REDUCTION OF DODECATUNGSTOCOBALTATE(III) BY AQUEOUS-SOLUTIONS OF HYDRAZINIUM ION

被引：9

作者：

AYOKO, GA

机构：

[1] Department of Chemistry, Ahmadu Bello University, Zaria

来源：

INORGANICA CHIMICA ACTA | 1990年 / 170卷 / 01期

关键词：

D O I：

10.1016/S0020-1693(00)80413-2

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The kinetics of the reduction of dodecatungstocobaltate (III) anion by hydrazinium ion has been studied in aqueous hydrochloric acid. The data are consistent with the rate law {A figure is presented} with k2 = (1.80 ± 0.05) X 10-2 mol-1 dm3 S-1, ΔH ‡ = 46.7 ± 0.8 kJ molp-1, and ΔS ‡ = -121 ±5 J K-1 mol-1 at I = 2.0 mol dm-3 (NaCl), [H+] = 0.1- 1.5 mol dm-3 and T = 24.5 °C. Added copper(II) ions catalysed the rate and the reduction is interpreted in terms of the outer-sphere mechanism. © 1990.

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页码：89 / 93

页数：5

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