What Is the Change in Oxidation Number for Cobalt in the Redox

question 51

Multiple Choice

What is the change in oxidation number for cobalt in the redox reaction 2Co₂O₃ + 3C  4Co + 3CO₂

• A) +4 to -4
• B) +2 to 0
• C) +3 to +4
• D) +3 to 0

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