Atomistry » Selenium » Chemical Properties » Diselenotrithionic Acid
Atomistry »
  Selenium »
    Chemical Properties »
      Diselenotrithionic Acid »

Diselenotrithionic Acid, H2Se2SO6

If in the interaction of selenious and sulphurous acids an excess (that is, more than a semi- molecular proportion) of the former is taken, the odour of sulphur dioxide soon disappears and apparently a Diselenotrithionic Acid, H2Se2SO6, is formed in the solution:

2H2SO3 + 2H2SeO3 = H2Se2SO6 + H2SO4 + 2H2O.

The acid is even less stable than selenotrithionic acid; its aqueous solution decomposes in the light or on warming; in fact, it cannot even be preserved in the dark. Acids and alkalis also bring about its decomposition. Treatment with barium carbonate, as in the case of the preceding acid, gives a solution of the barium salt which, however, is less stable than barium selenotrithionate, and the solution decomposes slowly in the dark.

Last articles

Zn in 7M6U
Zn in 7NNG
Zn in 7NEE
Zn in 7NEU
Zn in 7M3K
Zn in 7KWD
Zn in 7KYH
Zn in 7KNG
Zn in 7KY2
Zn in 7KYF
© Copyright 2008-2020 by atomistry.com
Home   |    Site Map   |    Copyright   |    Contact us   |    Privacy