Chemical Reactions

When toluene reacts with chlorine in the presence of sunlight to give benzyl chloride.

Presence of electron withdrawing substitutent (like ) stabilises the phenoxide ion more by dispersal, of negative charge, thus increases the acidity of phenol. While electron releasing groups (like etc) destabilises the phenoxide ion by intensifying the negative charge and thus, decreases the acidity of phenol. Electron withdrawing power of nitro group is more than the chloro group. Hence, -nitro phenol is most acidic among the given.

The product formed is acetanilide.

Reactivity order in reaction will be

More bulky substrates are least reactive in reactions

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Therefore, order of reactivity is
$(1)

Aromatic amines are weaker bases than aliphatic amines and ammonia due to
delocalization of the lone pair of electrons over the benzene ring
Hence, the order is
Triphenylamine $