Variable oxidation states

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5 Terms

1
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Vanadium is formed how?

  • By the reduction of vanadate(V) ions by zinc in an acidic solution

2
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Vanadium all oxidation states

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Vanadium reduction reaction

In acidic conditions:

  • 2VO2 + + 2e- + 4H+ → 2VO 2+ +2H2O

In alkaline conditions:

  • VO 2+ + H2O → VO2 + + 2H+ + e-

4
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Tollen’s reagent

  • Silver complex [Ag(NH3)2]+ is reduced by aldehydes to form silver atoms

<ul><li><p>Silver complex [Ag(NH3)2]+ is reduced by aldehydes to form silver atoms</p></li></ul><p></p>
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Redox titrations of Fe(II), C2O4 2- and MnO4-

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