The situation in which reaction parameters that characterize different bond forming or bond breaking processes in the same reaction have developed to different extents as the @T06468@ is approached along some arbitrarily defined @R05168@. For example, in the nitroalkane anomaly, the Brønsted \(\beta \) exponent for @P04906@ removal is smaller than the Brønsted \(\alpha \) for the nitroalkane, because of imbalance between the amount of bond breaking and @R05326@ @D01583@ in the @T06468@. Imbalance is common in reactions such as @E02038@, addition and other complex reactions that involve @P04906@ (@H02904@) transfer.