General Chemistry
General Chemistry
7th Edition
ISBN: 9780073402758
Author: Chang, Raymond/ Goldsby
Publisher: McGraw-Hill College
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Chapter 20, Problem 20.64SP

(a)

Interpretation Introduction

Interpretation:

 To determine the magnetic property of the given compounds.

Concept Introduction:

Spectrochemical series: The list of ligands arranged in an ascending order of (Δ)(the splitting of d-orbitals in presence of various ligands).

I-<Br-<SCN-<Cl-<S2-<F-<OH-<O2-<H2O<NCS-<edta4-<NH3<  en<NO2-<CN-<COweak-fieldincreasing(Δ)strong-fieldligandsligands

Crystal field splitting: The energy gap between the splitting of d-orbitals of the metal ion in presence of ligands is known as the crystal field splitting (Δ). The magnitude of (Δ) is depends on the nature of metal ions and the ligands.

To Identify: To determine the magnetic property of the given compounds.

(a)

Expert Solution
Check Mark

Answer to Problem 20.64SP

The Cu3+ ion is unstable.

Explanation of Solution

Interpret the given information.

The Cu3+ ion is unstable because of the high charge density on the small cation and the coordination of the small and highly charged fluoride ligands is possible but in the biological compounds the ligands to extremely large to disperse the charge and get stabilized.

(b)

Interpretation Introduction

Interpretation:

To determine the magnetic property of the given compounds.

Concept Introduction:

Spectrochemical series: The list of ligands arranged in an ascending order of (Δ)(the splitting of d-orbitals in presence of various ligands).

I-<Br-<SCN-<Cl-<S2-<F-<OH-<O2-<H2O<NCS-<edta4-<NH3<  en<NO2-<CN-<COweak-fieldincreasing(Δ)strong-fieldligandsligands

Crystal field splitting: The energy gap between the splitting of d-orbitals of the metal ion in presence of ligands is known as the crystal field splitting (Δ). The magnitude of (Δ) is depends on the nature of metal ions and the ligands.

To Identify: To determine the magnetic property of the given compounds.

(b)

Expert Solution
Check Mark

Answer to Problem 20.64SP

The systematic name of the given compound K3CuF6 is Potassiumhexafluorocuprate(III). Possesses octahedral geometry and paramagnetic.

Explanation of Solution

Interpret the given information.

The systematic name of the given compound K3CuF6 is Potassiumhexafluorocuprate(III).

The six ligands around the metal ion give octahedral geometry.

Magnetic property of the compound:

General Chemistry, Chapter 20, Problem 20.64SP , additional homework tip  1

The high field complex ion possesses eight d-electrons and the two electrons are unpaired and exhibits paramagnetic.

(c)

Interpretation Introduction

Interpretation:

To determine the magnetic property of the given compounds.

Concept Introduction:

Spectrochemical series: The list of ligands arranged in an ascending order of (Δ)(the splitting of d-orbitals in presence of various ligands).

I-<Br-<SCN-<Cl-<S2-<F-<OH-<O2-<H2O<NCS-<edta4-<NH3<  en<NO2-<CN-<COweak-fieldincreasing(Δ)strong-fieldligandsligands

Crystal field splitting: The energy gap between the splitting of d-orbitals of the metal ion in presence of ligands is known as the crystal field splitting (Δ). The magnitude of (Δ) is depends on the nature of metal ions and the ligands.

To Identify: To determine the magnetic property of the given compounds.

(c)

Expert Solution
Check Mark

Answer to Problem 20.64SP

The square-planar geometry will be diamagnetic in nature.

Explanation of Solution

Interpret the given information.

In complex ion of Cu3+, the square-planar geometry is;

General Chemistry, Chapter 20, Problem 20.64SP , additional homework tip  2

In complex ion of Cu3+, the square-planar geometry possesses no unpaired electrons and the complex exhibit diamagnetic.

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Chapter 20 Solutions

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