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5.6: Homework Problems Chapter 5

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    Homework Problems

    Exercise 1

    Name the following compounds:

    1. [(NH3)5Cr-O-Cr(NH3)5 ]4+
    2. Na[Fe(NH3)3Cl3]
    3. VOCl3
    4. Na2PdCl4
    5. [Ni(NH3)3(NMe3)](PF6)2
    Answer

    a) μ-oxo bis(pentaamminechromium (III)) (or 4+)

    b) sodium triammine trichloroferrate (II) (or (1-))

    c) trichlorooxo vandadium(V) (or (0))

    d) sodium tetrachloropalladate (II) (or (2-))

    e) triammine (trimethylamine) nickel (II) hexafluorophosphate or triammine (trimethylamine) nickel (2+) hexafluorophosphate

    Exercise 2

    Write a plausible structural formula for

    1. pentaaquathiocyanatoiron(III).
    2. dicyanoargentate (I)
    3. Tris(triphenylphosphine)gold(I)
    Answer

    a) clipboard_ea4672191fb5396c8319de25a13131e37.png

    b) clipboard_e23d0925deb3b8f2f7178ccc4b6bcce3f.png

    c) clipboard_e1b94ef95d492dd8c87426b84db3e90ef.png

    Exercise 3

    What other stereoisomers can you draw for the complexes depicted below. Are they diasteromers or enantiomers? Determine the handedness of all isomers.

    clipboard_edf3af216c8f4e00fc4d810178aee986d.png

    Answer

    clipboard_e776a532c955612ab7965db85306d439c.png

    Exercise 4

    What type of isomerism is present between the following molecules:

    clipboard_e4a9b984e729025964560d0837855fa78.png

    Answer

    Ionization isomerism

    Exercise 5

    How many hydrate isomers are theoretically possible for [Al(H2O)6]Cl3. Write down their formulas.

    Answer

    [Al(H2O)5Cl]Cl2 x H2O

    [Al(H2O)4Cl2]Cl x 2 H2O

    [Al(H2O)3Cl3] x 3 H2O

    Exercise 6

    What isomerisms do you see between the following two compounds:

    [M(H2O)4Cl2]Br2 and [M(H2O)3ClBr2]Cl x H2O.

    Answer

    Hydrate isomerism and ionization isomerism

    Exercise 7

    What distortions are common for the octahedral shape?

    Answer

    Tetragonal and trigonal distortions

    Exercise 8

    Which coordination number and shape would you most likely expect for a complex between Ag+ and S2O32-?

    Answer

    CN = 2, linear shape.

    Exercise 9

    Which of the following complexes are most likely square planar:

    1. AuCl4-
    2. ZnCl42-
    3. TiCl4
    4. FeCl42-
    Answer

    a) AuCl4-

    Dr. Kai Landskron (Lehigh University). If you like this textbook, please consider to make a donation to support the author's research at Lehigh University: Click Here to Donate.

    5.6: Homework Problems Chapter 5 is shared under a not declared license and was authored, remixed, and/or curated by LibreTexts.

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