Identify the incorrect statement

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'-NO₂' group at meta position will not cause any effect towards the reactivity of chlorobenzene towards nucleophilic substitution reactions

halogen atoms are ring activating and ortho and para directing when attached to benzene ring towards electrophilic substitution reactions.

chlorobenzene is less reactive towards ‘SN’ reactions

Electrophilic substitution reactions are slow in chlorobenzene than in benzene.

answer is C.

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Detailed Solution

Halogen attached to a benzene ring is somewhat deactivating due to it's -I-effect, as a result it tends to withdraw the electrons from the benzene ring, making electrophilic substitution, ortho/ para directors are positively charged so halogens, being ortho/ para directors, are positively charged.

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