About this Chemistry article
Mechanism of aromatic alkylation—VI : Influence of the association of reactants on the reaction kinetics by Viorica Ioan; D. Săndulescu; S. Titeica; C.D. Nenitzescu is a Chemistry article available to read on EtoBox.
## Kinetic measurements in the alkylation of benzene with benzyl benzenesulphonate catalysed by benzenesulphonic acid were effected, by varying on a wide range the concentration ratio of ester and acid. The apparent rate constants, computed on the basis of the kinetic equation formerly deduced, decrease with the increase of the starting ester concentration. They were recalculated on the basis of a corrected equation in which the concentration of the acid unassociated with the ester (deduced from the acid-ester association equilibrium) took the place of the analytical concentration of benzenesulphonic acid. The real rate constant and the constant of the association equilibrium were calculated. The value of the latter constant thus found coincides with the association constant esteracid determined by ebulioscopy in a similar case.
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- Author
- Viorica Ioan; D. Săndulescu; S. Titeica; C.D. Nenitzescu
- Publisher
- Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0040-4020)
- Published
- 1963
- Language
- EN
- Field
- Chemistry (Physical Sciences)