In electrophilic aromatic substitution reactions a chlorine substituent
__________.
(a) is a deactivator and a m-director
(b) is a deactivator and an o,p-director
(c) is an activator and a m-director
(d) is an activator and an o,p-director
__________.
(a) is a deactivator and a m-director
(b) is a deactivator and an o,p-director
(c) is an activator and a m-director
(d) is an activator and an o,p-director