$$ \text { Identify ' } \mathrm{A} \text { ' in the following reaction. } $$

$$ \mathrm{A}+\text { Acetyl chloride } \xrightarrow[\mathrm{AlCl}_3]{\text { anhydrous }} \text { 2-Chloroacetophenone + 4-Chloroacetophenone }$$

Which of the following reagents is used in the preparation of nitroalkane from haloalkane?

What is the order of reactivity of alkyl halides with ammonia?

$$ \text { Which among the following is haloarene? } $$