Redox and the Goddess of Beauty - Chemical Demonstration Kit
By: Jim and Julie Ealy, Retired, The Peddie School, Hightstown, NJ
Item #: AP8472
In the Redox and the Goddess of Beauty Oxidation-Reduction Chemical Demonstration Kit, a vanadate solution goes through color changes. Vanadium is named after the Goddess of Beauty, Vanadis, and truly lives up to its name in this demo.
Because of its beautiful multicolored compounds, vanadium, atomic number 23, was named after the Scandinavian Goddess of Beauty, Vanadis. In this demonstration, a yellow vanadate solution goes through a series of color changes when shaken together with granulated zinc. Each color change is due to a change in the oxidation state of the vanadium. Vanadium truly lives up to its name in this demo! Teacher Demonstration Notes included.Enough materials are included to perform the demonstration seven times.
Concepts: Oxidation-reduction, properties of vanadium.
Time Required: 20 minutes
Chemicals Provided: Granulated zinc, ammonium metavanadate solution, and hydrogen peroxide solution.