Electron Withdrawal (-M): The Nitrobenzene Effect

The video explains the minus M effect, where atoms or groups withdraw electrons, focusing on the Nitro group in nitrobenzene. The Nitro group, with a positive charge, is bonded to oxygen, affecting the benzene ring's electron density. This interaction leads to resonance, forming specific structures and reducing electron density at ortho and para positions, making nitrobenzene less reactive to electrophilic attacks compared to benzene.

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