The correct IUPAC substitutive name for is:
A)4-Penten-2-methyl-2-ol
B)4-Methyl-1-penten-2-ol
C)2-Methyl-4-penten-2-ol
D)4-Methyl-1-penten-4-ol
E)4-Hydroxy-4-methyl-1-pentene

Question

The correct IUPAC substitutive name for  is:
A)4-Penten-2-methyl-2-ol 
B)4-Methyl-1-penten-2-ol 
C)2-Methyl-4-penten-2-ol 
D)4-Methyl-1-penten-4-ol 
E)4-Hydroxy-4-methyl-1-pentene

Quizplus · Accepted Answer

The longest chain in the molecule contains five carbons, so the root name is pentene. The double bond is at position 4 (since it is the first carbon on the left side of the chain), and the hydroxyl group is at position 2 (since it is the second carbon on the right side of the chain). The methyl group is at position 2 as well, so the complete name is 2-methyl-4-penten-2-ol.

The Correct IUPAC Substitutive Name for Is