GKFix MCQ Question

Why is the E°(Cr3+/Cr2+) value relatively low, making Cr2+ a good reducing agent?

• A. Cr2+ is larger than Cr3+
• B. Cr3+ is more hydrated than Cr2+
• C. Cr3+ (d3) has a more stable electronic configuration than Cr2+ (d4)
• D. Cr2+ has a higher charge density