what is the charge on the permanganate ion?
The permanganate ion is not neutral, it has a -1 charge. The âperâ prefix is part of the naming system for oxoanions and refers to the oxidation state of the Manganese in the ion. Permanganate: has Mn with an oxidation state of 7+. Manganate: has Mn with an oxidation state of 6+. hypomanganate: has Mn with an oxidation state of 5+.