Using Kröger-Vink notation, write the defect chemical equation for mixing FeO into Fe2O3

Using Kröger-Vink notation, write the defect chemical equation for mixing FeO into Fe₂O₃

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Expert Solution

Dear friend your answer is by using the Kroger-Vink notation for FeO in Fe2O3 is

1. vacancy creation doesn’t change site balance

2. Keep in mind that we have strongly ionic species in this example; charges are involved

3. Placing a Fe2+ ion on a Fe3+ site gives a net -1 charge on the site

4. A vacancy must be created in order to preserve charge neutrality and maintain site relation. This is a “trick” that you will have to learn.

Thank you.

queen_honey_blossom answered 1 year ago

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