Question

part b
(b) h₃c—ch—ch₂—ch₂—ch₃
h₂c—ch₃
2-ethylpentane
spell out the full name of the compound.
the correct name is
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Explanation:

Step1: Find the longest carbon chain

The longest carbon chain has 6 carbon atoms (not 5 as in the incorrect name 2 - ethylpentane).

Step2: Number the carbon chain

Number the 6 - carbon chain from the end that gives the substituents the lowest possible numbers. The methyl group is on the 3rd carbon atom.

Step3: Name the compound

The compound is a hexane (6 - carbon alkane) with a methyl substituent at the 3rd carbon.

Answer:

3 - methylhexane