+The **carbonyl group** (C=O) is a vital [functional group](/wiki/functional_group) in organic chemistry, born from a carbon atom double-bonded to an oxygen. This simple, potent bond forms the heart of countless molecules, from [Aldehydes](/wiki/aldehydes) to essential biological compounds, profoundly shaping their reactivity.
+## See also
+- [Ketone](/wiki/ketone)
+- [Carboxylic Acid](/wiki/carboxylic_acid)
+- [Ester](/wiki/ester)
... 1 more lines