Estimate the crystal field stabilization energy for the
octahedral ion hexafluorocobaltate(III) , if the wavelength of
maximum absorption for the ion is 710 nm. [Note: This is a
weak-field (high-spin) complex.] _____kJ mol^-1
Estimate the crystal field stabilization energy for the
octahedral ion hexafluorocobaltate(III) , if the wavelength of
maximum absorption for the ion is 710 nm. [Note: This is a
weak-field (high-spin) complex.] _____kJ mol^-1
Describe the general behavior of d orbitals in an octahedral
field (splitting pattern). You can either explain it using the
Molecular orbital model or the Crystal Field Model. (explain the
splitting and why, don’t just tell me that they split into two
groups). What makes a ligand a strong field ligand, while another
one a weak field ligand? For example why are H2O ligands generally
regarded as weak field splitters, while NH3 ligands are strong
field splitters? Why carbonyls are...
How would you solve for octahedral splitting?
Absorbed wavelength
Octahedral splitting
Formula
(nm)
(kJ/mol)
533
?
[Co(NH3)5Cl]Cl2
483
?
[Co(NH3)6]Cl3
510
?
[Co(NH3)5CO3]NO3
How many unpaired electrons are in the following transition
metal ions in an octahedral crystal field? Part 1(1 pt) High-spin
Fe3+ unpaired electron(s) Part 2(1 pt) Cu+ unpaired electron(s)
Part 3(1 pt) V3+ unpaired electron(s) Part 4(1 pt) low-spin Mn3+
unpaired electron(s)
1) The correct arrangement of the following complex ions in
terms of increasing crystal field splitting energy (D) is:
[CrI6]3-
[CrF4]-
[Cr(en)3]3+
[W(en)3]3+
a) Smallest [CrI6]3- <
[Cr(en)3]3+ <
[CrF4]- < [W(en)3]3+
Largest
b) Smallest [CrI6]3- <
[W(en)3]3+ < [CrF4]-
< [Cr(en)3]3+ Largest
c) Smallest [CrF4]- <
[CrI6]3- <
[Cr(en)3]3+ <
[W(en)3]3+ Largest
d) Smallest [CrF4]- <
[W(en)3]3+ <
[CrI6]3- <
[Cr(en)3]3+ Largest
e) Smallest [W(en)3]3+ <
[Cr(en)3]3+ <
[CrF4]- < [CrI6]3-
Largest
2) Determine the...
Draw and label crystal field splitting diagrams (including
orbital labels) for the following complexes. Calculate he ligand
field stabilization energy as a factor of Delta for each
complex.
a. [Co(OH2)6]2+
b. [RH(NH3)6]2+
c. [NiCl4]2-
Please briefly explain "Ligand-field splitting and relationship
to UV-vis; a brief intro with relevant example(s)". Don't copy and
paste from internet.