HI is a strong acid. Determine whether this statement is correct or incorrect. Justify your answer.

• A. Incorrect; Due to the large atomic radius of iodine, the H−I bond is weak. Stronger acids have stronger bonds.
• B. Correct; Due to the large atomic radius of iodine, the H−I bond is weak, leading to high acidity.
• C. Incorrect; Due to a strong H−I bond, the dissociation is low.
• D. Correct; The H−I bond is ionic, leading to high acidity.

Answer: (B)