Oxidation states of vanadium

K002/8883

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Caption

Demonstration of vanadium oxidation states. Vanadium is a transition metal that can form a number of different ions. Each ion has a characteristic colour in solution. In this demonstration, a reducing agent (mercury-zinc amalgam) has been added to the yellow vanadium V (+5) solution. The amalgam reduces the oxidation state of the vanadium by one each time it is shaken, producing, in order: vanadium IV (+4, blue), vanadium III (+3, green) and vanadium II (+2, violet). These are seen together at the end of the clip.

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  • Duration: 00:00:19.01
  • Audio: No
  • Interlaced: No
  • Capture Format: XDCAM EX
  • Codec: Photo - JPEG

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