Which of the following reactions will yield phenol?
(a)
(b)
(c)
(d)
Haloarenes are less reactive towards nucleophilic substitution reaction. Therefore, it requires very high temperature and pressure. Chlorobenzene does not undergo hydrolysis on treatment with aq. NaOH at 298 K and 1 atm.
Therefore, correct options are (a), (b) and (c).