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Gold(I,III) chloride
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<p>Gold(I,III) chloride is the <a href="/facts/Inorganic_compound/TfFfzxSz">inorganic compound</a> with the chemical formula <a href="/facts/Gold/1znknojp">Au</a>4<a href="/facts/Chlorine/y27UwYBM">Cl</a>8. It is a <a href="/facts/Inner_sphere_electron_transfer/s2Q3LjWs">mixed valence compound</a> as it contains gold in two <a href="/facts/Oxidation_states/W53W6s6V">oxidation states</a>; square-planar gold(III) and almost linear gold(I). The compound, which is black, is <a href="/facts/Photosensitive/dohEzKCm">photosensitive</a> as well as air- and moisture-sensitive. </p>