Which of the following statements is correct?

hclo3 is a stronger acid than hclo2 because the h-cl bond is weaker in hclo3 then in hclo2

h2s is a stronger acid than h2o because the h-s bond is weaker than the h-o bond

h3po4 is a stronger acid than h2so4 because there are more ionizable hydrogens in h3po4

hf is a stronger acid than hcl because f is more electronegative than cl

hclo2 is a weaker acid than hclo because hclo2 has more oxygen atoms