Kinetics and mechanism of the electrochemical oxidation of the NO−<sub>2</sub> ion on platinum in AgNO<sub>2</sub>-acetonitrile solution
The anodic oxidation of NO−2 ion dissolved as AgNO2 in ACN, in the range − 12° to 68°C, is investigated using platinum electrodes. Single and multiple linear potential sweep and rotating disc electrode techniques are used. The electrochemical reaction is interpreted with the following sequence of re...
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| Autores principales: | , , |
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| Formato: | Articulo |
| Lenguaje: | Inglés |
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1974
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| Acceso en línea: | http://sedici.unlp.edu.ar/handle/10915/121709 |
| Aporte de: |
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I19-R120-10915-121709 |
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dspace |
| institution |
Universidad Nacional de La Plata |
| institution_str |
I-19 |
| repository_str |
R-120 |
| collection |
SEDICI (UNLP) |
| language |
Inglés |
| topic |
Ciencias Exactas Química Electrochemical oxidation NO−2 ion |
| spellingShingle |
Ciencias Exactas Química Electrochemical oxidation NO−2 ion Castellano, Carlos E. Calandra, Alfredo J. Arvia, Alejandro Jorge Kinetics and mechanism of the electrochemical oxidation of the NO−<sub>2</sub> ion on platinum in AgNO<sub>2</sub>-acetonitrile solution |
| topic_facet |
Ciencias Exactas Química Electrochemical oxidation NO−2 ion |
| description |
The anodic oxidation of NO−2 ion dissolved as AgNO2 in ACN, in the range − 12° to 68°C, is investigated using platinum electrodes. Single and multiple linear potential sweep and rotating disc electrode techniques are used. The electrochemical reaction is interpreted with the following sequence of reactions:
rds
(1) NO<sub>2</sub> = NO<sub>2</sub> + e
(2) [2 NO<sub>2</sub> ⇋ N<sub>2</sub>O<sub>4</sub>]
(3) NO<sub>2</sub> + NO<sub>2</sub> = NO + NO<sub>3</sub>
(4) NO = NO- + e
(5) NO+ + NO<sub>2</sub> = N<sub>2</sub>O<sub>3</sub>
(6) [N<sub>2</sub>O<sub>3</sub> ⇋ NO + NO<sub>2</sub>]
Step (1) behaves as an irreversible step which at high potentials is diffusion controlled, while step (4) corresponds to a reversible charge transfer step. The chemical reactions are fast processes. The postulated reaction mechanism for the anodic discharge of the NO−<sub>2</sub> ion implies the preferential reaction of the initial product with a NO−<sub>2</sub> ion instead of a solvent molecule as it occurred with solutions employing other aprotic solvents. |
| format |
Articulo Articulo |
| author |
Castellano, Carlos E. Calandra, Alfredo J. Arvia, Alejandro Jorge |
| author_facet |
Castellano, Carlos E. Calandra, Alfredo J. Arvia, Alejandro Jorge |
| author_sort |
Castellano, Carlos E. |
| title |
Kinetics and mechanism of the electrochemical oxidation of the NO−<sub>2</sub> ion on platinum in AgNO<sub>2</sub>-acetonitrile solution |
| title_short |
Kinetics and mechanism of the electrochemical oxidation of the NO−<sub>2</sub> ion on platinum in AgNO<sub>2</sub>-acetonitrile solution |
| title_full |
Kinetics and mechanism of the electrochemical oxidation of the NO−<sub>2</sub> ion on platinum in AgNO<sub>2</sub>-acetonitrile solution |
| title_fullStr |
Kinetics and mechanism of the electrochemical oxidation of the NO−<sub>2</sub> ion on platinum in AgNO<sub>2</sub>-acetonitrile solution |
| title_full_unstemmed |
Kinetics and mechanism of the electrochemical oxidation of the NO−<sub>2</sub> ion on platinum in AgNO<sub>2</sub>-acetonitrile solution |
| title_sort |
kinetics and mechanism of the electrochemical oxidation of the no−<sub>2</sub> ion on platinum in agno<sub>2</sub>-acetonitrile solution |
| publishDate |
1974 |
| url |
http://sedici.unlp.edu.ar/handle/10915/121709 |
| work_keys_str_mv |
AT castellanocarlose kineticsandmechanismoftheelectrochemicaloxidationofthenosub2subiononplatinuminagnosub2subacetonitrilesolution AT calandraalfredoj kineticsandmechanismoftheelectrochemicaloxidationofthenosub2subiononplatinuminagnosub2subacetonitrilesolution AT arviaalejandrojorge kineticsandmechanismoftheelectrochemicaloxidationofthenosub2subiononplatinuminagnosub2subacetonitrilesolution |
| bdutipo_str |
Repositorios |
| _version_ |
1764820448705511425 |