NEET2026ChemistryChapterActual
Identify the IUPAC name of the major product Y formed in the following reaction sequence.
Options
- A2-Bromo-4-methoxybenzonitrile
- B3-Bromo-4-methoxybenzonitrile
- C2-Bromo-1-methoxy-4-nitrobenzene
- D3-Bromo-4-methoxyaniline
Correct answer
B. 3-Bromo-4-methoxybenzonitrile
Step-by-step solution
The starting material is 1-methoxy-4-nitrobenzene. In the first reaction, treatment with Br₂ / FeBr₃ results in electrophilic aromatic bromination. The -OCH₃ group is strongly activating and ortho/para directing, whereas the -NO₂ group is deactivating and meta directing. Both groups synergistically direct the incoming electrophile ( Br^+ ) to the position ortho to the -OCH₃ group. The product formed is 2-bromo-1-methoxy-4-nitrobenzene. Next, reaction with Fe / HCl reduces the nitro ( -NO₂ ) group to an amino ( -NH₂