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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Keywords: bench, bottle, chemical, chemistry, color, colors, colour change, colours, demonstrating, demonstration, education, footage, glassware, hand, ion, ions, lab, laboratory, mercury-zinc amalgam, oxidation state, reacting, reaction, red-ox, redox, reducing agent, reduction, school, shaking, solution, solutions, states, technician, transition metal, vanadium, vanadium ii, vanadium iii, vanadium iv, vanadium v, video

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Oxidation states of vanadium

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Duration: 00:00:19.01

Frame size: 1920x1080

Frame rate: 25

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Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 623.9M


Capture format: XDCAM EX

Codec: Photo - JPEG

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