Question

the name of compound c is:

Explanation:

Step1: Identify the functional group

The compound has a ketone functional group ($\ce{C=O}$).

Step2: Analyze the substituents

There is a bromine ($\ce{Br}$) atom and methyl ($\ce{-CH3}$) groups.

Step3: Number the carbon chain

Number the carbon chain to give the ketone carbonyl carbon the lowest possible number.

Step4: Name the compound

Name the substituents (bromo and methyl) with their positions (2 - bromo - 2 - methyl) and then the parent ketone (propyl methyl ketone).

Answer:

2 - bromo - 2 - methyl propyl methyl ketone