Question

list each substituent on the main chain of this organic molecule on a separate row of the table below. your answer for the name column should be just one word. in the location column, write the number of the carbon where the substituent is attached to the main chain. you can add more rows to the table if you need them.

Explanation:

Step1: Identify main - chain

The longest carbon - chain has 7 carbons (heptane).

Step2: Identify substituents

There are two methyl groups. One is attached to the 3rd carbon and the other to the 4th carbon of the main - chain.

Answer:

name	location
methyl	4