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What is the primary oxidation state of iron in iron(III) oxide?

Practice Questions

Q1
What is the primary oxidation state of iron in iron(III) oxide?
  1. +1
  2. +2
  3. +3
  4. 0

Questions & Step-by-Step Solutions

What is the primary oxidation state of iron in iron(III) oxide?
  • Step 1: Identify the compound in question, which is iron(III) oxide, written as Fe2O3.
  • Step 2: Understand that the Roman numeral III in iron(III) indicates the oxidation state of iron.
  • Step 3: Recognize that the oxidation state of iron in this compound is +3.
  • Step 4: Conclude that in iron(III) oxide, the primary oxidation state of iron is +3.
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