Question

an hydride of sulfuric acid​

Answer 1

Sulphur trioxide ....

Answer 2

Sulfur trioxide

Sulfur trioxide, SO 3, is the anhydride of sulfuric acid, H 2SO 4 . Anhydrides of organic acids, like the acids themselves, contain the carbonyl group, CO. Organic anhydrides include acetic anhydride or ethanoic anhydride, (CH 3C=O) 2O, and benzoic anhydride, (C 6H 5C=O) 2O.

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