d and f BLOCK ELEMENTS

How does the magnetic moment of Fe²⁺ compare to that of Fe³⁺?

• Fe²⁺ has a higher magnetic moment
• They have the same magnetic moment
• Fe³⁺ has a higher magnetic moment
• It depends on the compound

What is the observed magnetic moment range for Cu²⁺ ions according to Table 4.7?

• 1.73 BM
• 1.8 – 2.2 BM
• 2.9 – 3.4 BM
• 5.3 – 5.5 BM

Which electronic configuration (3dⁿ) corresponds to the maximum calculated spin-only magnetic moment in Table 4.7?

• 3d⁰
• 3d⁵
• 3d⁷
• 3d¹⁰

What is the calculated spin-only magnetic moment for a divalent ion with atomic number 24?

• 3.87 BM
• 4.80 BM
• 4.90 BM
• 5.92 BM

For which of the following ions would you expect the largest difference between calculated and observed magnetic moments based on Table 4.7?

• Sc³⁺
• Ti³⁺
• V²⁺
• Co²⁺