Carboxyl
Noun
A carboxyl group is a functional group comprising a carbon atom double-bonded to an oxygen atom and single-bonded to a hydroxyl group.
The carboxyl group is present in all amino acids.

Often appears as...
- carboxyl group
- carboxylic acid
Usage tips
Neutral
Technical
Noun
A functional group in organic chemistry that makes compounds acidic.
Acetic acid has a carboxyl group that gives it acidity.

Often appears as...
- acidic properties
- functional group
Usage tips
Neutral
Technical
Noun
A carboxyl group is a functional group comprising a carbon atom double-bonded to an oxygen atom and single-bonded to a hydroxyl group.
The carboxyl group is present in all amino acids.

Often appears as...
- carboxyl group
- carboxylic acid
Usage tips
Neutral
Technical
Noun
A functional group in organic chemistry that makes compounds acidic.
Acetic acid has a carboxyl group that gives it acidity.

Often appears as...
- acidic properties
- functional group
Usage tips
Neutral
Technical
Definition 1 of 2

Chemical Structure
Understanding the structure of a carboxyl group is crucial for organic chemistry.
The carboxyl group (−COOH) forms acids.
Role in Biochemistry
Carboxyl groups play vital roles in biological molecules.
They can participate in chemical reactions important in metabolism.
Common Confusions
Do not confuse carboxyl with carbonyl, which lacks the hydroxyl group.
Carboxyl includes −COOH while carbonyl is just C=O.
Chemical Structure
Understanding the structure of a carboxyl group is crucial for organic chemistry.
The carboxyl group (−COOH) forms acids.
Role in Biochemistry
Carboxyl groups play vital roles in biological molecules.
They can participate in chemical reactions important in metabolism.
Common Confusions
Do not confuse carboxyl with carbonyl, which lacks the hydroxyl group.
Carboxyl includes −COOH while carbonyl is just C=O.
Chemical Structure
Understanding the structure of a carboxyl group is crucial for organic chemistry.
The carboxyl group (−COOH) forms acids.
Role in Biochemistry
Carboxyl groups play vital roles in biological molecules.
They can participate in chemical reactions important in metabolism.
Common Confusions
Do not confuse carboxyl with carbonyl, which lacks the hydroxyl group.
Carboxyl includes −COOH while carbonyl is just C=O.
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