Wolfram(III) iodida GudangMovies21 Rebahinxxi LK21

    Wolfram(III) iodida atau wolfram triiodida adalah senyawa kimia wolfram dan iodin dengan rumus WI3.


    Persiapan


    Wolfram(III) iodida dapat dibuat dengan mereduksi wolfram heksakarbonil dengan iodin.





    2

    W
    (
    C
    O

    )

    6


    +
    3


    I

    2


    ⟶
    2

    W

    I

    3


    +
    12

    C
    O



    {\displaystyle \mathrm {2\ W(CO)_{6}+3\ I_{2}\longrightarrow 2\ WI_{3}+12\ CO} }



    Sifat


    Wolfram(III) iodida adalah padatan hitam yang melepaskan yodium pada suhu kamar, dan kurang stabil dibandingkan molibdenum(III) iodida. Ia larut dalam aseton dan nitrobenzena, dan sedikit larut dalam kloroform.
    Terurai menjadi wolfram(II) iodida:





    6
    W

    I

    3


    ⟶
    [

    W

    6



    I

    8


    ]

    I

    4


    +
    3

    I

    2





    {\displaystyle \mathrm {6WI_{3}\longrightarrow [W_{6}I_{8}]I_{4}+3I_{2}} }



    Referensi

Kata Kunci Pencarian:

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