Question

Why hclo4 is more strong than h2so4

Answer 1

Answer: Why is HClO4 a stronger acid than H2SO4?

Answer. The oxidation state of the Cl in Perchloric acid (HOClO3) is +7 whereas that of S in Sulphuric acid(H2SO4) is +6. Greater the oxidation state of the central atom, more readily is the cleavage of th O-H bond and hence stronger the acid.

Explanation:    …it can be predicted that perchloric acid, HClO4, is a stronger acid than sulfuric acid, H2SO4, which should be a stronger acid than phosphoric acid, H3PO4. For a given nonmetal central atom, the acid strength increases as the oxidation number of the central atom increases.

 

                      hclo4 is strong because it has greater no oxygen atom. more the oxygen atom more electron will be pulled away from o-h bond and the more this bond will be weakened. between h2so4 and h2 so3 similar reason.

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