MEDIUMMCQ SINGLEJEE Advanced ChemistryInorganic Chemistryp -Block Elements (group 15-18)Previous Year Questions

Among the following, the correct formula of Marshall’s acid is (JIPMER 2018)

A.H₂S₂O₆

B.H₂S₂O₈✓ Correct

C.H₂SO₄

D.H₂SO₅

Explanation

The correct formula of Marshall’s acid is H₂S₂O₈. It is known as peroxodisulphuric acid having sulphur (S) in +6 oxidation state. The structure of this acid is shown below:

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