The reaction first forms a diazo compound and then disintegrates to 1-butene.
The π cloud shifts to make cis and trans 2 butene.
But the rearrangement of methyl groups never takes place.
So Iso butene is never formed.
Answer A[299][132]
The reaction first forms a diazo compound and then disintegrates to 1-butene.
The π cloud shifts to make cis and trans 2 butene.
But the rearrangement of methyl groups never takes place.
So Iso butene is never formed.
Answer A[299][132]