Question 896
What is the color of the tetrahedral manganate ion?
Question 897
What is the main purpose of the electrolytic oxidation step in the commercial preparation of KMnO4?
Question 898
What is the oxidation state of manganese in the K2MnO4 formed during the preparation of potassium permanganate?
Question 899
What is the main oxidizing agent used in the fusion step for preparing potassium permanganate according to the text?
Question 900
What type of reaction is involved when manganate (MnO4^2-) converts to permanganate (MnO4^-) and manganese dioxide (MnO2)?