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  4. The nitrosation of N, N- dimethylaniline takes place through the attack of electrophile

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Q. The nitrosation of $N, N-$ dimethylaniline takes place through the attack of electrophile

KEAMKEAM 2018Amines

Solution:

On attacking at $N - N -$ dimethyl aniline by $\overset{+}{N}O _{2}$, electrophilic nitration takes place and the process is called

Nitrosation. Here $\overset{+}{N}O _{2}$ act as an attacking electrophilic agent. It is produced as follows:

$HNO _{3}+2 H _{2} SO _{4} \longrightarrow \overset{+}{N}O _{2}+2 HSO _{4}^{-}+ H _{2} O$