Coordination Compounds - Summary Notes
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Coordination Compounds - Summary Notes

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Questions and Answers

Which factor primarily influences the conductivity of a coordination compound?

  • The size of the ligand.
  • The number and charge of the ions in solution. (correct)
  • The molecular weight of the compound.
  • The temperature of the solution.

    • How are ligands classified?

  • Based on their molecular weight.
  • By their charge and bonding capability. (correct)
  • According to their size relative to the central atom.
  • By the temperature at which they bond.

    • Which type of electrolyte refers to a coordination compound that produces three ions of both the complex and the counter ion?

  • 4:4 electrolyte.
  • 3:3 electrolyte. (correct)
  • 1:1 electrolyte.
  • 2:2 electrolyte.

    • Which statement best describes the role of ligands in coordination compounds?

    <p>Ligands can donate multiple electron pairs to bond with metals.</p> Signup and view all the answers

    What does the term 'polydentate ligand' refer to?

    <p>A ligand that can donate more than one electron pair to the central atom.</p> Signup and view all the answers

    Which of the following statements is NOT true about double salts?

    <p>They consist solely of neutral ligands.</p> Signup and view all the answers

    What is the minimum number of donor atoms a bidentate ligand must possess?

    <p>Two</p> Signup and view all the answers

    What determines the primary valence of a central metal ion in a coordination compound?

    <p>The charge on the central metal ion</p> Signup and view all the answers

    How is the secondary valence of a metal ion defined in coordination compounds?

    <p>The number of ligands directly attached to the metal</p> Signup and view all the answers

    What happens to coordination compounds upon dissociation in solution?

    <p>Only the free ions outside the brackets dissociate</p> Signup and view all the answers

    When silver nitrate is added to a coordination compound containing chloride ions, what is formed?

    <p>Silver Chloride precipitate</p> Signup and view all the answers

    In the coordination compound K4[Fe(CN)6], what is the primary valence of the iron (Fe)?

    <p>+2</p> Signup and view all the answers

    Which type of ligand donates only one electron pair to the central metal atom?

    <p>Monodentate</p> Signup and view all the answers

    What is the typical coordination number for many coordination compounds?

    <p>6</p> Signup and view all the answers

    Which ligand type can donate two electron pairs to the central metal ion?

    <p>Bidentate</p> Signup and view all the answers

    Study Notes

    Coordination Compound Conductivity

    • The nature of the ligands plays a key role in determining the conductivity of a coordination compound.

    Ligand Classification

    • Ligands are classified based on the number of donor atoms they possess:
      • Monodentate ligands donate one electron pair to the central metal atom.
      • Bidentate ligands donate two electron pairs to the central metal atom.
      • Polydentate ligands donate more than two electron pairs to the central metal atom.

    Electrolyte Types

    • A coordination compound that produces three ions of both the complex and the counter ion is classified as a 3:3 electrolyte.

    Ligand Role

    • Ligands in coordination compounds act as electron pair donors, forming coordinate covalent bonds with the central metal atom.

    Polydentate Ligands

    • Polydentate ligands are ligands that can bind to a central metal atom through multiple donor atoms.

    Double Salts

    • Double salts do NOT contain a complex ion.

    Bidentate Ligands

    • Bidentate ligands must possess a minimum of two donor atoms to bind to the central metal atom.

    Primary Valence

    • The primary valence of a central metal ion in a coordination compound is determined by its oxidation state.

    Secondary Valence

    • The secondary valence of a metal ion in coordination compounds refers to the number of ligands attached to the central metal atom.

    Coordination Compound Dissociation

    • Coordination compounds dissociate in solution into their constituent ions, with the complex ion remaining as a single unit.

    Silver Nitrate Reaction

    • When silver nitrate is added to a coordination compound containing chloride ions, a white precipitate of silver chloride (AgCl) is formed.

    Primary Valence in K4[Fe(CN)6]

    • In the coordination compound K4[Fe(CN)6], the primary valence of the iron (Fe) is +2.

    Monodentate Ligands

    • Monodentate ligands are ligands that donate only one electron pair to the central metal atom.

    Coordination Number

    • The typical coordination number for many coordination compounds is 4 or 6.

    Bidentate Ligands

    • Bidentate ligands can donate two electron pairs to the central metal ion.

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    Description

    This quiz covers the essential concepts of coordination compounds, including IUPAC nomenclature and bonding theories. It also delves into isomerism and provides strategies for effective study. Ideal for CBSE Science students to review the complete NCERT syllabus and previous year questions.

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