question_answer 1)

  In an electrophilic substitution reaction of nitrobenzene, the presence of nitro group.......... (a) deactivates the ring by inductive effect (b) activates the ring by inductive effect (c) decreases the charge density at ortho and para positions of the ring relative to meta position by resonance (d) increases the charge density at meta position relative to the ortho and para positions of the ring by resonance

Answer:

  (a, c) Nitro group is deactivating and meta directing.