Interaction | Reaction | Process Data Page
The orange-yellow solution of dioxovanadium(V) ion reacts with 1.5 mol eq. of granulated zinc and aqueous acid to give a violet solution of hexaaquavanadium(II) ion.Air must be excluded to get all the way to the +2 oxidation state.A mineral acid such as dilute sulfuric acid should be used. Nitric acid is not suitable.
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