Multiple choice

In which of the following compounds, gold exihibits its highest known oxidation state?

  1. Gold fluoride

  2. Gold bromide

  3. Gold(III) oxide

  4. Gold(I) sulfide

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A Correct answer
Explanation

Gold fluoride is the inorganic compound with the formula Au2F10. This fluoride compound features gold in its highest known oxidation state. This red solid dissolves in hydrogen fluoride but these solutions decompose, liberating fluorine.