Question

Analyse the given compound below

How many carbon atoms are there in the longest chain?

• A. 4
• B. 6
• C. 3
• D. 5

Answer 1

The correct option is B

6

Let us begin by numbering the longest chain. According to the IUPAC rules of nomenclature the longest chain should be considered as the main chain. No matter which outer carbon we start with, the longest chain is 8 carbons long.