Hydroxyl
Noun
A hydroxyl group is a chemical group consisting of one oxygen atom connected to one hydrogen atom (–OH).
The hydroxyl group is integral to the structure of alcohol.

Often appears as...
- hydroxyl ions
- hydroxyl radicals
Usage tips
Neutral
functional group, organic chemistry, alcohol
Noun
In biology, hydroxyl groups are important for the function of macromolecules such as carbohydrates and proteins.
Hydroxyl groups contribute to the solubility of sugars in water.

Often appears as...
- hydroxylated molecules
- hydroxyl in sugars
Usage tips
Neutral
biochemistry, macromolecules, solubility
Noun
A hydroxyl group is a chemical group consisting of one oxygen atom connected to one hydrogen atom (–OH).
The hydroxyl group is integral to the structure of alcohol.

Often appears as...
- hydroxyl ions
- hydroxyl radicals
Usage tips
Neutral
functional group, organic chemistry, alcohol
Noun
In biology, hydroxyl groups are important for the function of macromolecules such as carbohydrates and proteins.
Hydroxyl groups contribute to the solubility of sugars in water.

Often appears as...
- hydroxylated molecules
- hydroxyl in sugars
Usage tips
Neutral
biochemistry, macromolecules, solubility
Definition 1 of 2

Functional Group
A hydroxyl group is essential for understanding organic chemistry.
The presence of a hydroxyl group in a molecule defines its properties.
Common Compounds
Many substances contain hydroxyl groups.
Water is the simplest compound with a hydroxyl group.
Chemical Behavior
Hydroxyl groups influence how substances react chemically.
They can make organic compounds soluble in water.
Functional Group
A hydroxyl group is essential for understanding organic chemistry.
The presence of a hydroxyl group in a molecule defines its properties.
Common Compounds
Many substances contain hydroxyl groups.
Water is the simplest compound with a hydroxyl group.
Chemical Behavior
Hydroxyl groups influence how substances react chemically.
They can make organic compounds soluble in water.
Functional Group
A hydroxyl group is essential for understanding organic chemistry.
The presence of a hydroxyl group in a molecule defines its properties.
Common Compounds
Many substances contain hydroxyl groups.
Water is the simplest compound with a hydroxyl group.
Chemical Behavior
Hydroxyl groups influence how substances react chemically.
They can make organic compounds soluble in water.
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