.

D -(+)- Glyceraldehyde

\xrightarrow[\text{iii) HNO}_3]{\text{i) HCN; ii) H}_2\text{O / H}^+}

The products formed in the above reaction are

(1)Two optically active products
(2)One optically active and one meso productOfficial answer
(3)Two optically inactive products
(4)One optically inactive and one meso product.

Official answer

Option 2

NTA final key.

Chapter: Biomolecules
Topic: Carbohydrates
Idea tested: Kiliani-Fischer Synthesis

Same topic in other shifts

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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.