1,2 1. Consider an imaginary octahedral complex ion with a central metal ion that has 6d-electrons, MA6?4. MA6?4 has four unpaired electron in the ground state. a) Is the ligand, A; a strong field ligand or a weak field ligand? Explain your answer. (0.4pt) b) Draw the splitting energy diagram of MA6?4,(0.4pt). c) Is the pairing energy for this co solutionspile.com

Question

1,2

1. Consider an imaginary octahedral complex ion with a central metal ion that has

6 d

-electrons,

MA_{6}^{4}

.

MA_{6}^{4}

has four unpaired electron in the ground state. a) Is the ligand,

A

; a strong field ligand or a weak field ligand? Explain your answer.

(0.4 pt)

b) Draw the splitting energy diagram of

MA_{6}^{4}, (0.4 pt)

. c) Is the pairing energy for this complex ion greater than or less than the splitting energy,

?_{0}

. Explain your answer.

(0.4 pt)

d) Is

MA_{6}^{4 ?}

a high spin or low spin complex ion? Explain your answer.

(0.4 pt)

e) Is the complex ion diamagnetic or paramagnetic? Explain your answer.

(0.4 pt)

2. Consider the splitting energies for the octahedral complex ions,

FeBr_{3} (CN)_{3}^{4}, FeBr_{5} (CN)^{4 ?}

,

FeBr_{2} (CN)_{4}^{4 ?}

, and

FeBr_{4} (CN)_{2}^{4}

. a) List the complex ions in order of decreasing splitting energies. (Largest splitting energy to the lowest splitting energies.

(0.2 pt)

Explain your answer.

(0.3 pt)

b) Which of these complex ions will have the shortest

?_{m a x}

?

(0.2 pt)

Explain your choice.

(0.3 pt)

Accepted Answer

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