Answer
See explanation below.
Work Step by Step
a) H2Se is the strongest acid.
b) B(OH)3 is the strongest acid.
c) HBrO2 is the stronger acid.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.