identity reaction

Synonym: degenerate chemical reaction
https://doi.org/10.1351/goldbook.I02940
A chemical reaction whose products are chemically identical with the reactants, for example the @M03989@ self exchange reaction of CH3I with I.
See also:
degenerate rearrangement
Source:
PAC, 1994, 66, 1077. (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1124 [Terms] [Paper]