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Coordination Compounds

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Werner's Theory of Coordination Compounds

Subtopic

Werner's Theory of Coordination Compounds under Coordination Compounds for Grade 12 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which complex will produce a white precipitate of 2 moles of AgClAgCl when treated with an excess of silver nitrate (AgNO3AgNO_3) solution?

    A.

    [Co(NH3)6]Cl3[Co(NH_3)_6]Cl_3

    B.

    [Co(NH3)4Cl2]Cl[Co(NH_3)_4Cl_2]Cl

    C.

    [Co(NH3)3Cl3][Co(NH_3)_3Cl_3]

    D.

    [Co(NH3)5Cl]Cl2[Co(NH_3)_5Cl]Cl_2

  2. 2.

    Which of the following statements regarding the secondary valency in Werner's theory is CORRECT?

    A.

    It is ionizable in aqueous solution.

    B.

    It is satisfied only by negative ions.

    C.

    It is non-ionizable and represents the coordination number.

    D.

    It is represented by dotted lines in Werner's structures.

  3. 3.

    In the coordination compound [Co(NH3)6]Cl3[Co(NH_3)_6]Cl_3, how many ions are produced when one molecule of the compound is dissolved in water?

    A.

    2

    B.

    3

    C.

    4

    D.

    6

Download the worksheet for Coordination Compounds - Werner's Theory of Coordination Compounds to practice offline. It includes additional chapter-level practice questions.

Definitions of Some Important Terms

Subtopic

Definitions of Some Important Terms under Coordination Compounds for Grade 12 CBSE.

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Preview questions (no answers)

  1. 1.

    A ligand that possesses two different donor atoms and can bind to the central metal through either of them is called a/an:

    A.

    Didentate ligand

    B.

    Ambidentate ligand

    C.

    Chelating ligand

    D.

    Polydentate ligand

  2. 2.

    What is the oxidation state of the central metal ion in the coordination entity [Fe(CN)6]4−[Fe(CN)_6]^{4-}?

    A.

    +3+3

    B.

    +2+2

    C.

    +4+4

    D.

    00

  3. 3.

    The spatial arrangement of the ligand atoms which are directly attached to the central atom/ion is defined as the:

    A.

    Coordination number

    B.

    Coordination polyhedron

    C.

    Coordination sphere

    D.

    Oxidation state

Download the worksheet for Coordination Compounds - Definitions of Some Important Terms to practice offline. It includes additional chapter-level practice questions.

Nomenclature of Coordination Compounds

Subtopic

Nomenclature of Coordination Compounds under Coordination Compounds for Grade 12 CBSE.

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Preview questions (no answers)

  1. 1.

    What is the IUPAC name for [Pt(NH3)2Cl2][Pt(NH_3)_2Cl_2]?

    A.

    Dichloridodiammineplatinum(II)

    B.

    Diamminedichloridoplatinum(II)

    C.

    Diamminedichloridoplatinum(IV)

    D.

    Platinum(II) diamminedichloride

  2. 2.

    Which of the following is the correct IUPAC name for the neutral complex [Ni(CO)4][Ni(CO)_4]?

    A.

    Tetracarbonylnickel(0)

    B.

    Tetracarbonylnickelate(0)

    C.

    Tetracarbonylnickel(II)

    D.

    Nickel tetracarbonyl

  3. 3.

    The correct IUPAC name for K4[Fe(CN)6]K_4[Fe(CN)_6] is:

    A.

    Potassium hexacyanidoferrate(III)

    B.

    Potassium hexacyanidoiron(II)

    C.

    Potassium hexacyanidoferrate(II)

    D.

    Tetrapotassium hexacyanidoferrate(II)

Download the worksheet for Coordination Compounds - Nomenclature of Coordination Compounds to practice offline. It includes additional chapter-level practice questions.

Isomerism in Coordination Compounds

Subtopic

Isomerism in Coordination Compounds under Coordination Compounds for Grade 12 CBSE.

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Preview questions (no answers)

  1. 1.

    Which type of isomerism arises from the interchange of ligands between cationic and anionic entities of different metal ions present in a complex, as shown in the structural classification below?

    A.

    Linkage isomerism

    B.

    Coordination isomerism

    C.

    Solvate isomerism

    D.

    Ionization isomerism

  2. 2.

    Geometrical isomerism is generally NOT observed in which of the following complex geometries for the formula MA2B2MA_2B_2?

    A.

    Square planar

    B.

    Octahedral

    C.

    Tetrahedral

    D.

    Both Square planar and Octahedral

  3. 3.

    The pair of complexes [Co(NH3)5SO4]Br[Co(NH_3)_5SO_4]Br and [Co(NH3)5Br]SO4[Co(NH_3)_5Br]SO_4 are examples of which type of isomerism?

    A.

    Linkage isomerism

    B.

    Ionization isomerism

    C.

    Coordination isomerism

    D.

    Solvate isomerism

Download the worksheet for Coordination Compounds - Isomerism in Coordination Compounds to practice offline. It includes additional chapter-level practice questions.

Bonding in Coordination Compounds (VBT and CFT)

Subtopic

Bonding in Coordination Compounds (VBT and CFT) under Coordination Compounds for Grade 12 CBSE.

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Preview questions (no answers)

  1. 1.

    What is the hybridization of the central metal ion in the inner orbital complex [Co(NH3)6]3+[Co(NH_3)_6]^{3+}?

    A.

    sp3d2sp^3d^2

    B.

    sp3dsp^3d

    C.

    d2sp3d^2sp^3

    D.

    dsp2dsp^2

  2. 2.

    The complex ion [Ni(CN)4]2−[Ni(CN)_4]^{2-} is found to be diamagnetic. Based on VBT, what is the hybridization of the nickel ion?

    A.

    sp3sp^3

    B.

    dsp2dsp^2

    C.

    sp3dsp^3d

    D.

    d2sp3d^2sp^3

  3. 3.

    Which of the following ligands is expected to cause the maximum crystal field splitting (Deltao\\Delta_o)?

    A.

    Cl−Cl^-

    B.

    H2OH_2O

    C.

    NH3NH_3

    D.

    CN−CN^-

Download the worksheet for Coordination Compounds - Bonding in Coordination Compounds (VBT and CFT) to practice offline. It includes additional chapter-level practice questions.

Bonding in Metal Carbonyls

Subtopic

Bonding in Metal Carbonyls under Coordination Compounds for Grade 12 CBSE.

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Preview questions (no answers)

  1. 1.

    During the formation of a σ\sigma-bond in metal carbonyls, the lone pair of electrons is donated to the vacant orbital of the metal from which atom of the COCO ligand?

    A.

    Carbon atom

    B.

    Oxygen atom

    C.

    Both Carbon and Oxygen equally

    D.

    Neither, it is a coordinate bond from the metal

  2. 2.

    Which of the following geometries is correctly associated with the metal carbonyl [Ni(CO)4][Ni(CO)_4]?

    A.

    Octahedral

    B.

    Square planar

    C.

    Tetrahedral

    D.

    Trigonal bipyramidal

  3. 3.

    What is the oxidation state of the central metal atom in the coordination compound [Fe(CO)5][Fe(CO)_5]?

    A.

    +2

    B.

    0

    C.

    +3

    D.

    -2

Download the worksheet for Coordination Compounds - Bonding in Metal Carbonyls to practice offline. It includes additional chapter-level practice questions.

Coordination Compounds - Class 12 Chemistry (CBSE) | Krit.club