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[*] posted on 11-9-2011 at 08:46
Mercurous chloride and hydroxide?

If I mixed mercurous chloride and an alkali hydroxide, will it make the alkali chloride and mercury?

I read in my MSDS that mcrs chloride has an imcompatibility with alkalis, so will this happen?



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[*] posted on 11-9-2011 at 11:51


Mercury(I) Chloride has a solubility of .2mg/100ml, so do you mean a dry mix? Mixing them in solution would be a slow reaction due to the poor solubility.

Also, Mercury Chloride decomposes on exposure to UV light to make (more) soluble (7.4g/100ml) Mercury(II) Chloride and elemental Mercury.
Hg<sub>2</sub>Cl<sub>2</sub> --> HgCl<sub>2</sub> + Hg

A reaction between an aqueous Mercury(II) ion and hydroxide would precipitate HgO, because the possible Hg(OH)<sub>2</sub> intermediate would decompose.

http://en.wikipedia.org/wiki/Mercury(II)_hydroxide
http://en.wikipedia.org/wiki/Mercury(I)_chloride



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