Research Article
Kinetics and Mechanism of Oxidation of L-Ascorbic Acid by Pt(IV)(aq) in Aqueous Hydrochloric Acid Medium
Table 1
Pseudo-first order rate constant (
) data at different temperatures.
| [H+]
(mol dm−3) | [H2ASc] (mol dm−3) | 103 (pseudo-first order rate constant) (s−1) | | 293 K | 298 K | 303 K | 308 K |
| | | 0.05 | 1.215 | 2.000 | 4.000 | 5.700 | | | 0.10 | 1.831 | 3.000 | 7.000 | 9.000 | | 0.14 | 0.15 | 2.303 | 4.000 | 9.800 | 13.400 | | | 0.20 | 2.817 | 5.000 | 12.500 | 17.500 | | | 0.25 | 3.111 | 6.000 | 15.500 | 24.000 | | | 0.30 | 3.560 | 7.000 | 18.000 | 29.000 |
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