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Vanadium (IV) solution

Vanadium (IV) solution

A500/0688

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Credit

MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY

Caption

Vanadium (IV) solution. Image 2 of 4. Acidic aqueous solution of vanadium (IV) oxide ions (VO +2), with bits of zinc metal. The vanadium is in its +4 (IV) oxidation state, as shown by the blue colour. Vanadium is a transition metal, and, like many other transition metals, its electronic structure can absorb light at a particular wavelength, giving rise to strongly coloured ions and complexes. The lower oxidation states of vanadium are prepared from the dioxovanadium ion by the addition of more acid and zinc to catalyse further reductions. See images A500 687-690 for all four oxidation states of vanadium.

Release details

Model release not required. Property release not required.

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