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An organic compound containing a carbonyl group CO bonded to two hydrocarbon groups, made by oxidizing secondary alcohols. The simplest such compound is acetone.
- ‘Low molecular weight aldehydes and ketones are soluble in water because the carbonyl oxygen atom allows the molecules to form strong hydrogen bonds with the molecules of water.’
- ‘In this reaction, an ester joins with another ester, a ketone, or a nitrile.’
- ‘Aliphatic and aromatic hydrocarbons, ketones, ethers, glycols and higher alcohols are not corrosive to magnesium and its alloys.’
- ‘Secondary alcohols can be readily recovered from ketones by breaking the double bond between the oxygen and carbon and adding hydrogen.’
- ‘Over time, however, it oxidizes and chemically degrades to form alcohols, ketones, aldehydes, acids and esters.’
Mid 19th century: from German Keton, alteration of Aketon acetone.
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