Chlorine or chlorate ion has the molecular formula ClO3–. Chlorates are salt of chloric acid. Chlorate if accompanied by Roman numerals in parentheses, e.g. chlorate (VII), refers to a specific oxyanion of chlorine. Metal chlorate can be prepared by adding chlorine to metal hydroxides such as KOH. In this short article, let's talk about the formula of chlorate, its properties, chemical structure, and the use of chlorate.