Question

In KMnO4 titrations the indicator used is

Answer 1

As Catalyst in reactions

Answer 2

Potassium permanganate, KMnO4, is widely used as an oxidizing agent in volumetric analysis. ... Since the MnO4− ion is violet and the Mn2+ ion is nearly colorless, the end point in titrations using KMnO4 as the titrant can be taken as the first permanent pink color that appears in the solution.