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Atoms and reactions

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Question 12

Potassium ferrate, K2FeO4\text{K}_2\text{FeO}_4K2​FeO4​, is a powerful oxidising agent used in wastewater treatment. What is the oxidation number of iron (Fe\text{Fe}Fe) in K2FeO4\text{K}_2\text{FeO}_4K2​FeO4​?

+3+3+3

+6+6+6

+4+4+4

+2+2+2

Atoms and reactions Questions

  1. A Level
  2. /Chemistry
  3. /Atoms and reactions