Presence of a nitro group in a benzene ring
(a) deactivates the ring towards electrophilic substitution
(b) activates the ring towards electrophilic substitution
(c) renders the ring basic
(d) deactivates the ring towards nucleophilic substitution.
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Answer - (a)
-NO2 is an electron withdrawing group thus its presence in a benzene ring deactivates it towards "electrophilic substitution".
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Answer:
⌬ (d) deactivates the ring towards nucleophilic substitution.
Explanation:
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