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Disulfuric acid is a sulfur oxoacid. It is a major constituent of fuming sulfuric acid, oleum, and this is how most chemists encounter it. It is also a minor constituent of liquid anhydrous sulfuric acid due to the equilibria:
Additional recommended knowledge
The acid is prepared by reacting excess SO3 with sulfuric acid:
There are other related acids with the general formula H20.(SO3)x e.g. H2S4O13(melting point 4°C).
Greenwood, N. N.; Earnshaw, A. (1997). Chemistry of the Elements, 2nd Edition, Oxford:Butterworth-Heinemann. ISBN 0-7506-3365-4.
Categories: Sulfur oxoacids | Acids | Sulfur compounds
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Disulfuric_acid". A list of authors is available in Wikipedia.|