What is Cl2O8? Important knowledge about Cl2O8.

1. Definition of Cl₂O₈:
   Cl₂O₈, also known as Dichlorooctaoxide, is a chemical compound consisting of 2 chlorine atoms and 8 oxygen atoms. With the atomic mass of chlorine being 35.5 and oxygen being 16, the atomic mass of Cl₂O₈ is 238.9. Cl₂O₈ molecule consists of two chlorine ions combined with one oxygen ion.

2. Properties of Cl₂O₈:
   2.1 Physical properties: Cl₂O₈ usually appears as a pale yellow gas with a quite distinctive smell. The pH of this substance is in the neutral range.
   2.2 Chemical properties: Cl₂O₈ has the ability to react strongly with water, producing hydrochloric acid and chlorohydric acid.

3. Common chemical equations:
   Cl₂O₈ commonly participates in oxidation reactions, for example, reacting with metals such as Fe, Cu, Zn, Al, Na to form chlorate salts.

4. Synthesis of Cl₂O₈:
   4.1 Laboratory synthesis: Cl₂O₈ can be synthesized from the reaction between Cl₂ and O₂ under high temperature conditions.
   4.2 Industrial synthesis: In industry, Cl₂O₈ is produced by electrolyzing a solution of chloride salts.

Note: Cl₂O₈ is a very strong and highly toxic compound. Direct contact with this substance should be limited and safety rules must always be followed when working with it.