MCQ
Aniline on treatment with conc. $HN{O_3} + $ conc. ${H_2}S{O_4}$ mixture yields
- A$o- $and $p-$nitroanilines
- B$m-$nitroanilines
- ✓A black tarry matter
- DNo reaction

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$N_2H_4 + IO_3^-+ 2H^+ + Cl^- \rightarrow ICl + N_2 + 3H_2O$
The equivalent masses of $N_2H_4$ and $KIO_3$ respectively are :-
Which of the following statements is true ?