Chemistry · IUPAC Nomenclature

JEE Main 2024 — 8 April, Shift 2 — Question 67

The IUPAC name of following hydrocarbon (X)(\mathrm{X}) is :

Question figure
  1. Option A:

    2-Ethyl-3,6-dimethylheptane

  2. Option B:

    2-Ethyl-2,6-diethylheptane

  3. Option C:

    2,5,6-Trimethyloctane

    Correct
  4. Option D:

    3,4,7-Trimethyloctane

Answer: C

Step-by-step solution

The longest carbon chain consists of 88 carbons ⇒\Rightarrow octane.

Three methyl substituents are located at carbons 2,5,2, 5, and 66.

Therefore, the correct IUPAC name is 2,5,6-Trimethyloctane\mathrm{2,5,6\text{-}Trimethyloctane}.

figure

                                2,5,6-Trimethyloctane

Answer key and solution verified before publishing.

Practise IUPAC Nomenclature

Start with this question, then two more from the same chapter — with a tutor that explains every step. Free.

Exam
JEE Main 2024
Subject
Chemistry
Chapter
IUPAC Nomenclature
Topic
Basics of IUPAC naming + Naming Hydrocarbons
The IUPAC name of following hydrocarbon ( X ) is : | JEE Main 2024 PYQ with Solution · DhiX AI