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

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

Options:

Correct Answer: +3

Solution:

In iron(III) oxide (Fe2O3), iron has an oxidation state of +3.

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

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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