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Q.
Chloromethane on treatment with excess of ammonia yields mainly
Haloalkanes and Haloarenes
Solution:
$\underset{\text{Chloromethane}}{CH_3Cl} + \underset{\text{(excess)}}{NH_3}\rightarrow \underset{\text{Methanamine}}{CH_3NH_2} + HCl$
Primary amine is obtained as a major product by taking large excess of ammonia.