Question

give the correct formula for hydroiodic acid. express your answer as a chemical formula. a chemical reaction does not occur for this question.

Explanation:

Step1: Recall Hydroiodic Acid Composition

Hydroiodic acid is a binary acid. Binary acids have the form \( \text{HX} \), where \( \text{X} \) is a halogen. Iodine (I) is a halogen, so the formula should be \( \text{HI} \).

Step2: Confirm the Formula

Checking the rules for naming binary acids: hydro- prefix, root of the halogen (iod-) and -ic suffix, so the acid is \( \text{HI} \) (aqueous solution, but the formula for the acid is \( \text{HI} \)).

Answer:

\( \text{HI} \)