Is Mercury Oxide a Solid?

Mercury(II) oxide, also called mercuric oxide or simply mercury oxide, has a formula of HgO. It has a red or orange color. Mercury(II) oxide is a solid at room temperature and pressure.

Is mercury oxide a solid liquid or gas?

Mercury(II) oxide is a red solid. When it is heated to a temperature above 500°C, it easily decomposes into mercury and oxygen gas. The red color of the mercury oxide reactant becomes the silver color of mercury.

Is mercury oxide a base?

Mercury oxide is a binary compound of oxygen and mercury, with the formula HgO. In normal conditions it is a solid, loose substance, and depending on the degree of dispersion it is red or yellow – the main and most important mercury oxide.