What is H2Cr2O6? Important knowledge about H2Cr2O6.

1. Definition of H₂Cr₂O₆

H₂Cr₂O₆, also known as chromic acid or dichromic acid. In English, this compound is often referred to as Chromic acid. H₂Cr₂O₆ contains two chromium atoms, one hydrogen atom, and six oxygen atoms. The total atomic mass of H₂Cr₂O₆ is 202.02 g/mol. In a molecule of H₂Cr₂O₆, both chromium and oxygen atoms are ionized, with chromium in an ion state of +6 and oxygen in a state of -2.

2. Properties: H₂Cr₂O₆

2.1 Physical properties of H₂Cr₂O₆: H₂Cr₂O₆ in solid form has a bright red color. It is odorless and has a low pH, indicating its strong acidity.

2.2 Chemical properties of H₂Cr₂O₆: H₂Cr₂O₆ is a strong acid, capable of strong oxidation and absorbing water from the air.

3. Common chemical equation for H₂Cr₂O₆: There is no specific information about the reaction of H₂Cr₂O₆ with metals, acids, nonmetals, and salts. However, H₂Cr₂O₆ can react to form Cr₂O₃ and H₂O.

4. Synthesis of H₂Cr₂O₆

4.1 Laboratory synthesis of H₂Cr₂O₆: H₂Cr₂O₆ can be synthesized from CrO₃ and H₂O in an acidic environment.

4.2 Industrial synthesis of H₂Cr₂O₆: In industry, H₂Cr₂O₆ is produced from chromite ore (FeCr₂O₄) through a series of calcination processes and reactions with acid.