Hydroxyl Group - The School Of Biomedical Sciences Wiki

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A hydroxyl group (OH group) consists of an oxygen atom covalently bonded to a hydrogen atom. Due to the high electronegativity of the oxygen atom, the bond between the oxygen and the hydrogen is highly polar. Consequently, the hydroxyl group strongly attracts water molecules, forming hydrogen bonds. Hydroxyl groups are responsible for the solubility of some molecules such as sugars[1]. The term alcohol is used to describe molecules which have a hydroxyl group as their only functional group. Dissociation of hydroxyl groups does not usually occur under normal biological conditions.

References

  1. ↑ Mitch Fry, Elizabeth Page, (2005) Catch up Chemistry for Life and Medical Sciences, Page 93, Banbury: Scion Publishing Limited
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Tag » What Is The Hydroxyl Group