Question 826
What is the color change observed at the endpoint of a titration using KMnO₄ as the titrant with a colorless analyte like Fe²⁺?
Question 827
What is the coefficient of H₂O in the balanced equation 10I⁻ + 2MnO₄⁻ + 16H⁺ → ? Mn²⁺ + ? H₂O + 5I₂?
Question 828
What is the main reason for the decomposition of KMnO₄ upon heating?
Question 829
What is the oxidation state change of manganese when preparing permanganate from a Mn²⁺ salt?
Question 830
What is the main product formed when potassium permanganate oxidizes iodide ions in acidic solution?