Coordination Compounds

Short Answer Type

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Explain why chelating complex is more stable than unchelated complex?

Chelating ligand can form a ring with central metal. Therefore it have ability to regulate electron with in ring. Because of it there is more force of attraction between central metal ion chelating agent, therefore, they are more stable.
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    Write IUPAC name of K3[Fe(C2O4)3].

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    [Fe(CN)6]3– is weakly paramagnetic while [Fe(CNO)6]4– is diamagnetic, why?
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    Give two complexes which are used in medicines.

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    A coordination compound has the formula CoCl3.4NH3. It does not liberate NH3 but forms a precipitate of AgCl on treatment with AgNO3 solution. Write the structure and IUPAC name of the complex.

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    Write the IUPAC name for  [Cr(NH3)5 CO3]Cl.

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    Write down the IUPAC names of the following compounds:

    (i) [CO(NH3)5ONO ]Cl2     
    (ii) K3[    Cr(CN)6]

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    Draw cis- and trans-isomers of [Pt(NH3)2Cl2].

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    Which of the two is more stable K4[Fe(CN)6] or K3[Fe(CN)6].

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    Give the name of a bidentate ligand.
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