MCQ
Nitrobenzene on further excessive nitration gives
- ATrinitrobenzene
- ✓$m-$dinitrobenzene
- C$p-$dinitrobenzene
- DAll of these

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${C_6}{H_5} - N{H_2}\xrightarrow[{HCl}]{{NaN{O_2}}}A\xrightarrow{{CuCN}}B\xrightarrow{{{H_2}/Ni}}C\xrightarrow{{HN{O_2}}}D$
product $(D)$ would be
Reason : $NF_3$ ionizes to give $F^-$ ions in aqueous solution.