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Effect of Acetonitrile–water Mixtures on the Reaction of Dinitrochlorobenzene and Dinitrochlorobenzotrifluoride with Hydroxide Ion by N. M. El‐Mallah; S. A. Senior; G. M. Nabil; M. Sh. Ramadan; E. A. Hamed is a Chemistry article available to read on EtoBox.

What is Effect of Acetonitrile–water Mixtures on the Reaction of Dinitrochlorobenzene and Dinitrochlorobenzotrifluoride with Hydroxide Ion about?

## Abstract The kinetics of alkaline hydrolysis of 2‐chloro‐3,5‐dinitrobenzotrifluoride **1** and 1‐chloro‐2,4‐dinitrobenzene **2** were studied in various acetonitrile–water (AN–H~2~O) mixtures (10–90% w/w) at different temperatures. Thermodynamic parameters Δ__H__^#^ and Δ__S__^#^ show great variation, whereas Δ__G__^#^ appears to vary little with the solvent composition presumably due to compensating variations. The results are discussed in terms of the solvent parameters such as preferential solvation, dielectric constant, polarity/polarizability, and hydrogen bond donor and acceptor parameters. It has been found that the factors controlling the reaction rates are the desolvation of OH^−^, the solvophobicity of the medium, and free water molecules in rich AN mixed solvent. The data showed that the solvatochromic parameters of (AN–H~2~O) mixed solvent are destroyed in the presence of excess OH^−^. © 2010 Wiley Periodicals, Inc. Int J Chem Kinet 42: 453–463, 2010

Who reads Effect of Acetonitrile–water Mixtures on the Reaction of Dinitrochlorobenzene and Dinitrochlorobenzotrifluoride with Hydroxide Ion?

Author

N. M. El‐Mallah; S. A. Senior; G. M. Nabil; M. Sh. Ramadan; E. A. Hamed

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0538-8066)

Published

2010

Language

EN

Field

Chemistry (Physical Sciences)