Please write the reaction equations for:
a) Reaction of 2-methyl benzoic acid with dilute sodium hydroxide
b) Reaction of 4-chloroaniline with dilute hydrochloric acid
c) Reaction of the salt of 2-methyl benzoic acid with strong acid
d) Reaction of the salt of 4-chloroaniline with strong base
The expert examines reaction equations for different equations.