
Crystal Field Theory Exploration
Quiz
•
Science
•
12th Grade
•
Practice Problem
•
Hard
jahira shahul
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the energy difference between the two sets of d-orbitals in an octahedral complex called?
Octahedral distortion energy
Crystal field splitting energy (Δo)
Ligand field strength
Electron pairing energy
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Describe the splitting pattern of d-orbitals in a tetrahedral coordination complex.
The d-orbitals split into one set of four orbitals and one set of one orbital.
The d-orbitals split into three sets of equal energy.
The d-orbitals remain degenerate in a tetrahedral complex.
The d-orbitals split into two sets: a lower energy set of two orbitals and a higher energy set of three orbitals.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the strength of a ligand affect the crystal field splitting energy in coordination complexes?
The strength of a ligand increases the crystal field splitting energy in coordination complexes.
Weaker ligands increase the crystal field splitting energy.
The strength of a ligand has no effect on crystal field splitting energy.
The crystal field splitting energy decreases with stronger ligands.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
List three ligands that are considered strong field ligands in the spectrochemical series.
SO4^2-, PO4^3-, ClO4^-
F-, I-, Br-
CN-, CO, NH3
Cl-, H2O, NO2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between the color observed in a coordination complex and the wavelength of light absorbed?
The color observed is determined by the intensity of light absorbed.
The color observed is identical to the wavelength of light absorbed.
The color observed is complementary to the wavelength of light absorbed.
The color observed has no relation to the wavelength of light absorbed.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain why tetrahedral complexes generally have smaller splitting energy compared to octahedral complexes.
Tetrahedral complexes generally have smaller splitting energy than octahedral complexes due to less ligand-ligand repulsion and different orbital alignment.
Octahedral complexes have smaller splitting energy because of their symmetrical shape.
Tetrahedral complexes split d-orbitals more than octahedral complexes.
Tetrahedral complexes have larger splitting energy due to more ligand-ligand repulsion.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of ligand would you expect to produce a larger splitting in an octahedral complex: a strong field ligand or a weak field ligand?
A neutral ligand.
A strong field ligand.
A bidentate ligand.
A weak field ligand.
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the geometry of a coordination complex influence its electronic transitions and color?
The geometry of a coordination complex influences its electronic transitions and color by altering the d-orbital splitting, affecting the wavelengths of light absorbed.
Geometry only influences the size of the complex, not its color.
Only the metal ion affects the color, not the geometry.
The geometry has no effect on electronic transitions or color.
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