Transition Metals and Coordination Chemistry - CLAS

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					Transition Metals and
Coordination Chemistry
Ch. 19
Transition Metals and Coordination
Chemistry
1. Define:
    a. Lewis acid and Lewis base
    b. Ligand
    c. Chelate
    d. Coordination number
    e. Counter ion
    f. Isomer
Transition Metals and Coordination
Chemistry
2. Rank the following structural isomers by their conductivity in water.
        [Cr(H2O)6]Cl3
        [Cr(H2O)4Cl2]Cl•(H2O)2
        [Cr(H2O)5Cl]Cl2•H2O
Transition Metals and Coordination
Chemistry
3. Fill in the following table:

    Substance/Ion            Ox #   Coord. #   Name
     [Pt(NH3)3Br]+

    K[CoBrCl3(en)]

     [Ni(CO)4] Br2

Na[Mn(C2O4)2(CN)(NO2)]

 [Cu(NH3)4(H2O)2][PtI6]
Transition Metals and Coordination
Chemistry
4. Fill in the following table:

                          Name                          Formula
  Diamminedichloroethylendiaminechromium(III) sulfate

              lithium hexahydroxoferrate(III)

    Bis(ethylenediamine)oxalatomanganese(IV) nitrate

          potassium dibromodicyanoplatinate(II)
Transition Metals and Coordination
Chemistry
5. Fill in the following table:

        Substance             Types of Isomers   Pictures
       [Pt(NH3)2Br2]
      (square planar)
      [Co(H2O)4Cl2]
      [MnBr3(NO2)]
       (tetrahedral)
       [AuFClBrI]
       (tetrahedral)
       [Ni(en)2Cl2]
Transition Metals and Coordination
Chemistry
6. A solution is made by dissolving 0.875 g of Co(NH3)4Cl3 in 25.0 g
     of water. The solution freezes at -0.56 °C. (Kf = 1.86 °C kg/mol)
    Calculate the number of ions (i) produced when Co(NH3)4Cl3 is
    dissolved in water.
Transition Metals and Coordination
Chemistry
7. An orange complex and a violet complex were both found to have
     ferric ion as their central metal; which one absorbs light with a
     longer wavelength?
Transition Metals and Coordination
Chemistry
8. Draw the d orbital diagrams according to the crystal field model in
     order to predict how many unpaired electrons are in each of the
     following:
     a. [ Fe(CN)6]4-
     b. [CoBr6]3-
     c. [Ni(H2O)4]2+ (tetrahedral)
Transition Metals and Coordination
Chemistry
Transition Metals and Coordination
Chemistry
9. Solutions of [Co(NH3)6]3+ , [Co(NO2)6]3-and [CoF6]3- are colored.
    The solutions were red, yellow and blue. Match the solution to the
    color.
Transition Metals and Coordination
Chemistry
10. The complex ion [Zn(H2O)6]2+ is colorless whereas [Ni(H2O)6]2+ is
     green, explain.
Transition Metals and Coordination
Chemistry
Transition Metals and Coordination
Chemistry

				
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posted:5/12/2014
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