unimolecular reaction

(redirected from monomolecular reaction)
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unimolecular reaction

[¦yü·nə·mə′lek·yə·lər rē′ak·shən]
(physical chemistry)
A chemical reaction involving only one molecular species as a reactant; for example, 2H2O → 2H2+ O2, as in the electrolytic dissociation of water.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
where k, A, [E.sub.A], R, and T are the rate constant, pre-exponential factor, activation energy, gas constant, and temperature, respectively, [k.sub.B], h, and [C.sub.TO] are the Boltzmann constant, Planck constant, and total concentration of reactive sites (which should be left out in the case of monomolecular reactions, i.e.