Chemistry 9701 · AS & A Level · Electrochemistry

Electrochemistry — practice question

Ammonium metavanadate, $\text{NH}_4\text{VO}_3$, may be used to prepare a solution of $\text{VO}_2\text{Cl}$, which contains chloride ions. What is the change in vanadium's oxidation number in this reaction?

  • A$-1$
  • B$0$
  • C$+1$
  • D$+2$

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