Here's your chance to mix chemicals without wearing safety goggles. You won't spill any acid on the spectrometer in this... see more
Exercise
The titration of potassium permanganate (KMnO4) against oxalic acid (C2H2O4) is an example of redox titration. In close proximity to the endpoint, the action of the indicator is analogous to the other types of visual colour titrations in oxidation-reduction (redox) titrations.