What is periodate acid formula?

Periodate acid is a strong oxidizing agent with the chemical formula HIO4. It is also known as metaperiodic acid and is the most common form of periodate. It is a colorless and odorless crystalline solid that is highly hygroscopic and reacts violently with reducing agents. Periodate acid is stable at room temperature and is soluble in water and alcohol. It is commonly used as an oxidizing agent in organic synthesis and as a reagent in analytical chemistry for the determination of carbohydrates. The periodate ion, IO4-, is a tetrahedral shape with a central iodine atom covalently bonded to four oxygen atoms.