of all atoms in a molecule is charge on the molecule . * Let oxidation no of Mn be x . I'll show you how to find manganese's oxidation state in the first two compounds, and leave the last one to you as practice.. Electron Configuration and Oxidation States of Manganese. Step-by-step answer 100% (6 rating) 04:32 6 0. Please I need the answer ASAP. Oxygen has a #"(-2)"# oxidation state in these compounds. On negative oxidation states, in general. Materials: 0.002 M KMnO 4 Petri dishes (4) 0.01 M NaHSO3 3 M H … Electron configuration of Manganese is [Ar] 3d5 4s2. Mn 2+ The most stable oxidation state (oxidation number) for manganese is 2+, which has a pale pink color, and many manganese(II) compounds are common, such as manganese(II) sulfate (MnSO 4) and manganese(II) chloride (MnCl 2). Electron Configuration In each of those three cases, you can determine the oxidation state of manganese by using the known oxidation state of oxygen and the overall charge of the ion, when that is the case.. Many compounds with luster and electrical conductivity maintain a simple stoichiometric formula; such as the golden TiO, blue-black RuO 2 or coppery ReO 3, all of obvious oxidation state.Ultimately, however, the assignment of the free metallic electrons to one of the bonded atoms has its limits and leads to unusual oxidation states. The oxidation state of Mn in the stable oxide of manganese is calculated as follows; The oxidation state of oxygen in oxide is -2. ? The oxidation state of Mn is assumed to be x. The equation has been written in that manner because K M n O 4 has an overall oxidation number of 0. Although it's usually a topic that's covered relatively late in a chemistry education, negative oxidation states for transition metals  are actually quite alright. Oxidation state in metals. oxidation no of O is (–2). Expert Answer 100% (76 ratings) Previous question Next question Get more help from Chegg. * The algebraic sum of oxidation no. Videos. What is the oxidation state of each element in Mn(NO3)2? Thus four oxygen atoms will have an oxidation number of − 8 Oxidation States of Manganese Description: Three reactions are carried out separately with KMnO 4 resulting in solutions with colors reflecting the change in oxidation state from Mn 7+ to +2, +4, and +6. Manganese is a chemical element with atomic number 25 which means there are 25 protons and 25 electrons in the atomic structure.The chemical symbol for Manganese is Mn. That state occurs only in the oxo species permanganate (MnO 4 −), manganese heptoxide (Mn 2 O 7), and manganese trioxide fluoride (MnO 3 F), which show some similarity to corresponding compounds of the halogens—for example, in the instability of the oxide. Mn(ClO(4))3. Possible oxidation states are +2,3,4,7. Here the charge is (–2). what is the oxidation number for Mn in the compound: Mn(CN)6 -4? What iis the oxidation state of each element. K has an oxidation number of + 1 and O has an oxidation number of − 2.