element effect

https://doi.org/10.1351/goldbook.E02036
The ratio of the rate constants of two reactions that differ only in the identity of the element of the atom in the @L03493@, e.g. \(\frac{k_{\text{Br}}}{k_{\text{Cl}}}\). As for @I03327@, a ratio of unity is regarded as a 'null effect'.
Source:
PAC, 1994, 66, 1077. (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1111 [Terms] [Paper]
Citation: 'element effect' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.E02036 RIS BibTex EndNote
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Last revised: February 24, 2014