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JEE Main 202427 JanuaryMorning Shift
Exam
JEE Main
Year
2024
Date
27 January
Shift
Morning Shift
Subject
Chemistry
Chapter
General Organic Chemistry

JEE Main 2024 · 27 January · Morning Shift · Chemistry · General Organic Chemistry

IUPAC name of following compound (P) is :

IUPACIUPAC name of following compound (P) is :

IUPAC name of following compound (P) is :

Options

  1. A1−Ethyl−5,5−dimethylcyclohexane1 - Ethyl - 5, 5 - dimethylcyclohexane
  2. B3−Ethyl−1,1−dimethylcyclohexane3 - Ethyl - 1, 1 - dimethylcyclohexane
  3. C1−Ethyl−3,3−dimethylcyclohexane1 - Ethyl - 3, 3 - dimethylcyclohexane
  4. D1,1−Dimethyl−3−ethylcyclohexane1, 1 - Dimethyl - 3 - ethylcyclohexane

Correct answer

B. 3−Ethyl−1,1−dimethylcyclohexane3 - Ethyl - 1, 1 - dimethylcyclohexane

Step-by-step solution

By IUPAC nomenclature,

The parent chain in this compound is the cyclohexane ring, which consists of six carbon atoms.

The substituents are:

Ethyl group  attached to third carbon.

Two methyl groups  attached to carbon 11 .

The Numbering must be given the carbons in the cyclohexane ring so that  the substituents get the lowest numbers,

Hence, the name is 33-ethyl 1,11, 1-dimethylcyclohexane

IUPAC name of following compound (P) is :

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