Chromium(VI) oxide, also known as chromium trioxide, is a chemical compound. Its chemical formula is CrO3.It has chromium in its +6 oxidation state. It also has oxide ions. It is a solid used in cleaning glass.
| Properties of Chromium VI Oxide | |
| Name | Chromium (IV) Oxide |
| Chromium VI Oxide Also Known as | Chromium Trioxide, Chromic acid, Chromic anhydride |
| Chromium VI Oxide Appearance and odour | Dark red granular solid and odourless |
| Chromium VI Oxide Chemical Formula | CrO3 |
| Chromium VI Oxide Melting Point | 197 °C |
| Chromium VI Oxide Boiling Point | 250 °C |
| Chromium VI Oxide Density | 2.7 g/cm3 |
| Chromium VI Oxide Molar Mass | 99.993 g/mol |
| Chromium VI Oxide Solubility in Water | Soluble |
Chromium(VI) Oxide Formula and Definition
Chromium(VI) oxide, also known as chromium trioxide, is a yellowish-orange crystalline solid with a characteristic odor. It’s a highly reactive compound used in various industrial
applications.
Chemical Formula:
The chemical formula for chromium(VI) oxide is:
CrO₃
Structure:
Chromium(VI) oxide consists of one chromium ion (Cr⁶⁺) coordinated to three oxygen ions (O²⁻). The crystal structure of chromium(VI) oxide is orthorhombic.
Properties:
- Yellowish-orange crystalline solid
- Highly reactive with water and acids
- Soluble in water and various organic solvents
Uses:
Chromium(VI) oxide has several applications, including:
- Production of chromates
- Industry (as a catalyst and reagent)
- Medicine (as an antiseptic and disinfectant)
Precautions:
- Handle with care due to its highly reactive nature.
- Wear protective gloves and eyewear when handling chromium(VI) oxide.