1.In which of the following reactions is migration of an alkyl group from carbon to electron-deficient oxygen observed?Note: More than one option may be correct.a.Pinacol–pinacolone rearrangementb.Baeyer–Villiger oxidationc.Preparation of phenol from cumene hydroperoxided.Hoffmann bromamide reactionLogin to continueOnly logged in users canattempt or see the solution.