The calculated spin only magnetic moment of ion is

Question

The calculated spin only magnetic moment of  ion is

Canvas Classes · Accepted Answer

🧠 The "Aha!" Moment
Magnetic moment in transition metals is simply a count of unpaired electrons. More "lonely" electrons means a stronger pull into a magnetic field.

🗺️ The Standard Approach
1. Ion Configuration:  is : .
   - To form , we remove 2 electrons: one from  and one from .
   - Configuration = .
2. Count Unpaired Electrons (): In a  subshell (assuming no strong ligand is mentioned, or for the free ion), there are 4 unpaired electrons.
3. Spin-only Formula:
   
4. Calculation:

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