Problem: Consider the crystal field splitting pattern for octahedral complexes to answer the following questions. Part A. How many electrons are unpaired in a d6 high spin complex? Part B. How many electrons are unpaired in a d4 low spin complex? Part C. Which of the following can have both low-spin and high-spin possibilities? a. d1                        f. d6 b. d2                        g. d7c. d3                        h. d8d. d4                        i. d9e. d5                        j. d10

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FREE Expert Solution

A metal complex is made up of a central metal atom and its ligands

•  Ligands can be classified according to their field strength or ligand strength.


•  Strong-field ligands repel the metal's electrons very effectively, producing large splits.

This means that the field is low spin and the lower energy orbitals to be filled first before the higher energy orbitals.

          

•  Weak-field ligands only partly repel the electrons, producing smaller splits.

This means that the field is high spin and the higher energy orbitals will be filled even if the lower energy orbitals are unfilled.


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Problem Details

Consider the crystal field splitting pattern for octahedral complexes to answer the following questions. 

Part A. How many electrons are unpaired in a d6 high spin complex? 

Part B. How many electrons are unpaired in a d4 low spin complex? 

Part C. Which of the following can have both low-spin and high-spin possibilities? 

a. d1                        f. d6 

b. d2                        g. d7

c. d3                        h. d8

d. d4                        i. d9

e. d5                        j. d10

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Crystal Field Theory concept. If you need more Crystal Field Theory practice, you can also practice Crystal Field Theory practice problems.

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Based on our data, we think this problem is relevant for Professor Yang's class at FSU.