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Chemistry

9th Edition
Steven S. Zumdahl
ISBN: 9781133611097

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BuyFindarrow_forward

Chemistry

9th Edition
Steven S. Zumdahl
ISBN: 9781133611097
Textbook Problem

Name the following complex ions.

a. Ru(NH3)5Cl2+

b. Fe(CN)64−

c. Mn(NH2CH2CH2NH2)32+

d. Co(NH3)5NO22+

e. Ni(CN)42−

f. Cr(NH3)4Cl2+

g. Fe(C2O4)33−

h. Co(SCN)2(H2O)4+

(a)

Interpretation Introduction

Interpretation: The name of the given complex ions is to be stated.

Concept introduction: Rules followed in the naming of coordination compound:

  • In the naming of coordination compound, the name of anion (ligand) comes first. Metal ion is named second, which is the name of element.
  • An ‘o’ is added to the root name of anion.
  • Greek prefix is used to express the number of ligands.
  • Roman numeral is used to denote the oxidation state of metal ion.
  • In case of more than one type of ligand present in a compound, they are named alphabetically.
  • The suffix ‘-ate’ is added to metal ion if complex ion contains negative charge. Latin names are also used to identify the name of metals.

To determine: The name of the complex ion  [Ru(NH3)5Cl]2+

Explanation

Explanation

The complex ion is [Ru(NH3)5Cl]2+. This ion contains positive charge.

Oxidation state of Chlorine (Cl) is 1.

Oxidation state of Ammonia (NH3) is 0.

It is assumed that the oxidation state of metal ion Ruthenium (Ru) is x.

The given complex compound contains five Ammonia ions and a Chlorine ion

(b)

Interpretation Introduction

Interpretation: The name of the given complex ions is to be stated.

Concept introduction: Rules followed in the naming of coordination compound:

  • In the naming of coordination compound, the name of anion (ligand) comes first. Metal ion is named second, which is the name of element.
  • An ‘o’ is added to the root name of anion.
  • Greek prefix is used to express the number of ligands.
  • Roman numeral is used to denote the oxidation state of metal ion.
  • In case of more than one type of ligand present in a compound, they are named alphabetically.
  • The suffix ‘-ate’ is added to metal ion if complex ion contains negative charge. Latin names are also used to identify the name of metals.

To determine: The name of the complex ion [Fe(CN)6]4

(c)

Interpretation Introduction

Interpretation: The name of the given complex ions is to be stated.

Concept introduction: Rules followed in the naming of coordination compound:

  • In the naming of coordination compound, the name of anion (ligand) comes first. Metal ion is named second, which is the name of element.
  • An ‘o’ is added to the root name of anion.
  • Greek prefix is used to express the number of ligands.
  • Roman numeral is used to denote the oxidation state of metal ion.
  • In case of more than one type of ligand present in a compound, they are named alphabetically.
  • The suffix ‘-ate’ is added to metal ion if complex ion contains negative charge. Latin names are also used to identify the name of metals.

To determine: The name of the complex ion [Mn(NH2CH2CH2NH2)3]2+

(d)

Interpretation Introduction

Interpretation: The name of the given complex ions is to be stated.

Concept introduction: Rules followed in the naming of coordination compound:

  • In the naming of coordination compound, the name of anion (ligand) comes first. Metal ion is named second, which is the name of element.
  • An ‘o’ is added to the root name of anion.
  • Greek prefix is used to express the number of ligands.
  • Roman numeral is used to denote the oxidation state of metal ion.
  • In case of more than one type of ligand present in a compound, they are named alphabetically.
  • The suffix ‘-ate’ is added to metal ion if complex ion contains negative charge. Latin names are also used to identify the name of metals.

To determine: The name of the complex ion [Co(NH3)5NO2]2+

(e)

Interpretation Introduction

Interpretation: The name of the given complex ions is to be stated.

Concept introduction: Rules followed in the naming of coordination compound:

  • In the naming of coordination compound, the name of anion (ligand) comes first. Metal ion is named second, which is the name of element.
  • An ‘o’ is added to the root name of anion.
  • Greek prefix is used to express the number of ligands.
  • Roman numeral is used to denote the oxidation state of metal ion.
  • In case of more than one type of ligand present in a compound, they are named alphabetically.
  • The suffix ‘-ate’ is added to metal ion if complex ion contains negative charge. Latin names are also used to identify the name of metals.

To determine: The name of the complex ion  [Ni(CN)4]2

(f)

Interpretation Introduction

Interpretation: The name of the given complex ions is to be stated.

Concept introduction: Rules followed in the naming of coordination compound:

  • In the naming of coordination compound, the name of anion (ligand) comes first. Metal ion is named second, which is the name of element.
  • An ‘o’ is added to the root name of anion.
  • Greek prefix is used to express the number of ligands.
  • Roman numeral is used to denote the oxidation state of metal ion.
  • In case of more than one type of ligand present in a compound, they are named alphabetically.
  • The suffix ‘-ate’ is added to metal ion if complex ion contains negative charge. Latin names are also used to identify the name of metals.

To determine: The name of the complex ion [Cr(NH3)4(Cl)2]+.

(g)

Interpretation Introduction

Interpretation: The name of the given complex ions is to be stated.

Concept introduction: Rules followed in the naming of coordination compound:

  • In the naming of coordination compound, the name of anion (ligand) comes first. Metal ion is named second, which is the name of element.
  • An ‘o’ is added to the root name of anion.
  • Greek prefix is used to express the number of ligands.
  • Roman numeral is used to denote the oxidation state of metal ion.
  • In case of more than one type of ligand present in a compound, they are named alphabetically.
  • The suffix ‘-ate’ is added to metal ion if complex ion contains negative charge. Latin names are also used to identify the name of metals.

To determine: The name of the complex ion [Fe(C2O4)3]3

(h)

Interpretation Introduction

Interpretation: The name of the given complex ions is to be stated.

Concept introduction: Rules followed in the naming of coordination compound:

  • In the naming of coordination compound, the name of anion (ligand) comes first. Metal ion is named second, which is the name of element.
  • An ‘o’ is added to the root name of anion.
  • Greek prefix is used to express the number of ligands.
  • Roman numeral is used to denote the oxidation state of metal ion.
  • In case of more than one type of ligand present in a compound, they are named alphabetically.
  • The suffix ‘-ate’ is added to metal ion if complex ion contains negative charge. Latin names are also used to identify the name of metals.

To determine: The name of the complex ion [Co(SCN)2(H2O)4]+

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