Question

What is the name of this compound?

2-butanone
2-pentanone
4-pentanone
4-butanone

Answer 1

I think 2-pentanone is the correct answer

Answer 2

2-pentanone

Step-by-step explanation:

The oxygen atom is attached to the 2nd carbon atom in the longest linear chain, thus the prefix 2. the longest continuous carbon chain has five carbon atoms giving it the prefix pent-. the chemical is a ketone thus the suffix none.