Equivalent weighs of KMnO4 acidic medium, neutral medium and concentrated alkaline medium respectively are M/5, M/1, M/3, Reduced products can be
(a) MnO2, MnO42-
(b) MnO2, Mn2+, MnO42-
(c) Mn2+, MnO42- , MnO2
(d) Mn2+ , MnO2, MnO42-
Correct option: (c) Mn2+, MnO42- , MnO2
Explanation: