- Definition of MnO2
MnO2, also known as Manganese dioxide, is a chemical compound of manganese and oxygen. In this compound, manganese has a chemical state of +4. The atomic mass of the manganese atom is 54.938045 amu, while the atomic mass of the oxygen atom is 15.9994 amu. The structure of MnO2 is a solid crystal, where manganese ions and oxygen ions bond together to form a molecular compound.
- Properties: MnO2
2.1 Physical properties of MnO2
MnO2 is a solid, black or dark brown in color and odorless. MnO2 has a neutral pH.
2.2 Chemical properties of MnO2
MnO2 has strong oxidation and reduction capabilities, can react with strong acids such as HCl, H2SO4 to form manganese salts and chlorine gas, turn blue when in contact with water.