This chemistry experiment shows you how to produce red, orange, green, yellow, blue and purple all in one solution, all the colors of the rainbow without dyes or indicators. How is that possible? We show you how to produce the amazing oxidation states of vanadium in one of the most exciting experiments we have ever done.

Most versions of this experiment use expensive and hard to find reagents like ammonium vanadate or zincmercury amalgam, but not us! We show you an easier route.

We also take you both forward and back though the various oxidation states, and show exciting intermediary colors. As a bonus, you get to see pure vanadium crystals and vanadium react with concentrated nitric acid.

COMPLETE PROCEDURE AND SAFETY NOTES: https://chemistrytalk.org/vanadiumox...
CHEMTALK WEBSITE: https://chemistrytalk.org/
WORLDS BEST PERIODIC TABLE: https://chemistrytalk.org/interactive...

Special thanks to team members Lawton Long for helping with the procedure, Alejandra Valenzuela for her help in editing, and a big thank you to our top donors Amgen Foundation, CALPACS, CABRI foundation, Hansen Lab Solutions and Hago Energetics.

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ChemTalk is a 501(c)(3) nonprofit focused on making chemistry fun and easy to learn, and inspiring the next generation of STEM grads. The ChemTalk website has hundreds of amazing tutorials on middle, high school and college chemistry, organic chemistry, biochemistry, experiments, the elements, the periodic table, and a podcast series. It also has the world's most beautiful interactive periodic table.

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