Chemistry - Coordination Chemistry Question with Solution | TestHub

ChemistryCoordination ChemistryVBT,CFT(complex compound)Medium2 minQB

ChemistryMediummultiple choice

Which of the following is/are NOT high spin complex of $Fe^{+ 2}$ :-

Answer:

C, D

Solution:

Fe²⁺ (d⁶):

A [Fe(acac)₃] → acac⁻ = intermediate/weak field → high spin (so it is NOT “non high spin”)

B [Fe(H₂O)₆]²⁺ → weak field → high spin

C [Fe(CN)₆]⁴⁻ → strong field → low spin

D [Fe(CN)₅NO]²⁻ → very strong field → low spin

So complexes NOT high spin = C and D only.

Stream:JEESubject:ChemistryTopic:Coordination ChemistrySubtopic:VBT,CFT(complex compound)

⏱ 2mℹ️ Source: QB

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