Q27 / 90 · JEE Main 2022 (29 Jul Shift 2) · Chemistry

Consider the following sulphure based oxoacids. H2SO3, H2SO4, H2S2O8 and H2S2O7. Amongst these oxoacids, the number of those with peroxo O-Obond is

Correct answer: 1

Solution

The structure of these oxoacids will be as follow.

Figure

As we can see from the above structures only the Marshall Acid H2S2O8​ also known as peroxydisulphuric acid has the peroxo bond.

Hence, the correct answer is 1.

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