Question

Nitro group in nitrobenzene is a

• A. Ortho director
• B. Meta director
• C. Para director
• D. Ortho and para director

Answer 1

Answer: (B)

Meta director

Answer 2

Presence of $- NO_{2}$ group decreases electron density at o- and p- positions. Hence, incoming electrophile goes to m position. Therefore it is m-directing group.