What is In2O3? Important knowledge about In2O3.

Definition of In₂O₃
1.1 Names
1.1.1 Common name: In₂O₃ is also known as Indium Oxide.
1.1.2 English name: In₂O₃ is Indium(III) Oxide.
1.2. Atomic mass: The atomic mass of In₂O₃ is 277.64 g/mol.
1.3. Atomic weight
1.3.1 Molecular structure: A molecule of In₂O₃ consists of 2 Indium (In) atoms and 3 Oxygen (O) atoms.
1.4 Ion structure: In In₂O₃, Indium (In) has an oxidation number of +3 and Oxygen (O) has an oxidation number of -2.

Properties of In₂O₃
2.1 Physical properties of In₂O₃
State: solid under standard conditions
Color: white, light blue or pale yellow
Odor: odorless
pH: not applicable (it’s a solid)
2.2 Chemical properties of In₂O₃: In₂O₃ is insoluble in water and weak acids. It dissolves in strong acids such as sulfuric acid, hydrochloric acid and nitric acid.

Common chemical equations involving In₂O₃: In₂O₃ does not regularly participate in common chemical reactions with metals, acids, non-metals or salts.

Synthesis of In₂O₃
4.1 Laboratory synthesis of In₂O₃: Indium Oxide (In₂O₃) is typically not synthesized in the laboratory due to its inertness.
4.2 Industrial synthesis of In₂O₃: Industrially, In₂O₃ is typically synthesized from Indium ore by roasting it with sulfuric acid (H₂SO₄) at high temperatures.