Wolfram(IV) iodida GudangMovies21 Rebahinxxi LK21

    Wolfram(IV) iodida adalah senyawa anorganik biner dari logam wolfram dan yodium dengan rumus kimia WI4.


    Persiapan


    Reaksi wolfram(VI) klorida dengan asam klorida:

    WCl6 + 6HI → WI4 + 6HCl + I2
    Reaksi wolfram(IV) klorida dengan asam klorida :

    WCl4 + 4HI → WI4 + 4HCl


    Sifat fisik


    Tungsten(IV) iodida membentuk kristal hitam dari sistem kristal triklinik. Tidak larut dalam air dingin, dietil eter, dan kloroform. Larut dalam etanol.


    Sifat kimia


    Senyawa tersebut terurai ketika dipanaskan dalam ruang hampa:

    WI4 → WI2 + I2
    Ini terhidrolisis dalam air panas:

    WI4 + 2H2O → WO2 + 4HI
    Bereaksi dengan klorin dan bromin:

    WI4 + 2Cl2 → WCl4 + 2I2
    WI4 + 2Br2 → WBr4 + 2I2


    Referensi

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