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The Hydrogen Sulfate or Bisulfate Ion HSO4- Can Act as Either

Question 39

Multiple Choice

The hydrogen sulfate or bisulfate ion HSO4- can act as either an acid or a base in water solution. In which of the following equations does HSO4- act as an acid?


A) HSO4- + H2O SO42- + H3O+
B) HSO4- + H2O H2SO4 + OH-
C) HSO4- + H3O+ SO3 + 2H2O
D) HSO4- + OH- H2SO4 + O2-
E) none of these

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