What is the correct IUPAC name for the following compound?
A)1,1,2-Trimethyl-1,3-hexenone
B)1,2-Dimethyl-1,3-hexenone
C)2,3-Dimethyl-1,3-heptenone
D)2,3-Dimethyl-2-hepten-4-one
E)5,6-Dimethyl-5-hepten-4-one

Question

What is the correct IUPAC name for the following compound? 
A)1,1,2-Trimethyl-1,3-hexenone 
B)1,2-Dimethyl-1,3-hexenone 
C)2,3-Dimethyl-1,3-heptenone 
D)2,3-Dimethyl-2-hepten-4-one 
E)5,6-Dimethyl-5-hepten-4-one

Quizplus · Accepted Answer

The longest chain contains seven carbons and the ketone is located on the second carbon starting from the left, giving it the suffix -one. The two methyl groups are located on carbons two and three, and the double bond is between carbons two and three, giving the alkene the lowest number possible, making the name 2,3-dimethyl-2-hepten-4-one.

What Is the Correct IUPAC Name for the Following Compound