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What Is the Average Oxidation Number of Cu in the 1-2-3

Question 50

Multiple Choice

What is the average oxidation number of Cu in the 1-2-3 superconductor YBa₂Cu₃O₇ if Y is in the +3 oxidation state?

A) +2
B) +2.33
C) +3
D) +3.33

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