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OXIDATION STATES OF VANADIUM - AMMONIUM VANADATE
(NH4)VO4 Reduced With Zinc Amalgam
Yellow acidified solution of (NH4)VO4, w/ vanadium in the +5 oxidation state, is reduced with zinc amalgam: (1) Blue aq. VO 2+, vanadium in +4 oxide. state, (2) Green aq. V 3+, vanadium in +3 oxide. state, (3) Violet aq. V 2+, vanadium in +2 oxide. state.
Copyright:© 1992 Richard Megna - Fundamental Photographs
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