Iridium(IV) oxide, IrO2, is the only well-characterised oxide of iridium. It is a blue-black solid. The compound adopts the TiO2 rutile structure, featuring...

Iridium compounds are compounds containing the element iridium (Ir). Iridium forms compounds in oxidation states between −3 and +9, but the most common...

°C to iridium(IV) oxide, which then decomposes to iridium metal at 1070 °C. However, under hydrogen, it is directly reduced at 190 °C to iridium metal:...

metallurgy, and mineralogy. Iridium forms compounds in oxidation states between −3 and +9, but the most common oxidation states are +1, +2, +3, and +4...

Iridium tetroxide (IrO4, Iridium(VIII) oxide) is a binary compound of oxygen and iridium in oxidation state +8. This compound was formed by photochemical...

acid. Synthesis of iridium tetrabromide can be by solution of iridium(IV) oxide in hydrobromic acid: IrO2 + 4HBr → IrBr4 + 2H2O Iridium tetrabromide compound...

Chromium dioxide or chromium(IV) oxide is an inorganic compound with the formula CrO2. It is a black synthetic magnetic solid. It once was widely used...

Holmium(III) oxide – Ho2O3 Indium(I) oxide – In2O Indium(III) oxide – In2O3 Iodine pentoxide – I2O5 Iridium(IV) oxide – IrO2 Iron(II) oxide – FeO Iron(II...

reported to be +9, displayed by iridium in the tetroxoiridium(IX) cation (IrO+4). It is predicted that even a +10 oxidation state may be achieved by platinum...

independent of the oxide layer thickness at low current densities but becomes dependent on oxide thickness at high current densities Iridium oxide (IrO2) is the...