
Concept explainers
(a)
Interpretation: The name or formula of the given ions or compounds has to be determined.
Concept introduction:
Coordination compounds: The compounds having coordination covalent bonds which form when metal ions react with polar molecules or anions.
Ligands: The ions or molecules that forms coordination covalent bond with metal ions in a coordination compound. Ligands should have minimum one lone pair of electron, where it donates two electrons to the metal. Metal atom accepts the electron pair from a ligand forming a coordination bond.
Monodentate ligand is ligands which donate only one pair of electrons to form bond with metal. It only makes one bond with metal. Polydentate ligand forms two or more coordination bond with metal ions to form a complex.
Oxidation number: The total number of electrons in an atom after losing or gaining electrons to make a bond with another atom. It indicates the charge of an ion.
The rule to name a coordination complex is,
- 1. The cation is named before the anion.
- 2. Within a complex ion, the Ligands are arranged in an alphabetical order followed by the metal ion name. The anionic Ligand should ends with a letter –o, the neutral Ligand are called by the molecules (some common name for some exception).
- 3. When more Ligands are present, Greek prefixes like di, tri, tetra, penta, and hexa to specify their number.
- 4. The oxidation number of the metal is represented in roman numerals immediately following the metal ion name.
- 5. If the complex ion is an anion, the metal name should end with –ate.
Spectrochemical series: The list of ligands arranged in an ascending order of
(a)

Answer to Problem 18PS
The formula is
Explanation of Solution
The oxidation state of central metal atom
The ligands can be written as,
The oxidation state is,
The complex is neutral
Therefore,
According to spectrochemical series,
The formula of the complex is,
(b)
Interpretation: The name or formula of the given ions or compounds has to be determined.
Concept introduction:
Coordination compounds: The compounds having coordination covalent bonds which form when metal ions react with polar molecules or anions.
Ligands: The ions or molecules that forms coordination covalent bond with metal ions in a coordination compound. Ligands should have minimum one lone pair of electron, where it donates two electrons to the metal. Metal atom accepts the electron pair from a ligand forming a coordination bond.
Monodentate ligand is ligands which donate only one pair of electrons to form bond with metal. It only makes one bond with metal. Polydentate ligand forms two or more coordination bond with metal ions to form a complex.
Oxidation number: The total number of electrons in an atom after losing or gaining electrons to make a bond with another atom. It indicates the charge of an ion.
The rule to name a coordination complex is,
The cation is named before the anion.
- 1. Within a complex ion, the Ligands are arranged in an alphabetical order followed by the metal ion name. The anionic Ligand should ends with a letter –o, the neutral Ligand are called by the molecules (some common name for some exception).
- 2 When more Ligands are present, Greek prefixes like di, tri, tetra, penta, and hexa to specify their number.
- 3 The oxidation number of the metal is represented in roman numerals immediately following the metal ion name.
- 4 If the complex ion is an anion, the metal name should end with –ate.
Spectrochemical series: The list of ligands arranged in an ascending order of
(b)

Answer to Problem 18PS
The name is
Explanation of Solution
The ligands are arranged in an alphabetical order, followed by the metal name (chromium). There are five
The ligands can be written as,
The oxidation state of central metal atom
Therefore,
The name of the ion is,
(c)
Interpretation: The name or formula of the given ions or compounds has to be determined.
Concept introduction:
Coordination compounds: The compounds having coordination covalent bonds which form when metal ions react with polar molecules or anions.
Ligands: The ions or molecules that forms coordination covalent bond with metal ions in a coordination compound. Ligands should have minimum one lone pair of electron, where it donates two electrons to the metal. Metal atom accepts the electron pair from a ligand forming a coordination bond.
Monodentate ligand is ligands which donate only one pair of electrons to form bond with metal. It only makes one bond with metal. Polydentate ligand forms two or more coordination bond with metal ions to form a complex.
Oxidation number: The total number of electrons in an atom after losing or gaining electrons to make a bond with another atom. It indicates the charge of an ion.
The rule to name a coordination complex is,
The cation is named before the anion.
- 2. Within a complex ion, the Ligands are arranged in an alphabetical order followed by the metal ion name. The anionic Ligand should ends with a letter –o, the neutral Ligand are called by the molecules (some common name for some exception).
- 5 When more Ligands are present, Greek prefixes like di, tri, tetra, penta, and hexa to specify their number.
- 6 The oxidation number of the metal is represented in roman numerals immediately following the metal ion name.
- 7 If the complex ion is an anion, the metal name should end with –ate.
Spectrochemical series: The list of ligands arranged in an ascending order of
(c)

Answer to Problem 18PS
The formula is
Explanation of Solution
The oxidation state of central metal atom
The ligands can be written as,
The charge of the complex is
Therefore,
According to spectrochemical series,
The formula of the complex is,
(d)
Interpretation: The name or formula of the given ions or compounds has to be determined.
Concept introduction:
Coordination compounds: The compounds having coordination covalent bonds which form when metal ions react with polar molecules or anions.
Ligands: The ions or molecules that forms coordination covalent bond with metal ions in a coordination compound. Ligands should have minimum one lone pair of electron, where it donates two electrons to the metal. Metal atom accepts the electron pair from a ligand forming a coordination bond.
Monodentate ligand is ligands which donate only one pair of electrons to form bond with metal. It only makes one bond with metal. Polydentate ligand forms two or more coordination bond with metal ions to form a complex.
Oxidation number: The total number of electrons in an atom after losing or gaining electrons to make a bond with another atom. It indicates the charge of an ion.
The rule to name a coordination complex is,
The cation is named before the anion.
- Within a complex ion, the Ligands are arranged in an alphabetical order followed by the metal ion name. The anionic Ligand should ends with a letter –o, the neutral Ligand are called by the molecules (some common name for some exception).
- When more Ligands are present, Greek prefixes like di, tri, tetra, penta, and hexa to specify their number.
- The oxidation number of the metal is represented in roman numerals immediately following the metal ion name.
- If the complex ion is an anion, the metal name should end with –ate.
Spectrochemical series: The list of ligands arranged in an ascending order of
(d)

Answer to Problem 18PS
The name is
Explanation of Solution
The ligands are arranged in an alphabetical order, followed by the metal name (iron). There are three
The ligands can be written as,
The oxidation state is,
The oxidation state of central metal atom
Therefore,
The name of the ion is,
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Chapter 22 Solutions
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- Part I. Draw reaction mechanism for the transformations of benzophenone to benzopinacol to benzopinaco lone and answer the ff: a) Give the major reason for the exposure of benzophenone al isopropyl alcohol (w/acid) to direct sunlight of pina colone Mechanism For b) Pinacol (2,3-dimethy 1, 1-3-butanediol) on treatment w/ acid gives a mixture (3,3-dimethyl-2-butanone) and 2, 3-dimethyl-1,3-butadiene. Give reasonable the formation of the productsarrow_forwardwhat are the Iupac names for each structurearrow_forwardWhat are the IUPAC Names of all the compounds in the picture?arrow_forward
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