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How does huckel rule jhelp to decide the aromatic character of a compound |
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Answer» SOLUTION :A COMPOUNDIS saidto bearomaticif itobeysthe followingrules (i)Themolecule mustbe cyclic (ii)the moleculemust l be co-planar. (iii)Completedelocalisationof `pi-` electronicin the ring (iv)Presence of `(4n+ 2)pi`electrons in the ringn is aninteger`(n= 0,1,2)` THISIS knownas Hucketrule (i)It iscyclicone(ii)it isa co- planarmolecular (ii)it hassixdelocalised`pi`electrons `(iv)4n+ 2=6` `4n= 4` `rArrn=` It obeyHucketrulewith `n=1` hencebenzeneis aromaticin nature |
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