When Sulfur Trioxide Dissolves in Water, Sulfuric Acid Is Produced

question 222

Multiple Choice

When sulfur trioxide dissolves in water, sulfuric acid is produced.An intermediate in the reaction is H₂O-SO₃.In the reaction of the intermediate to produce sulfuric acid,

• A) water acts both as an acid and a base.
• B) water acts as a proton donor only.
• C) water acts as a proton acceptor only.
• D) the intermediate undergoes an intramolecular rearrangement to form the product.

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