18 Questions
In crystal field theory, why are metal ions attracted to the electron pairs in ligands?
Overlap between metal orbitals and ligand orbitals
What happens to the energy levels of the 3d orbitals in an octahedral complex compared to an isolated atom?
They split into two sets
What is the consequence of having a strong ligand field in terms of spin configurations?
High spin with Δo > P
What is the Jahn-Teller Effect related to in transition metal complexes?
Unequal occupancy of degenerate orbitals
In an octahedral complex, how are the higher energy set of orbitals labeled based on symmetry?
$e_g$
True or False: In a low spin configuration, Δo is smaller than the pairing energy P.
False
Which theory explains the behavior of metal ions in crystals?
Ligand field theory
In an octahedral complex, how many anionic ligands are present?
6
Which method is NOT commonly used to detect the formation of a coordination compound?
Catalysis
What type of orbitals are used in the Valence bond approach to explain differences in magnetic behavior?
d and f orbitals
Which of the following is associated with the Jahn-Teller Effect?
Octahedral distortion
What property is NOT considered when detecting the formation of a coordination compound?
Molecular weight
In a coordination compound involving a complex ion of square planar geometry, which type of isomerism is never possible?
Optical
What is the general formula for octahedral complexes that exhibit mer – fac isomerism?
MA4B2
What happens when light bounces off an object and all light is reflected?
The object appears white
Why do different ligands on the same metal give different colors in complexes?
Because of crystal field splitting
What happens when light is absorbed by an object and none is reflected?
The object appears black
Why does the addition of NH3 ligand to Cu(H2O)4 change its color?
Because of crystal field theory effects
Explore the consequences of Crystal Field Theory in coordination compounds, where there is no overlap between metal and ligand orbitals. Learn how these interactions affect the energy levels of d orbitals in octahedral complexes.
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