Synthesis, Iodometric Analysis, and IR Spectroscopy of the Peroxide Double Salt [Zn(NH3)4][Mo(O2)4]

被引：4

作者：

Young, Charles G. ^{[1
]}

Volaric, Sioe See ^{[2
]}

机构：

[1] La Trobe Univ, La Trobe Inst Mol Sci, Sch Chem & Phys, Melbourne, Vic 3086, Australia

[2] Univ Melbourne, Sch Chem, Melbourne, Vic 3010, Australia

来源：

JOURNAL OF CHEMICAL EDUCATION | 2020年 / 97卷 / 04期

关键词：

Upper-Division Undergraduate; Laboratory Instruction; Hands-On Learning/Manipulatives; Synthesis; Transition Elements; Coordination Compounds; Titration/Volumetric Analysis; Quantitative Analysis; IR Spectroscopy;

D O I：

10.1021/acs.jchemed.9b01113

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

This paper describes an upper-division undergraduate exercise involving the synthesis and iodometric and infrared spectroscopic analysis of the peroxide double salt [Zn(NH3)(4)][Mo(O-2)(4)]. Here, iodometric methods are employed to determine the peroxide content of the compound, a procedure widely used for the industrial analysis of peroxides. The exercise increases student proficiency in synthesis, the handling of reactive chemicals, and titrimetry, while introducing aspects of metal peroxide chemistry and key chemical concepts related to high-coordination number complexes, kinetic versus thermodynamic stability, and group theoretical treatments of vibration spectroscopy.

引用

页码：1120 / 1122

页数：3

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