How can you prepare phenylacetic acid from benzene?
(a) By reacting benzene with carbon dioxide in the presence of a catalyst.
(b) By treating benzene with bromine followed by hydrolysis of the resulting bromobenzene.
(c) By reacting benzene with chloroacetic acid in the presence of a Lewis acid catalyst.
(d) By treating benzene with acetic anhydride and a Lewis acid catalyst.