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Saturday, 31 October

JEE Main 2024 · ChemistryMultiple choiceSingle correctEasyApplication

JEE Main 27 January 2024, Shift 1, Chemistry Q70

Question 70 of 90 in this shift, Chemistry question 10 of 30, Section A.

IUPAC name of following compound (P) is :

The figure, in words

Cyclohexane ring labelled (P) with two methyl groups on one ring carbon (gem-dimethyl) and an ethyl group on the ring carbon two positions away (meta).
  1. (1)1,1-Dimethyl-3-ethylcyclohexane
  2. (2)1-Ethyl-5,5-dimethylcylohexane
  3. (3)1-Ethyl-3,3-dimethylcylohexane
  4. (4)3-Ethyl-1,1-dimethylcylohexaneOfficial answer

Official answer

Option 4

NTA final key.

Chapter
Organic Chemistry: Some Basic Principles and Techniques
Topic
IUPAC Nomenclature
Idea tested
Cyclic Compound Naming

Same idea in other shifts

Asked 2× in all
  1. 8 Apr 2025, Shift 2 · Q63What is the correct IUPAC name of [structure: cyclopentene ring with an ethyl group on one ring carbon and an OH group on another] ?MediumSingle correctHas 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.