Question

Anisole on heating with concerntrated hI gives

Answer 1

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Anisole on reaction with HI gains H+ and forms methyl phenyl oxonium ion.

Because of resonance, there's some partial double bond character between oxygen and carbon of benzene ring.

Thus, it's much easier for I- to attack O−CH3 bond than O-C6H5 bond.

Hence, anisole reacts with HI to give phenol and methyl iodide.

Answer 2

Answer:

Anisole on reaction with HI gains H+ and forms methylphenyl oxonium ion.

Because of resonance, there's some partial double bond character between oxygen and carbon of benzene ring.