Question

Tertiary butyl methyl ether on treatment with HI forms :

• A. isobutane and methyl iodide
• B. isobutanol and methanol
• C. tertiary butyl iodide and methanol
• D. tertiary butyl iodide and methyl iodide

Answer 1

The correct option is C tertiary butyl iodide and methanol

Tertiary butyl methyl ether on treatment with HI forms Tertiary butyl iodide and Methanol.

Since the tertiary carbocation forms which is stable so $S{N}^1$ mechanism followed. Iodine is attached to tertiary C atom and -OH group is attached to methyl group.