Worlds of David Darling
Encyclopedia of Science
   
Home > Encyclopedia of Science

substitution reaction




A chemical reaction in which one atom or group of atoms replaces (usually in the same structural position) another atom or group in a molecule or ion. A simple example is the reaction in which the chlorine atom in chloromethane is displaced by the hydroxide ion to form methanol:
CH3Cl + -OH right arrow CH3OH + Cl-

Related categories

   • INORGANIC CHEMISTRY
   • ORGANIC CHEMISTRY