d and f BLOCK ELEMENTS

Which ion among the following is expected to have the highest number of unpaired electrons?

• Ti³⁺
• V²⁺
• Cr²⁺
• Mn²⁺

What is the calculated spin-only magnetic moment for a Fe³⁺ ion?

• 3.87 BM
• 4.90 BM
• 5.3 – 5.5 BM
• 5.92 BM

How many unpaired electrons does a Cu²⁺ ion typically have in an aqueous solution?

• 0
• 1
• 2
• 3

What is the calculated spin-only magnetic moment for an ion with 0 unpaired electrons?

• 0 BM
• 1.73 BM
• 2.84 BM
• Undefined

Which of the following correctly identifies the magnetic nature of Zn²⁺?

• Paramagnetic
• Ferromagnetic
• Diamagnetic
• Antiferromagnetic