AP Chemistry
8.6 Molecular Structure of Acids and Bases
8.3 Weak Acid and Base Equilibria
A student investigates the relative acid strengths of three hypohalous acids at \(298\text{ K}\). The identity of each acid and its acid-ionization constant, \(K_a\), are recorded in the table below.
Which of the following correctly ranks the acids in order of increasing acid strength, and provides the correct justification?
| Acid | \(K_a\) at \(298\text{ K}\) |
|---|---|
| \(\text{HOI(aq)}\) | \(2.3 \times 10^{-11}\) |
| \(\text{HOBr(aq)}\) | \(2.8 \times 10^{-9}\) |
| \(\text{HOCl(aq)}\) | \(3.0 \times 10^{-8}\) |
Which of the following correctly ranks the acids in order of increasing acid strength, and provides the correct justification?
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