Pyrene is polycyclic aromatic hydrocarbon (PAH) consisting of four fused benzene ring which resulsin a large, flat aromatic system. It is the smallest peri-fused polycyclic aromatic hydrocarbon - one where the rings are fused through more than one face...
Pyrene is much more resonance stabilized than any of its five-membered-ring ..isomer
i think it wud not be possible 4 me to draw the resonance hybrids of pyrene here...
best of luck
Moderation Team
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