Simultaneous Introduction of Redox and Coordination Chemistry Concepts in a Single Laboratory Experiment

Simultaneous Introduction of Redox and Coordination Chemistry Concepts in a Single Laboratory Experiment
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在单个实验室实验中同时引入氧化还原和配位化学概念

DOI:
10.1021/acs.jchemed.6b00256
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发表时间:
2016
影响因子:
3
通讯作者:
Holmes, Stephen M.
Holmes, Stephen M.
中科院分区:
化学2区
文献类型:
--
作者:
Ferko, Philip J.;Withers, Jeffrey R.;Nguyen, Hung;Ema, Joshua;Ema, Tim;Allison, Charles;Dornhoefer, Christian;Rath, Nigam P.;Holmes, Stephen M.

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The preparation of two crystalline binary transition metalp-toluenesulfonate salts of [MII(OH2)6][OTs]2stoichiometry, where MII= Co (1) and Ni (2), is described. Their syntheses are accomplished via an oxidation–reduction reaction using metal powders and aqueousp-toluenesulfonic acid hydrate as the reducing and oxidizing reagents, respectively. Over the span of one 4 h session, students learn concepts that include reaction stoichiometry, relative rates, complexation, crystal growth and isolation, and fractional crystallization methods. A second session allows for the origins of color and spectroscopy (UV–vis and infrared) to be investigated by more advanced students. Suitably equipped laboratories may also pursue independent student projects involving additional microscopy, X-ray solution and refinement, and magnetic susceptibility exercises.
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