Hg2(NO2)2 is known as Mercury(I) nitrite, a chemical compound consisting of mercury, nitrogen, and oxygen. The English name of this substance is Mercury(I) nitrite.
This compound has a molecular weight of 525.21 g/mol. The molecular structure includes two mercury atoms, two nitrite groups, each nitrite group consists of one nitrogen atom and two oxygen atoms.
With its ionic structure, Hg2(NO2)2 consists of the Mercury(I) ion Hg2 2+ and the nitrite ion NO2-.
In terms of properties, Hg2(NO2)2 is an amorphous, white solid. Its odor is not clearly described. The pH of water containing Hg2(NO2)2 is usually neutral or slightly acidic.
Hg2(NO2)2 can react with metals, acids, non-metals, salts, and produce different products depending on the reaction conditions.
Regarding synthesis, Hg2(NO2)2 can be prepared in the laboratory through the reaction of mercury with nitrous acid. On an industrial scale, this compound can be produced by dissolving mercury in concentrated nitric acid and then adding nitrous acid.