The correct order of the spin-only magnetic moments of the following complexes is:
(I)
(II)
(III) ()
(IV)

Question

The correct order of the spin-only magnetic moments of the following complexes is:
(I) 
(II) 
(III)  ()
(IV)

Canvas Classes · Accepted Answer

Strategy:
 Calculate the spin-only magnetic moments () and order them decreasingly.

Step 1: Analyze each complex
- (I) :  (), weak field   high-spin  4 unpaired ().
- (II) :  (), strong field   low-spin  0 unpaired ().
- (III) :  (), specifically noted   low-spin  1 unpaired ().
- (IV) :  (), tetrahedral (weak)    3 unpaired ().

Step 2: Order decreasingly
4.90  3.87  1.73  0.
(I)  (IV)  (III)  (II).

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