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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

Diethylenetriamine (dien) is capable of serving as a tridentate ligand.

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Diethylenetriamine, dien

(a) Draw the structures of fac-Cr(dien)Cl3 and mer-Cr(dien)Cl3.

(b) Two different geometric isomers of mer-Cr(dien)Cl2Br are possible. Draw the structure for each.

(c) Three different geometric isomers are possible for [Cr(dien)2]3+. Two have the dien ligand in a fac configuration, and one has the ligand in a mer orientation. Draw the structure of each isomer.

(a)

Interpretation Introduction

Interpretation: The structures of facCr(dien)Cl3 and merCr(dien)2Cl2Br has to be drawn.

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.

Isomerism: Two chemical compounds are said to be isomers if they have same number and kind of atoms but different only in their orientation that is structural arrangements.

There are different types of isomerism in which geometric is of one type where the rotation around the atom is restricted like in cis-trans configuration. This is also refereed as cis-trans isomerism.

Explanation

The structures of facCr(dien)Cl3andmerCr(dien)Cl3are shown below,

(b)

Interpretation Introduction

Interpretation: The two different geometric isomers of merCr(dien)Cl3 has to be drawn.

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.

Isomerism: Two chemical compounds are said to be isomers if they have same number and kind of atoms but different only in their orientation that is structural arrangements.

There are different types of isomerism in which geometric is of one type where the rotation around the atom is restricted like in cis-trans configuration. This is also refereed as cis-trans isomerism.

(c)

Interpretation Introduction

Interpretation: The two different geometric isomers of [Cr(dien)2]3+ has to be drawn.

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.

Isomerism: Two chemical compounds are said to be isomers if they have same number and kind of atoms but different only in their orientation that is structural arrangements.

There are different types of isomerism in which geometric is of one type where the rotation around the atom is restricted like in cis-trans configuration. This is also refereed as cis-trans isomerism.

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