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Flinn Scientific Morning of Chemistry - NSTA 2012 - Oxidation States of Vanadium

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Published on Jun 21, 2012

A yellow solution containing vanadium(V) ions goes through a series of beautiful color changes as it is swirled and shaken with zinc metal. The final purple solution, which contains vanadium(II) ions, miraculously cycles back through the entire series of color changes when hydrogen peroxide is added. To see more videos similar to this visit us at http://www.flinnsci.com

ATTENTION:
This demonstration is intended for and should only be performed by certified science instructors in a safe laboratory/classroom setting.

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