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					Transition Metal Practice Problems

1. Name the following compounds:

         [Co(NH3)5Cl]Cl2 ________________________________________________



         [Ni(NH3)6]Br2 __________________________________________________



          [Co(en)2(H2O)CN]Cl2 ___________________________________________




2. Write the formula for each of the following complexes:

        diaquabis(oxalato)nickelate(II) ion ______________________


         sodium hexanitrocobaltate(III) ______________________


       dichlorobis(ethylenediamine)platinum(IV) sulfate ______________________


3. Draw and label cis and trans isomers of dichlorobis(ethylenediamine)cobalt(III) ion.
Start by writing the formula for this complex ion.




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4. For each of the following complexes, place the d electrons in the atomic orbital
   diagram as determined by crystal field theory.

      [Co(CN)6]3-                   [Fe(CN)6]3-                    [CoF6]3-

   _____ ______ eg                  _____ ____ eg                _____ ____ eg

____ ____ ______ t2g            ___ _____ ____ t2g           ____ _____ _____ t2g




5. Define the term geometric isomer and give an example of a compound which has a
   geometric isomer (hint: there’s one on the exam).




6. Define the term optical isomer and give an example of something in nature that
   exhibits these properties.




7. Write the oxidation state of the transition metal in the blank next to the complex:

  [Ni(C2O4)2(H2O)2]2- __________                    Pt (NH3)2Cl4 ___________

  [Co(en)2(NH3)Cl]2+ __________




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8. Name the following compounds:

  [Ni(H2O)6] SO4 ________________


  K [CuCl2] _________________


  K[Pt(NH3)Cl3] __________________


  Thinking about the structure determine the coordination number of the metal in

      Pt (NH3)2Cl4 ___________

  Thinking about the structure determine the coordination number of

  [Co(en)2(NO2)2]Cl ______________

  (hint: Draw the structure)



9. Name the following compounds:

Na2[FeEDTA] _______________________________________________


[Zn(NH3)4](NO3)2 _________________________________________________


[Al(H2O)5OH]Cl2______________________________________________________


[Rh(NH3)5Br]Br2 _______________________________________________________

10. Write the formula of the compounds from its name

Hexaaquanickel (II) sulfate __________________

Dichlorobis(ethylenediamine)chromium (III) chloride _____________________


Potassium tetrachlorocobaltate (II) __________________________




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11. Draw Lewis structures of the following assuming the proper geometry

cis-[Cr(NH3)4Cl2]+                          square planar [AuCl4]-




12. For each of the following complexes, place the d electrons in the atomic orbital
    diagram as determined by crystal field theory. Indicate if they are paramagnetic or
    diamagnetic.

      [Cr(NH3)6]3+           high spin [Fe(NH3)6]2+        low spin [Co(NH3)6]3+


   _____ ______ eg                  _____ ____ eg                _____ ____ eg

____ ____ ______ t2g             ___ _____ ____ t2g          ____ _____ _____ t2g




13. Draw Lewis Structures of the following assuming the proper geometry. Name the
    geometry below the Lewis Structure.

      [NiCl4]2-                                            [Ni(H2O)6]




  Geometry:                                                Geometry:



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