Home › JEE Main › Chemistry › d- and f-Block Elements › Magnetic moment of [Fe(H₂O)₆]³⁺ (Fe³⁺ is d⁵, wea…
Magnetic 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.
Related questions
Which of the following coordination compounds shows OPTICAL ISOMERISM?The HEXACYANIDOFERRATE(II) ion $[\mathrm{Fe(CN)_6}]^{4-}$ contains iron in oxidation state$[\mathrm{Ni(CO)_4}]$ is tetrahedral and diamagnetic. The oxidation state of nickel in thiCoordination compounds of transition metals are often COLOURED. CFT explains this colour aWhich of the following best states the CHELATE EFFECT?Cis-trans isomerism is observed in$[\mathrm{Fe(CN)_6}]^{4-}$ has $\mathrm{CN^-}$ ligands, which are STRONG-FIELD ligands. ThIn CRYSTAL FIELD THEORY (CFT) for an OCTAHEDRAL complex, the five degenerate d-orbitals of