Hydroxyl group meaning

A hydroxyl group is a functional group containing an oxygen atom bonded to a hydrogen atom, commonly found in alcohols and carbohydrates.


Hydroxyl group definitions

Word backwards lyxordyh puorg
Part of speech Noun
Syllabic division hy-dro-xyl group
Plural The plural of the word "hydroxyl group" is "hydroxyl groups."
Total letters 13
Vogais (2) o,u
Consonants (8) h,y,d,r,x,l,g,p

The Hydroxyl Group: A Fundamental Component in Organic Chemistry

The hydroxyl group is a crucial functional group in organic chemistry, consisting of an oxygen atom with a hydrogen atom bonded to it. This grouping is commonly represented as -OH in chemical structures and plays a vital role in various biological processes and chemical reactions.

Chemical Properties and Reactivity

The hydroxyl group is known for its high reactivity due to the electronegativity of oxygen, making it a common site for chemical reactions. This reactivity allows for the formation of hydrogen bonds and the participation in processes such as dehydration and esterification.

Biological Significance

In biological systems, the hydroxyl group is found in various essential molecules, including alcohols, carbohydrates, and amino acids. Its presence in these molecules is crucial for their structure and function, such as in the binding of enzymes and substrates or in the formation of cell membranes.

Industrial Applications

The hydroxyl group is widely utilized in the production of solvents, pharmaceuticals, and polymers. Its reactivity and ability to form hydrogen bonds make it invaluable in the synthesis of various organic compounds, contributing to advancements in drug development and material science.

Overall, the hydroxyl group is a versatile and indispensable component in the field of organic chemistry, playing a vital role in biological processes, chemical reactions, and industrial applications. Its unique properties and reactivity make it a fundamental building block for a wide range of compounds, shaping the advancements in science and technology.


Hydroxyl group Examples

  1. The hydroxyl group in ethanol is responsible for its ability to dissolve in water.
  2. Many sugars like glucose and fructose contain a hydroxyl group.
  3. Phenols contain a hydroxyl group attached to an aromatic ring.
  4. Hydroxyl groups on amino acids can participate in hydrogen bonding.
  5. Polyols are compounds that contain multiple hydroxyl groups.
  6. Hydroxyl groups in fatty acids can affect their solubility in water.
  7. Alcohols are a class of compounds that contain a hydroxyl group.
  8. The hydroxyl group in organic acids like citric acid gives them acidic properties.
  9. Hydroxyl groups are common functional groups in organic chemistry.
  10. The reactivity of a compound can be affected by the presence of a hydroxyl group.


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  • Updated 12/05/2024 - 13:34:23