What are the necessary conditions for any system to be an aromatic?
What are the necessary conditions for any system to be an aromatic?
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The molecule should contain cyclic cloud of delocalized electrons above and below the plane of the molecule.
For the delocalization of pi electrons the ring must be planer to allow cyclic overlap of p-orbitals.
It should contain (4n+2) π electrons where n = 0, 1, 2, 3… This is known as Huckel rule.
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