What is Hückel's rule?
[[Image:Benzol.svg|200px|thumb|right|[[Benzene]], the most widely recognized aromatic compound with six [[delocalize]]d [[π electron]]s (4''n''&nbsp;+&nbsp;2, for ''n''&nbsp;=&nbsp;1).]] In organic chemistry, '''Hückel's rule''' is a rule that help to determine if a [[molecule]] has the properties of an [[Aromatic hydrocarbon|aromatic]] compound. It is named after chemist Erich Hückel, who formulated it in 1931. A well known compound that fulfills the rule is [[Benzene]]. {{chem-stub}} [[Category:Organic chemistry]]