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Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

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BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

The glycinate ion, H2NCH2CO2, formed by deprotonation of the amino acid glycine, can function as a bidentate ligand, coordinating to a metal through the nitrogen of the amino group and one of the oxygen atoms.

Glycinate ion, a bidentate ligand

images

A copper complex of this ligand has the formula Cu(H2NCH2CO2)2(H2O)2. For this complex, determine the following:

(a) the oxidation state of copper

(b) the coordination number of copper

(c) the number of unpaired electrons

(d) whether the complex is diamagnetic or paramagnetic

(a)

Interpretation Introduction

Interpretation: The given questions to be answered.

Concept introduction:

Spectrochemical series:  A list of ligands ordered in the basis of ligand strength.

I-<Br-<Cl-<F-< OH-< H2O < NH3< en <CN-<CO

Paramagnetic property: The presence of unpaired electrons in the electronic configuration of the metal ion in coordination complex.

Diamagnetic property: The absence of unpaired electrons of the metal ion in coordination compound which do repel by the magnet.

Explanation

Cu(H2NCH2CO2)2(H2O)2Theoxidationstateofcopper:Chargeofligand(H2NCH2CO2)=-1

b.

Interpretation Introduction

Interpretation: The given questions to be answered.

Concept introduction:

Spectrochemical series:  A list of ligands ordered in the basis of ligand strength.

I-<Br-<Cl-<F-< OH-< H2O < NH3< en <CN-<CO

Paramagnetic property: The presence of unpaired electrons in the electronic configuration of the metal ion in coordination complex.

Diamagnetic property: The absence of unpaired electrons of the metal ion in coordination compound which do repel by the magnet.

c.

Interpretation Introduction

Interpretation: The given questions to be answered.

Concept introduction:

Spectrochemical series:  A list of ligands ordered in the basis of ligand strength.

I-<Br-<Cl-<F-< OH-< H2O < NH3< en <CN-<CO

Paramagnetic property: The presence of unpaired electrons in the electronic configuration of the metal ion in coordination complex.

Diamagnetic property: The absence of unpaired electrons of the metal ion in coordination compound which do repel by the magnet.

d.

Interpretation Introduction

Interpretation: The given questions to be answered.

Concept introduction:

Spectrochemical series:  A list of ligands ordered in the basis of ligand strength.

I-<Br-<Cl-<F-< OH-< H2O < NH3< en <CN-<CO

Paramagnetic property: The presence of unpaired electrons in the electronic configuration of the metal ion in coordination complex.

Diamagnetic property: The absence of unpaired electrons of the metal ion in coordination compound which do repel by the magnet.

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