Question

Which of the foll groups is ortho para dire ting but deactivates benzene ring for electrophilic substitution?

Answer 1

Answer:

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Inductive effect of alkyl groups activates the direction of the ortho or para substitution, which is when s electrons gets pushed toward the ring. The deactivating groups deactivate the ring by the inductive effect in the presence of an electronegative atom that withdraws the electrons away from the ring.

As seen above, the molecule has partial positive charge on ortho and para- positions. So, with respect to the benzene molecule, the benzene ring has lesser electron density as a whole. Hence nitrobenzene is deactivated towards electrophilic attack.

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Answer 2

Answer:

⌬ it's the structure of benzene ring

Explanation:

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