The Ullmann reaction is used for the preparation of .......

Which of the following has the highest reactivity towards nucleophilic substitution reaction involving the cleavage of the $C-Cl$ bond?

The major product formed in the Friedel-Crafts acylation of chlorobenzene is $p-$chloroacetophenone. Identify the correct structure of the major product.

What is the increasing order of nucleophilic substitution reaction for the following compounds?
$(I)$ $C_6H_5-CH_3$
$(II)$ $C_6H_6$
$(III)$ $C_6H_5-COOH$

The order of dipole moment for $o-, p-,$ and $m-$dichlorobenzene is............

Compare the rate of Electrophilic Substitution Reaction $(ESR)$ for the following compounds: