Question

Is mercury oxide acidic or basic?

Answer 1

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.

Answer 2

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. The mineral form montroydite is very rarely found.