alleryMagnetic moment of [Fe(H₂O)₆]³⁺ (Fe³⁺ is d⁵, weak field H₂O → high spin):
A2.83 BM
B0 BM
C5.92 BM (5 unpaired)
D1.73 BM
Answer & Solution
Correct answer: C. 5.92 BM (5 unpaired)
Fe³⁺: d⁵.
H₂O is weak field → high spin: t₂g³ e_g², 5 unpaired electrons. μ = sqrt(35) = 5.92 BM.
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