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    Coordination Compounds

    Multiple Choice QuestionsTrue Or False

    241. In Ni(CO)4 and Fe(CO)5 the oxidation state of Nickel is in the zero state only.
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    242. [Co(NO3)(NH3)5]SO4 and [Co(NO3)(NH3)4(SO4)](NH3) is  example of ionization isomer.
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    243.

    In a complex [Fe(CN)6]4–, Fe is sp3d2 hybridised and the complex is diamagnetic.

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    244. In [Zn(H2O)6]2+, the oxidation number of Zn is zero.
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    245.

    Trien is an example of terdentate ligand.

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    246.

    State whether the following statements are True or False:

    A.

    Trien is an example of terdentate ligand.

    B.

    The IUPAC name of [PtCl2(NH2CH2CH2 NH2)2](NO3), is dichloro bis (1, 2-ethane diamine) plaiinum (IV) dinitrate.

    C.

    NH3 and H2O both are monodentate ligands.

    D.

    Chelating ligands form more stable complexes than monodentate ligands.

    E.

    Transition metal ions form complexes because they have empty orbitals.

    F.

    A bidentate ligand has 3 coordination sites.

    G.

    Tetrahedral complexes do not have geometric isomers.

    H.

    The IUPAC name of [CuCl4]2– is tetrachloro cuprate(II).
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    Multiple Choice QuestionsMultiple Choice Questions

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    247. The oxidation number and the coordination number of chromium in [Cr(C2O4)3]3–respectively is
    • +3, 3  
    • –3, 3
    • +3, 6
    • –3, 6

    C.

    +3, 6
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    248.

    Which of the following complex will show only optical isomerism?

    • [CoCl2(NH3)4]+
    • [Co(NH3)2(en)2]3+
    • [Co(C2O4)3]3–
    • All of the above
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    249. The oxidation state of iron in [Fe(H2O)5 (NO)]SO4 is
    • +1

    • + 2

    • + 4 

    • + 3

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    250.

    Which of the following complex is a low spin complex?

    • [NiCl4]2–
    • [Fe(H2O)6]3+
    • [Co(CO)4]–
    • All are low spin.
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