What is the IUPAC name for the following compound?
A) 4-hexanone
B) 3-hexanone
C) ethyl propyl ketone
D) propyl ethyl ketone

Question

What is the IUPAC name for the following compound? 
A) 4-hexanone 
B) 3-hexanone 
C) ethyl propyl ketone 
D) propyl ethyl ketone

Quizplus · Accepted Answer

The longest continuous chain in the molecule is 6 carbons, hence it is a hexanone. The ketone group is located on the third carbon, hence the name is 3-hexanone. Choice A is incorrect as it does not specify the location of the ketone group. Choices C and D are incorrect as they do not follow the alphabetical order of substituents (i.e. ethyl comes before propyl).

What Is the IUPAC Name for the Following Compound