GKFix MCQ Question

Which of the following best explains why Ce⁴⁺ has a strong tendency to revert to the Ce³⁺ state?

• A. Ce⁴⁺ is a strong oxidant
• B. Ce⁴⁺ is unstable
• C. Ce³⁺ is a strong oxidant
• D. Ce⁴⁺ has a larger radius than Ce³⁺