tungsten is a 5d transition element, so due to lanthanoid contraction it should not have a stable high oxidation state. but it is not so, why?

Asked by kanwal sandhu | 21st Jan, 2012, 08:07: PM

Expert Answer:

Electron configuration of Tunsten: [Xe] 4f14 5d4 6s2 
After removal of the outermost 6 electrons, it forms W(VI) compounds, by attaining a fulfilled f-orbital with 14 electrons in it.

Answered by  | 22nd Jan, 2012, 07:58: PM

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