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Short note on aromaticity
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Aromaticity is an important concept in chemistry, referring to the special stability and peculiar properties of certain cyclic compounds, called aromatic compounds. Aromaticity is associated with the presence of conjugated double bonds in a ring, forming a closed loop of overlapping p-orbitals, known as an aromatic ring. Hünckel's rule, the 4n+2 rule, provides valuable insight into aromaticity by stating that for a monocyclic compound to be aromatic, the number of π electrons in the ring must be 4n+2, where n is an integer (0, 1, 2, etc.). Aromaticity is characterized by properties like increased stability (resonance stabilization energy), enhanced reactivity, and unique spectral features, such as the characteristic UV-Vis absorption band.
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