question 21\nthe formula of hydroiodic acid is:\n○ ih\n○ hio₃\n○ hi(aq)\n○ hi

question 21\nthe formula of hydroiodic acid is:\n○ ih\n○ hio₃\n○ hi(aq)\n○ hi

question 21\nthe formula of hydroiodic acid is:\n○ ih\n○ hio₃\n○ hi(aq)\n○ hi

Answer

Brief Explanations:

Hydroiodic acid is a binary acid composed of hydrogen and iodine. In aqueous solution, its formula is written as HI(aq). The symbol HI alone represents hydrogen - iodide gas, and HIO₃ is iodic acid. IH is an incorrect representation.

Answer:

C. HI(aq)