I Classification of Rearrangement Reactions Molecular rearrangements: it refers those reactions in which the carbon skeleton or the position of functional group changed. H3PO4 CH3 CH2 CH=CH2 CH3CH=CHCH3 H CH3-C-CH20H r* CH3C=CHCH3 CH HO 3 CH3I Classification of Rearrangement Reactions Molecular Rearrangements:it refers those reactions in which the carbon skeleton or the position of functional group changed. CH3 CH2 CH=CH2 H3 PO4 CH3 CH=CHCH3 CH3 C CH3 CH3 CH2 OH H + H2 O CH3 C=CHCH3 CH3