chain branching

https://doi.org/10.1351/goldbook.C00948
When in a @C00960@ there is a net increase in the number of @C00949@ there is said to be chain branching. A simple example of a @C00959@ leading to chain branching is:
C00948.png
in which there is one @C00949@ (an oxygen atom) on the left and two chain carriers (a hydrogen atom and a hydroxyl radical) on the right.
See also:
degenerate chain branching
Source:
PAC, 1996, 68, 149. (A glossary of terms used in chemical kinetics, including reaction dynamics (IUPAC Recommendations 1996)) on page 156 [Terms] [Paper]
Cite as: IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). Online version (2019-) created by S. J. Chalk. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook.
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Last revised: February 24, 2014