ZnO is amphoteric- i.e. it dissolves in acids and bases. Magneisum isn't! Manganese dioxide is MnO2 disolves in potassium hydroxide. Is that what you mean?
the formula for manganese II ion is Mn 2+ .it is a positively charged ion
No, in order for a substance to be considered amphoteric it must be able to act as an acid and a base. Sodium sulfite will only act as a base, and thus it is not amphoteric.
The reaction for MnO2 mixed with KBrO3 and 9M sulfuric acid is as follows: 2KI + MnO2 + H2SO4 --> I2 +MnSO4 + K2SO4 + 2H2O.
no amonia is not amphoteric it is simply base
ZnO is amphoteric- i.e. it dissolves in acids and bases. Magneisum isn't! Manganese dioxide is MnO2 disolves in potassium hydroxide. Is that what you mean?
the formula for manganese II ion is Mn 2+ .it is a positively charged ion
Yes, MnO2 is a compound, manganese dioxide.
amphoteric
Sodium chloride is not amphoteric.
Catalyst.
amphoteric
Water is an amphoteric substance.
MnO2 is a black solid oxide of manganese with catalytic applications.
No, in order for a substance to be considered amphoteric it must be able to act as an acid and a base. Sodium sulfite will only act as a base, and thus it is not amphoteric.
Well, tne chemical formula is MnO2. If you mean the name of it, that is manganese dioxide.
The oxides of sodium and calcium are not amphoteric: They are strongly basic. The most common amphoteric oxides are silica and alumina.