Oxidation States of Manganese

 

Hazards: 

Sulfuric acid is corrosive and toxic

Oxalic acid is caustic

Chemicals and Solutions: 

KMnO4 solution

Oxalic acid/sulfuric acid solution

 

Materials: 

two ungraduated cylinders

Procedure: 

Fill both cylinder 1/4 full of KMnO4 solution.  Fill one of the cylinders with oxalic acid/sulfuric acid solution and the other with DI water.

Solution changes from Purple to Rose to Orange-brown to faint yellow to colorless over 4-5 minutes.

To schedule a demonstration, please send an email to the demonstration lab.

 

Contact:

Eric Camp

Lecture Demonstration Technician

Bagley Hall 171

(206) 543-1606

ericcamp@uw.edu

 

Site Map | Contact Us