-
A.
2-methylpentan-2-ol
-
B.
2-methylpentan-1-ol
-
C.
pentan-3-ol
-
D.
pentan-2-ol
Correct Answer: Option A
Explanation
A tertiary alcohol (or alkanol) is one in which the hydroxyl (-OH) group is attached to a carbon atom that is directly bonded to three other carbon atoms.
In the case of 2-methylpentan-2-ol:
The parent chain is pentane (5 carbons), the hydroxyl group is on carbon-2, a methyl branch is also on carbon-2.
- Consequently, the second carbon atom is bonded to:
- Carbon-1 (from the main chain)
- Carbon-3 (from the main chain)
- The carbon of the methyl group. However, because this central carbon is bonded to three other carbons, it is a tertiary carbon, making the molecule a tertiary alcohol.
Report an Error
Ask A Question
Download App
Quick Questions
Contributions ({{ comment_count }})
Please wait...
Modal title
Report
Block User
{{ feedback_modal_data.title }}