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| 1. |
The presence of nitro group (-NO_(2)) at o/p-positions increases the reactivity of haloarenes towards nucleophile substitution reactions. Give reasons. |
| Answer» Solution :The presence of `-NO_(2)` groups at o/p-position withdraws electrons from the benzene RING and thus FACILITATES the ATTACK off the nucleophile on the haloarenes. Further, the carbanion thus formed is stabilized by resonance. | |