Polysulfane | Wikipedia audio article
Channel: wikipedia tts
Date: 24/10/2018

This is an audio version of the Wikipedia Article:
Polysulfane

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SUMMARY
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A polysulfane is a chemical compound of formula H2Sx, where x  1, although sometimes disulfane, H2S2 is  excluded.   Polysulfanes consist of unbranched chains of sulfur atoms terminated with hydrogen. Compounds containing 2–8 concatenated sulfur atoms have been isolated, longer chain compounds have been detected, but only in solution. H2S2 is colourless, higher members are yellow with the colour increasing with the sulfur content. Even a trace of alkali will cause chemical decomposition, and containers need to be treated with acid to remove any traces of alkali.
In the chemical literature the term polysulfanes is sometimes used for compounds containing −(Sn)−, e.g. organic polysulfanes R−(Sn)−R.
Since sulfur is a chalcogen, polysulfanes can be classed as hydrogen chalcogenides.