MCQ
Aniline and methyl amine can be differentiated by
- AReaction with chloroform and aqueous solution of $KOH$
- ✓Diazotisation followed by coupling with phenol
- CReaction with $HN{O_2}$
- DNone of these
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$ArN _{2} Cl \overset{Cu / HCl}{\rightarrow} ArCl + N _{2}$ is known as
(Atomic No. $Y = 39$, $La = 57$, $Eu = 63$, $Lu = 71$)