JEE Main 2024 · ChemistryNumerical answerNumerical valueMediumMulti-step

JEE Main 27 January 2024, Shift 1, Chemistry Q90

Question 90 of 90 in this shift, Chemistry question 30 of 30, Section B.

3-Methylhex-2-ene on reaction with HBr in presence of peroxide forms an addition product (A). The number of possible stereoisomers for 'A' is __________.

Official answer

NTA final key.

Chapter: Haloalkanes and Haloarenes
Topic: Alkenes and Alkynes
Idea tested: Peroxide Effect (Anti-Markovnikov)

Same idea in other shifts

Asked 3× in all

6 Sep 2020, Shift 2 · Q30The increasing order of the boiling points of the major products A, B and C of the following reactions will be : (a) [figure: but-1-ene,…MediumSingle correctHas a figure
2 Apr 2017 (offline) · Q583-Methyl-pent-2-ene on reaction with HBr in presence of peroxide forms an addition product. The number of possible stereoisomers for the…MediumSingle 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.