✍ Scribed by M.L. Avramov-Ivić; N.A. Anastasijević; R.R. Adžić
No coin nor oath required. For personal study only.
The oxidation of formaldehyde on gold has been studied by a rotating disc-ring method. Hydrogen evolved on the disc was possible to detect on the Pt ring electrode. The reaction scheme was proposed, and expressions for the disc and the ring current were evaluated. Experimental results fit well diagnostic criteria for a series scheme of the oxidation of formaldehyde. The partial currents associated with the oxidation of formaldehyde to formate and hydrogen to water have been calculated.
The results illustrate the possibility of using the disc-ring method in elucidation of the mechanism of oxidation of small organic molecules when a proper selection of the ring electrode and its potential is made.
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The effects of thiourea on the mechanism of the Cu/Ct?+ system were studied using Pt/Pt and Cu/Pt rotating ring disc electrodes in a 0.7 M CuS04-1.8 M H,SO, solution. Thiourea at low concentrations inhibits the reduction of the intermediate Cu+ to Cu on a copper surface. Thus more Cu+ escapes from t
The
A detailed study of the type and extent of electronic reorganization created by macroscopic solvation of a prototypical carbonyl solute is carried out within the framework of the semiempirical multiconfiguration self-consistent reaction-field model. The solvation causes additional polarization of th