Functional Groups
The functional group present in acetone (CH₃–CO–CH₃) is:
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About This Question
- Subject
- chemistry
- Chapter
- some basic principles of organic chemistry
- Topic
- functional groups
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
Ketone(C=Obetweentwocarbons)
Acetone (propan-2-one) has the structure CH₃–C(=O)–CH₃, where the carbonyl group (C=O) is flanked by two carbon groups (both methyl groups). This is the defining feature of a ketone: a carbonyl carbon bonded to two carbon substituents. In contrast, an aldehyde has at least one hydrogen on the carbonyl carbon (–CHO). A carboxyl group has –OH bonded to the carbonyl carbon (–COOH). An ester has the linkage –O–C(=O)–. Therefore, acetone contains a ketone functional group.
This easy difficulty chemistry question is from the chapter some basic principles of organic chemistry, covering the topic of functional groups. It appeared in the 2025 exam.
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