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Q. Chlorobenzene can be prepared by reacting aniline with

J & K CETJ & K CET 2013Haloalkanes and Haloarenes

Solution:

$C _{6} H _{5} NH _{2} \cdot HCl + HNO _{2} \xrightarrow{^{0} C } \underset{\text { benten dizonium chloride }}{ C _{6} H _{5} N _{2} Cl }$
$\xrightarrow[or Cu + HCl warm]{CuCl} \underset{\text{chlorobenzene}}{C_{6} H_{5} Cl}+N_{2}$