Acetyl bromide when reacts with excess of CH3MgI followed by treatment with saturated solution of NH4Cl it gives:
(1) Acetone
(2) Acetamide
(3) 2-methyl-2-propanol
(4) acetyl iodide
Acetyl bromide when reacts with excess of CH3MgI followed by treatment with saturated solution of NH4Cl it gives 2-methyl-2-propanol