Purpose
To illustrate the various oxidation states of an element.
Materials
- Potassium permanganate, KMnO4 (0.1 M)
- Sodium hydroxide, NaOH (2.0 M)
- Sulfuric acid, H2SO4 (3.0 M)
- Sodium bisulfite, NaHSO3 (0.1 M)
- EDTA (1.0 M)
- Manganese(II) sulfate, MnSO4 (powder)
- 5 ea. 100 mL beakers
- 50 mL graduated cylinder
Safety
- Read the MSDS/WHMIS sheets for all chemicals before using them
- Wear chemical safety glasses, gloves, and lab coat
- Concentrated acids and bases are used
- Permanganate solution will stain
Continue reading ‘Colors of Manganese Ions ScholAR Demonstration’
