The electrochemical reduction of isonicotinic acid NRCOOH and its protonated from H+NRCOOH has been examined in an aqueous medium between Hc, = 0 and pH 6.7. As shown by cyclic voltammetry and polarography, a global 2e-, 2H+ reversible transfer is followed by two successive first-order chemical reac
Electrochemical reduction of chloro-bis(dionato) iron (III) complexes in non-aqueous medium
β Scribed by M. Lamrani; G. Mousset
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 379 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0013-4686
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β¦ Synopsis
The electrochemical behaviour of tris /I-(dionato) iron (III) complexes (FeL,) was studied in an aprotic medium (DMF), in the presence of chloride ions. Additions of perchloric acid can promote a ligand exchange with formation of mixed chloro-complexes. The latter are unstable in a polar solvent such as DMF. The cyclic voltammograms show that FeCl; and the tris jI-(dionato) iron (III) complexes are formed by disproportionation of FeL,Cl.
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