1.

Which pairs are not required for a nucleophilic aromatic substitution reaction ?A. An `-NO_(2)` substituent and a strong electrophile.B. A ring bearing a strong activating group and a strong acid.C. A aryl halide with an- `NO_(2)` and a strong nucelophileD. An unsubstituted benzene ring and a strong eletrophile.

Answer» Correct Answer - A::B::C


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