KINETICS OF THE MERCURY(II) CATALYZED AQUATION OF THE AZIDOPENTAAMMINECOBALT(III) ION

被引：4

作者：

BUTKOVIC, V ^{[1
]}

ORHANOVIC, M ^{[1
]}

STIVIN, A ^{[1
]}

机构：

[1] RUDJER BOSKOVIC INST,YU-41001 ZAGREB,YUGOSLAVIA

来源：

INORGANICA CHIMICA ACTA | 1979年 / 35卷 / 02期

关键词：

D O I：

10.1016/S0020-1693(00)93441-8

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The kinetics of the mercury(II) catalyzed aquation of Co(NH3)5N2+ to Co(NH3)5OH+ were studied in the temperature range of 60-80 °C and μ = 1.0 M (H+, Na+, ClO-. The isothermal rate is governed by Rate = kK[Hg2+][Co(III))]/(1 + K[Hg2+]), which reveals formation of the intermediate Co(NH3)5N3Hg4+ complex. The stability constant of the binuclear complex K = 7.3 M-1 at 25°C is calculated from the corresponding †So = -15.5 ± 7.2 cal mol-1 K-1 and †Ho = -5.8 ± 2.5 kcal mol-1 values. The rate constant k = 1 x 10-5 at 25°C for the aquation of the binuclear complex is calculated from the activation entropy †S≠ = 27.2 ± 2.1 kcal mol-1. A comparison with the kinetic and mechanistic behavior of similar complexes is made. © 1979.

引用

页码：215 / 219

页数：5

共 17 条

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