Mercury(I) oxide

• Of mercury (deprecated)
• Diquecksilbermonoxid

Black solid

Fixed

9.9 g · cm -3

100 ° C ( decomposition)

Risk

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Mercury (I ) oxide ( of mercury ) Hg2O is an unstable chemical compound and in addition to mercury ( II) oxide of one of the two oxides of mercury.

Production and representation

Mercury (I ) oxide is formed during the reaction of mercury (I ) nitrate with potassium hydroxide solution. It is initially formed which is also unstable mercury (I ) hydroxide Hg2 (OH ) 2 This decomposes with elimination of water to mercury (I ) oxide.

Properties

Mercury (I ) oxide is very unstable and decomposes by light or heat to elemental mercury and mercury ( II) oxide.

The compound is insoluble in water, it is, however, soluble in nitric acid.