Kinetics and mechanism of oxidation of some diols by dihydroxydiperiodatoargentate(III) in alkaline medium

被引：5

作者：

Shan, JH ^{[1
]}

Li, SM ^{[1
]}

Huo, SY ^{[1
]}

Shen, SG ^{[1
]}

Sun, HW ^{[1
]}

机构：

[1] Hebei Univ, Coll Chem & Environm Sci, Key Lab Analyt Sci & Technol Hebei Prov, Baoding 071002, Hebei, Peoples R China

来源：

CHINESE JOURNAL OF CHEMISTRY | 2006年 / 24卷 / 04期

关键词：

dihydroxydiperiodatoargentate(III); ethylene glycol; 1,3-butylene glycol; kinetics and mechanism; rate constant;

D O I：

10.1002/cjoc.200690092

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The kinetics of oxidation of ethylene glycol and 1,3-butylene glycol by dihydroxydiperiodatoargentate(III) in alkaline medium have been studied by spectrophotometry in the range of 298.2-318.2 K. It is shown that the reaction was first order with respect to each reductant and Ag(III), and k(obs) increased with an increase of [OH-]. A plausible mechanism of reaction involving a pre-equilibrium of adduct formation between complex and reductants was proposed, which could be applied to explain all experimental phenomena, and the activation parameters of the rate-determining step have been also calculated.

引用

页码：478 / 480

页数：3

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