In the Complex Ion [Cr(C₂O₄)₂(H₂O)₂]^-, What Is the Oxidation Number

question 11

Multiple Choice

In the complex ion [Cr(C₂O₄) ₂(H₂O) ₂]^-, what is the oxidation number of Cr?

• A) +1
• B) +2
• C) +3
• D) -2
• E) -1

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