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Author: Subject: Gallium (II) iodide
vano
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[*] posted on 31-12-2020 at 08:02
Gallium (II) iodide

Today I made Gallium (II) iodide. It is a green solid. I tried this particular method:
Ga + HgI2 = Hg + GaI2

I did not try to separate the compound, I just wondered if it was real. However, to some extent the compound will be contaminated with mercury. I think it is an interesting and simple reaction.

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[*] posted on 31-12-2020 at 10:10


Wikipedia says this is a mixed valence compound of Ga(I) and Ga(III). This page on "GaI" is pretty interesting:

https://en.wikipedia.org/wiki/Solid_%22GaI%22_Precursor
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vano
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[*] posted on 31-12-2020 at 10:40


Yes it is a mixed compound. Gallium 1 and 2 iodides two of them are green. Look at crystal structure. But i like this reaction, because its simple and this compound is very nice and interesting.



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