   Chapter 21, Problem 52E

Chapter
Section
Textbook Problem

# Draw the d-orbital splitting diagrams for the octahedral complex ions of each of the following.a. Zn2+b. Co2+ (high and low spin)c. Ti3+

(a)

Interpretation Introduction

Interpretation: The d orbital splitting diagrams for the given octahedral complex ions are to be drawn.

Concept introduction: Weak field ligand that has small crystal field splitting energy gives high spin due to the presence of maximum unpaired electrons in lower energy t2g orbitals and higher energy orbitals.

Strong field ligand that has large crystal field splitting energy gives low spin due to presence of maximum paired electrons in lower energy t2g orbitals.

To draw: The d orbital splitting diagrams for the octahedral complex ion Zn2+.

Explanation

Explanation

The atomic number of Zinc (Zn) is 30 and its electronic configuration is,

[Ar]3d104s2

It loses two electrons to acquire two positive charge and becomes Zn2+. The electronic configuration of Zn2+ is,

(b)

Interpretation Introduction

Interpretation: The d orbital splitting diagrams for the given octahedral complex ions are to be drawn.

Concept introduction: Weak field ligand that has small crystal field splitting energy gives high spin due to the presence of maximum unpaired electrons in lower energy t2g orbitals and higher energy orbitals.

Strong field ligand that has large crystal field splitting energy gives low spin due to presence of maximum paired electrons in lower energy t2g orbitals.

To draw: The d orbital splitting diagrams for the octahedral complex ion Co2+.

(c)

Interpretation Introduction

Interpretation: The d orbital splitting diagrams for the given octahedral complex ions are to be drawn.

Concept introduction: Weak field ligand that has small crystal field splitting energy gives high spin due to the presence of maximum unpaired electrons in lower energy t2g orbitals and higher energy orbitals.

Strong field ligand that has large crystal field splitting energy gives low spin due to presence of maximum paired electrons in lower energy t2g orbitals.

To draw: The d orbital splitting diagrams for the octahedral complex ion Ti3+.

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