Abstract

Kamel  Bentayeb٭, Noureddine Tchouar and Adil A. Othman

DOI : http://dx.doi.org/10.13005/ojc/320230

Using UV-visible spectrophotometric data of (1:1), electron donor-acceptor complexes (AD₁, AD₂ and AD₃) have been investigated. The complexes concerned are n-butyl amine (D1) and cyclohexyl amine (D₂) and phenyl hydrazine (D₃) as electron donors with iron (III) ion as an electron acceptor (A) in methanol at 25°C. The values of formation constant (K^AD), molar extinction coefficient (ε^AD), and absorption band energy of complexes were estimated. The ionization potential of the donors I^D, were calculated from the complex band energies. The kinetics of the above association and reverse reactions were studied and some kinetic parameters have been estimated.

UV-Visible spectroscopy; charge transfer complex; Benesi-Hildebrand; Scott and Foster-Hammick-Wardley equations; formation constant; molar extinction coefficient

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