What Are The Physical And Chemical Properties Of Magnesium Sulphide?

Magnesium sulphide is a chemical compound with the chemical formula MgS. It has a white to yellowish-white color and appears as a crystalline solid at room temperature.

Physical properties:

- Melting point: 2,082°C

- Boiling point: 1,865°C

- Density: 2.71 g/cm³

- Solubility: Insoluble in water, soluble in acids

Chemical properties:

- Magnesium sulphide reacts with water to produce magnesium hydroxide and hydrogen sulfide gas.

MgS + 2H₂O → Mg(OH)₂ + H₂S

- It also reacts with acids to release hydrogen sulfide gas.

MgS + 2HCl → MgCl₂ + H₂S

- When heated in air, it reacts with oxygen to form magnesium oxide and sulfur dioxide gas.

MgS + 3O₂ → MgO + 2SO₂

Overall, magnesium sulphide is a stable compound under normal conditions and does not react readily with most substances. However, it can decompose when heated strongly or when exposed to certain chemicals like water or acids.