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If in halobenzenes halogen does not resonate then how come they are ortho-para orienting
Hi sudarshan, Benzene shows maximum resonance than chloro benzene....... chloro benzene shows its resonance structures in such a way that its chlorine atom lone pairs involvement into the planarity is not so perfect.........so it is aromtic...... and it shows the ortho para effects due to a small extent of delocalisation.... we can consider the resonance energies and can compare them and say that choro benzene is having less resonance energy than benzene........
Hi sudarshan,
Benzene shows maximum resonance than chloro benzene....... chloro benzene shows its resonance structures in such a way that its chlorine atom lone pairs involvement into the planarity is not so perfect.........so it is aromtic...... and it shows the ortho para effects due to a small extent of delocalisation....
we can consider the resonance energies and can compare them and say that choro benzene is having less resonance energy than benzene........
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