Question Detail

CHM 102 Practice Questions Objective Question

Question

What is the IUPAC name for the following structure? CH3CH(CH3)CH2CH(OH)CH3
Options
A 4-methyl-2-pentanol
Correct Answer
B 2-methyl-2-hexanol
C 2-methyl-4-pentanol
D 2-methyl-3-pentanol
Correct Answer

Option A is the correct answer.

Detailed Explanation

The structure CH3CH(CH3)CH2CH(OH)CH3 has a pentane parent chain with the OH at C2, and a methyl substituent at C4. Numbering from the end nearest the OH gives: 4-methyl-2-pentanol.

Hint

Number the chain from the end closest to the OH group.

Question Info