Write a balanced chemical equation for each of the following reactions:

a. Phenol + sodium hydroxide
b. Product of part (a) + ethyl bromide
c. Product of part (a) + butyl p-toluenesulfonate
d. Product of part (a) + acetic anhydride
e. o-Cresol + benzoyl chloride
f. m-Cresol + ethylene oxide
g. 2,6-Dichlorophenol + bromine
h. p-Cresol + excess aqueous bromine
i. Isopropyl phenyl ether + excess hydrogen bromide + heat