Cordination Chemistry
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Questions and Answers

What can be predicted using the value of magnetic moment in a metal complex?

  • The number of unpaired electrons present (correct)
  • The oxidation state of the metal
  • The type of hybridization involved
  • The type of ligand involved

    • What is the primary difference between strong field and weak field ligands?

  • The type of metal ion involved
  • The geometry of the complex formed
  • The number of unpaired electrons
  • The ability to force electron pairing (correct)

    • What is the shape of the complex [Ni(CN)4]^2-?

  • Square planar (correct)
  • Tetrahedral
  • Octahedral
  • Linear

    • What is the hybridization involved in the complex [Ni(NH3)6]^2+?

    <p>sp^3d^2</p> Signup and view all the answers

    Why did the Valence Bond Theory fail to explain the properties of metal complexes?

    <p>All of the above</p> Signup and view all the answers

    What determines the extent of splitting of the degenerate d-orbitals of the metal atom?

    <p>The nature and number of ligands</p> Signup and view all the answers

    What is the effective atomic number (EAN) of the complex [Cu(NH3)4]2+?

    <p>35</p> Signup and view all the answers

    Which of the following complexes has a trigonal bipyramidal geometry?

    <p>[Cu][NH3]3</p> Signup and view all the answers

    What is the relationship between the energy gap between the split energy levels and the magnetic properties of the complex?

    <p>The energy gap determines the magnetic properties</p> Signup and view all the answers

    What is the oxidation state of the metal atom in the complex [Ag(NH3)2]Cl+?

    <p>+1</p> Signup and view all the answers

    What is the primary reason for the decrease in color intensity of Turnbull's blue compared to Prussian blue?

    <p>Presence of a white compound of the formula K2{Fe[Fe(CN)6]}</p> Signup and view all the answers

    Which of the following best explains the thermodynamic stability of a complex with a cyclic polydentate ligand?

    <p>Macrocyclic effect</p> Signup and view all the answers

    What is the primary reason why certain geometries are more favored than others by certain metals in complexes?

    <p>Crystal field stabilization energies</p> Signup and view all the answers

    What is the term used to describe the process in which a substance prevents another substance from reacting?

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

    What is the primary reason why certain transitions between d orbitals occur in complexes?

    <p>Electronic transitions between the various d orbitals of different energies</p> Signup and view all the answers

    What is the characteristic of the ligands arranged left to NH3 in organometallic compounds?

    <p>They are weaker</p> Signup and view all the answers

    What type of bond is present in the compound [Cr(η-C6H6)2]?

    <p>π-bonded</p> Signup and view all the answers

    What is the result of the reaction between PtCl2 and en?

    <p>Formation of [Pt(en)2Cl2]</p> Signup and view all the answers

    What is the characteristic of the redox reactions in organometallic compounds?

    <p>Either oxidation or reduction is involved</p> Signup and view all the answers

    What is the type of organometallic bond present in the compound (C2H5)2Zn?

    <p>Zn-C</p> Signup and view all the answers

    What type of bonding is present in Ferrocene?

    <p>π-bonded</p> Signup and view all the answers

    What is the name of the catalyst used for the hydrogenation of alkenes?

    <p>Wilkinson's catalyst</p> Signup and view all the answers

    What type of ligand is EDTA?

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

    What is the name of the reaction that involves the chemical change in the given text?

    <p>Badecker reaction</p> Signup and view all the answers

    What type of organometallic compounds are formed between metal and carbon monoxide?

    <p>Metal carbonyls</p> Signup and view all the answers

    Which type of ligand forms more stable complexes as compared to monodentate ligands?

    <p>Chelating ligands</p> Signup and view all the answers

    What is the characteristic of a σ-bonded organometallic compound?

    <p>Contains a metal-carbon bond</p> Signup and view all the answers

    Which of the following is an example of a π-complex?

    <p>C6H5Fe(CO)3</p> Signup and view all the answers

    What is the result of the reaction between [Cu(H2O)4]2+ and NH3?

    <p>A ligand substitution reaction occurs</p> Signup and view all the answers

    What is the classification of compounds that contain a metal atom or a metalloid directly linked to a carbon atom of a hydrocarbon radical or molecule?

    <p>Organometallic compounds</p> Signup and view all the answers

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