Question

17 multiple choice 2 points name the alkane shown: 5 - methyl - 2,2 - diethyloctane 5 - ethyl - 2,2 - methylhexane 5 - ethyl - 2,2 - dimethyloctane 5 - pentyl - 1,4 - dimethylpentane

Explanation:

Step1: Identify longest carbon - chain

The longest continuous carbon - chain has 8 carbon atoms, so the parent alkane is octane.

Step2: Locate and name substituents

There is an ethyl group at the 5 - th carbon atom and two methyl groups at the 2 - nd carbon atom.

Step3: Write the name

The name is 5 - ethyl - 2,2 - dimethyloctane.

Answer:

C. 5 - ethyl - 2,2 - dimethyloctane