Which Is the Stronger Acid: H-F or H-I

question 39

Multiple Choice

Which is the stronger acid: H-F or H-I?

• A) H-F, because the electronegativity of fluorine is higher than that of iodine making the H-F bond more polar and more likely to release the hydrogen ion to solution.
• B) H-F, because acid strength for binary acids decreases "down the group" of the periodic table.
• C) H-I, because iodine releases the hydrogen in order to form (s) at room temperature.
• D) H-I, because the H-I bond is weaker and so it is easier to break to form hydrogen ions.

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