Wize University Organic Chemistry Textbook > Aldehydes and Ketones (Addition to Carbonyls/Reactivity of Enolates)
Nomenclature and Physical Properties
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Nomenclature and Physical Properties
An aldehyde and a ketone are shown below. The aldehyde is different from a ketone based on the hydrogen (H) shown in red.
- Aldehydes have the suffix -al
- Ketones have the suffix -one
- Both experience weak dipole-dipole interactions
- Both are mildly acidic at the alpha-carbon (pKa ~ 20)
Example: The acidic hydrogen atom on the alpha carbon is highlighted in blue for an aldehyde and a ketone.
