What types of organic substances will decolorize aqueous KMnO4 solutin?

Organic substances that will decolorize aqueous KMnO4 solution are those that are easily oxidized. This includes:

- Aldehydes

- Alcohols

- Ketones

- Alkenes

- Alkynes

- Aromatic hydrocarbons

- Amines

- Sulfides

- Thiols

The reaction between these organic substances and KMnO4 results in the reduction of KMnO4 to MnO2, which is a brown precipitate. The organic substance is oxidized and converted to a variety of products, depending on the specific compound.