For the Oxides CrO, Cr₂O₃, and CrO₃

question 95

Multiple Choice

For the oxides CrO, Cr₂O₃, And CrO₃,
Which of the following is true?

• A) All the oxides are basic.
• B) All the oxides are acidic.
• C) CrO is acidic, and Cr₂O₃ and CrO₃ are basic.
• D) CrO and Cr₂O₃ are acidic and CrO₃ is basic.
• E) CrO is basic, Cr₂O₃ is amphoteric, and CrO₃ is acidic.

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