The Outstanding Feature of Molybdenum Is Its Chemical Versatility
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- Category: Molybdenum knowledge
- Published on 17 September 2014
- Written by jwy
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Molybdenum is a metallic element. It is sometimes described as a 'heavy metal' although its properties are very different from the properties of the typical heavy metals, mercury, thallium and lead. For example, it is much less toxic than these and other heavy metals.
1.oxidation states from (-II) to (VI);
2.coordination numbers from 4 to 8;
3.varied stereochemistry;
4.the ability to form compounds with most inorganic and organic ligands, with a particular preference for oxygen, sulfur, fluorine and chlorine donor atoms;
5.formation of bi- and polynuclear compounds containing bridging oxide or chloride ligands or molybdenum-molybdenum bonds.
It is this versatility which makes the chemistry of molybdenum challenging and exciting and the actual and potential applications of its compounds many and varied. Molybdenum is the first of the transition metals to have an extensive sulfur chemistry shown by
having as its principal ore molybdenum disulfide, MoS2;
1.its binding by sulfur ligands in molybdenum-containing enzymes;
2.application of MoS2 as an important industrial catalyst;
3.and formation of many sulfur complexes some of which are used as soluble lubricating oil additives.
Molybdenum-based technical chemicals exploit the versatility of molybdenum chemistry in oxidation states - (VI), (V) and (IV). Many of the properties of molybdenum provide development opportunities and new commercial applications through the exploitation of its chemistry.
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