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NEET-XII-Chemistry

09: Coordination Compounds

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  • #3
    Indicate the types of isomerism exhibited by the following complexes and

    draw the structures for these isomers:


    1. K[Cr(H2O)2(C2O4)2

    2. [Co(en)3]Cl3

    3. [Co(NH3)5(NO2)](NO3)2

    4. [Pt(NH3)(H2O)Cl2]

    Ans :

    1. Both geometrical (cis-, trans-) isomers for can exist. Also, optical isomers for cis-isomer exist.




    Trans-isomer is optically inactive. On the other hand, cis-isomer is optically active.



    (ii) Two optical isomers for exist.



    Two optical isomers are possible for this structure.



    (iii)

    A pair of optical isomers:



    It can also show linkage isomerism.

    and

    It can also show ionization isomerism.



    (iv) Geometrical (cis-, trans-) isomers of can exist.