WorksheetsCrystal field theory
Total questions: 12
Worksheet time: 9mins
1. CFT views the interaction between metal ions and ligands in complexes in terms of electrostatic _______________ and ____________________.
attraction, repulsion
positive, negative
cation, anion
Which orbital is very important in CFT?
orbital p
orbital s
orbital d
When the ligands move along the x, y and z axes of d orbital in metal ion (octahedral geometry), they approach directly toward or between the lobes. Name the d orbitals that feel less repulsion?
dz2 and dx2- y2
dxy, dxz and dyz
dz2
dxy and dxz
When the ligands move along the x, y and z axes of d orbital in metal ion (octahedral geometry), they approach directly toward or between the lobes. Name the d orbitals that feel strong repulsion?
dz2 and dx2- y2
dxy, dxz and dyz
dz2
dxy and dxz
When the ligands move along the x, y and z axes of d orbital in metal ion (tetrahedral geometry), none of the five d orbitals is directly in their path. Name the d orbitals that feel strong repulsion?
dz2 and dx2- y2
dxy, dxz and dyz
dz2
dxy and dxz
When the ligands move along the x, y and z axes of d orbital in metal ion (tetrahedral geometry), none of the five d orbitals is directly in their path. Name the d orbitals that lower energy
dz2 and dx2- y2
dxy, dxz and dyz
dz2
dxy and dxz
The energy diagram of the d orbital energy splitting complexes in octahedral geometry, shows the d orbitals with higher in energy (eg) which refer to _____________ d orbitals
dz2
dxy, dxz and dyz
dz2 and dx2- y2
dxy and dxz
The energy diagram of the d orbital energy splitting complexes in tetrahedral geometry, shows the d orbitals with higher in energy (t2g) which refer to _____________ d orbitals
dz2
dxy, dxz and dyz
dz2 and dx2- y2
dxy and dxz
The splitting of orbital energies is called the crystal field effect
True
False
1 delta is similar to 10 Dq
true
false
Crystal field strength of the ligand is inverse proportional to splitting energy
true
false
Strong field ligand is which give small splitting energy
true
false
