Which of the following isj the correct IUPAC name? | CGP Edu

Chemistry Purification, Classification and Nomenclature of Organic Compounds Classification and Nomenclature of Organic Compounds Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 12, 2026

Which of the following isj the correct IUPAC name?

A

3 – Ethyl , – 4, 4 – dimethylheptane

B

4,4 – Dimethyl – 3 – ethylheptane

C

5 – Ethyl, – 4, 4 – dimethylheptane

D

4,4 – bis (methyl) – 3 – ethylheptane

Text Solution

Verified by Experts

The correct answer is:

While writing the name of the substituents in alphabetical order, the prefixes such as di, tri, tetra, penta, hexa etc, are not considered. As ‘e’ of ethyl comes before, ‘m’ of dimethyl thus, lower locant 3 is assigned to ethyl group and is written first.

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