What is H2Cr3O5? Important knowledge about H2Cr3O5

Definition of H₂Cr₃O₅
H₂Cr₃O₅, also known as Chromic Acid or Chromic Trioxide, is a chemical compound that exists in the form of H₂Cr₃O₅ molecules. The atomic weight of H₂Cr₃O₅ consists of 2 Hydrogen atoms, 3 Chromium atoms, and 5 Oxygen atoms. The atomic weight of H₂Cr₃O₅ is 162.072 g/mol. The molecular structure of H₂Cr₃O₅ includes three Chromium atoms linked with five Oxygen atoms, forming an octahedral shape. The ions of H₂Cr₃O₅ can form ionic bonds with other atoms.

Properties of H₂Cr₃O₅
H₂Cr₃O₅ exists in the form of white to slightly yellow crystalline solid, odorless and insoluble in water. The pH value of H₂Cr₃O₅ is 1, indicating that it is a strong acid. It has strong oxidizing properties and can react with many other substances to form different chemical compounds.

Common chemical equations involving H₂Cr₃O₅
H₂Cr₃O₅ can react with metals such as Fe, Cu, Zn… to produce chrom salts and H₂ gas. It can also react with acids like HCl, H₂SO₄ to produce chrom salts and HCl or SO₂ gas. H₂Cr₃O₅ can also react with non-metals like S, P, C… to produce other compounds such as Cr₂S₃, CrP, CrC…

Synthesis of H₂Cr₃O₅
In the laboratory, H₂Cr₃O₅ can be synthesized from CrO₃ and H₂O with the equation:
2CrO₃+3H₂O->H₂Cr₃O₅
On an industrial scale, H₂Cr₃O₅ is usually produced from the treatment of Cr₂O₃ with a strong acid such as H₂SO₄.