Pervanadyl

Pervanadyl (.mw-parser-output .template-chem2-su{display:inline-block;font-size:80%;line-height:1;vertical-align:-0.35em}.mw-parser-output .template-chem2-su>span{display:block;text-align:left}.mw-parser-output sub.template-chem2-sub{font-size:80%;vertical-align:-0.35em}.mw-parser-output sup.template-chem2-sup{font-size:80%;vertical-align:0.65em}VO+2) is a pale yellow oxycation of vanadium(V). It is the predominant vanadium(V) species in acidic solutions with pH between 0 and 2, and its salts are formed by protonation of vanadium(V) oxide in such solutions:

The ion can form a complex with a single aminopolycarboxylate ligand, or with tridentate Schiff base ligands.

The VO+2/VO2+ redox couple is used at the cathode of the vanadium redox battery. The standard reduction potential of this couple is +1.00 V.

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