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Multiple choice

Which of the following compound has the highest oxidation state of iron?

  1. K4Fe(CN)6

  2. Fe(CO)5

  3. Fe0.94O

  4. FeSO4.(NH4)SO4.6H2O

  5. K2FeO4

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Oxidation state  of Fe in K2Fe+6O4 = + 6

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