Question

IUPAC name of following hydrocarbon (X) is :

• A. 2-Ethyl-3,6-dimethylheptane
• B. 2-Ethyl-2,6-diethylheptane
• C. 2,5,6-Trimethyloctane
• D. 3,4,7-Trimethyloctane

Answer 1

Answer: (C)

2,5,6-Trimethyloctane

Answer 2

To determine the IUPAC name:
1. Identify the longest continuous carbon chain, which has 8 carbons (octane).
2. Number the carbon chain to give the substituents the lowest possible locants: - Methyl groups are at positions 2, 5, and 6.
3. Arrange the substituents in alphabetical order and include their positions.
The compound is named : 2,5,6-Trimethyloctane