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Saturday, 31 October

JEE Main 2024 · ChemistryMultiple choiceOtherMediumConceptual

JEE Main 8 April 2024, Shift 1, Chemistry Q76

Question 76 of 90 in this shift, Chemistry question 16 of 30, Section A.

Which of the following are aromatic? A. [figure: fused bicyclic ring system, two six-membered rings] B. [figure: benzene ring with a vinyl group] C. [figure: ten-membered monocyclic ring with alternating double bonds] D. [figure: large monocyclic ring with alternating double bonds]

The figure, in words

Four structures: A fused bicyclic six/six ring system with alternating double bonds, B benzene ring with a vinyl group, C elongated ten-membered ring with alternating double bonds, D large (twelve-plus-membered) monocyclic ring with alternating double bonds.
  1. (1)A and B only
  2. (2)C and D only
  3. (3)A and C only
  4. (4)B and D onlyOfficial answer

Official answer

Option 4

NTA final key.

Chapter
Haloalkanes and Haloarenes
Topic
Aromatic Hydrocarbons
Idea tested
Annulene Planarity and Aromaticity

Same idea in other shifts

Asked 3× in all
  1. 26 Jul 2022, Shift 1 · Q73Which of the following compounds is not aromatic ?MediumDiagram basedHas a figure
  2. 27 Jul 2022, Shift 1 · Q74Given below are two statements: one is labelled as Assertion A and, the other is labelled as Reason R. Assertion A: [6] Annulene, [8]…MediumAssertion–reasonHas 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. This question needs a figure we do not reproduce; it is described in words above. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.