sentence: Potassium permanganate is more common.
sentences_before: Sometimes oxygen or potassium nitrate is used as the oxidizing agent. This makes potassium manganate. Normally the potassium manganate is converted to potassium permanganate.
sentences_after: Potassium iodide can reduce potassium permanganate to potassium manganate. It can also be made by reacting hot potassium permanganate with potassium hydroxide. This makes oxygen and potassium manganate.
concept_name: potassium permanganate
headings: Potassium manganate Preparation
categories: Potassium compounds Manganese compounds Manganates