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Saturday, 31 October

JEE Main 2021 · ChemistryMultiple choiceSingle correctMediumApplication

JEE Main 22 July 2021, Shift 2, Chemistry Q44

Question 44 of 90 in this shift, Chemistry question 14 of 30, Section A.

Which one of the following molecules does not show stereo isomerism ?
  1. (1)3-Methylhex-1-ene
  2. (2)4-Methylhex-1-ene
  3. (3)3-Ethylhex-3-eneOfficial answer
  4. (4)3,4-Dimethylhex-3-ene

Official answer

Option 3

NTA final key.

Chapter
Organic Chemistry: Some Basic Principles and Techniques
Topic
Stereoisomerism
Idea tested
Geometrical Isomerism

Same idea in other shifts

Asked 2× in all
  1. 3 Aug 2021, Shift 2 · Q44The correct structure of ciscis–2,4-dimethylhept-3-ene is,MediumDiagram basedHas a figure

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.