👉 Collodiochloride is a chemical compound that has the formula [Co(NH3)4Cl2]SO4. This name comes from the presence of three covalent ligands (NH3, H+ ions, and Cl- ions) in its structure. The compound is used as an antacid, which is a medication used to treat heartburn or indigestion. Collodiochloride can be prepared by dissolving it in water at room temperature and then heating