Question

Action of hydrogen iodide on anisole gives _______and_______.

• A. phenol
• B. methyl iodide

Answer 1

• When hydrogen iodide reacts with anisole, it produces iodomethane and phenol.
• The reason for this because of methyl. The protonation of phenyl oxonium produces the phenyl oxonium ion.
• Because of resonance, there's some partial double bond character between oxygen and carbon of benzene ring.

Hence the action of hydrogen iodide on anisole or methoxy benzene gives phenol and iodomethane or methyl iodide.