About 398,000 results
Open links in new tab
  1. Ketone - Wikipedia

    An aldehyde differs from a ketone in that it has a hydrogen atom attached to its carbonyl group, making aldehydes easier to oxidize. Ketones do not have a hydrogen atom bonded to the …

  2. Ketones: What They Are, Function, Tests & Normal Levels

    Aug 8, 2023 · Ketones, or ketone bodies, are acids your body makes when it’s using fat instead of glucose for energy. Your body gets most of its energy from glucose, a sugar that mainly …

  3. Ketone | Definition, Properties, & Facts | Britannica

    Ketone, any of a class of organic compounds characterized by the presence of a carbonyl group in which the carbon atom is covalently bonded to an oxygen atom. The remaining two bonds …

  4. What are Ketones? Types, Benefits, and How to Test

    May 7, 2025 · What Are Ketones? Ketones, also known as “ketone bodies,” are energy molecules created by the liver from the breakdown of fats. Your body makes ketones when you don’t …

  5. Ketone Levels: How to Test and What It Means - Verywell Health

    Oct 10, 2025 · Your ketone levels can give you critical information about your body. Find out how to check your ketone levels and determine what the results mean.

  6. Ketone Functional Group: Definition, Structure, and Examples

    When the carbonyl group is attached to an aromatic ring, the compound is referred to as an aromatic ketone. If the carbonyl carbon is directly bonded to a benzene ring, it is called an aryl …

  7. Ketone Definition in Chemistry - ThoughtCo

    Jun 9, 2025 · A ketone is a compound containing a carbonyl functional group bridging two groups of atoms. The general formula for a ketone is RC (=O)R' where R and R' are alkyl or aryl groups.

  8. Ketones: Urine, Blood, and Breath Tests - Health

    Sep 28, 2025 · Ketones are chemicals made by your liver cells when your body breaks down fat for energy. Urine, blood, and breath tests can determine ketone levels.

  9. Ketones: Blood or Urine Tests and Treatments - Healthline

    May 3, 2022 · When it does this, it produces ketones, also known as ketone bodies. If you have high ketone levels, you’re at risk of developing diabetic ketoacidosis (DKA), which can be life …

  10. The Ketone Functional Group - ChemTalk

    In this tutorial, you will learn about the ketone functional group, how to name it, its properties, and its reactions. You will also learn about ketones compared to other similar functional groups.