Mercury(I) fluoride
Mercury(I) fluoride, also known as mercurous fluoride, is a chemical compound. Its chemical formula is Hg2F2. It has mercury and fluoride ions in it. The mercury is in its +1 oxidation state.
Properties[change | change source]
Mercury(I) fluoride is a light yellow solid. It evaporates at 240°C. It turns black when light is shined on it. It reacts with water to make mercury metal, mercury(II) oxide, and hydrofluoric acid. It is highly toxic.
Preparation[change | change source]
It is made by reacting mercury(I) carbonate with hydrofluoric acid.