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what is the peculiarity of benzenes
Benzene is a ring of six carbon atoms with alternate double and single bonds .Benzene has a cyclic planar ,hexagonal structure .All carbon bond lengths are identical and are intermediate between normal C-C single bonds and C=C  double bonds .All hydrogens in benzene are equivalent .If a hydrogen is substituted by another atom or group ,it does not matter which hydrogen is replaced .Only one product is formed .In benzene,mono substitution leads to a single product and disubstitution  yields three isomers .All carbon atoms in benzene are sp2 hybridised .Typical reactions of benzene are substitution reactions.Addition reactions can be induced ,but special conditions are necessary .


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