For example, while we may be able to justify the formation of the first product in the following reaction, can we draw arrows to produce the other two? Rearrangements occur when the formation of a car...For example, while we may be able to justify the formation of the first product in the following reaction, can we draw arrows to produce the other two? Rearrangements occur when the formation of a carbocation results in a reorganization of the σ-framework to generate a more stable carbocation. The driving force for this reaction is the formation of a C=O bond (the carbocation resulting from the rearrangement is resonance-stabilized).