Work Step by Step
The difference here is the number of oxygen atoms. - Oxoacids with a greater number of oxygens are stronger acids. Since $HNO_3$ has more oxygen atoms than $HNO_2$, it is the stronger acid.
You can help us out by revising, improving and updating this answer.Update this answer
After 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.