Assertion :Caro's acid has $S$ atom in $+ 6$ oxidation state. Reason: Caro's acid contains one peroxo $O_{2}^{2 -}$ group.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Both Assertion and reason are true and reason is the correct explanation of assertion.

This can be explained through structure of Caro's acid (Peroxomonosulphuric acid).

Oxidatio no. of $S = x$ , oxidation no. of $H = + 1$ ,

Oxidation no. of oxygen in peroxo linkage $= - 1$

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Assertion :Caro's acid has S atom in +6 oxidation state. Reason: Caro's acid contains one peroxo O2−2 group.

Assertion :Caro's acid has $S$ atom in $+ 6$ oxidation state. Reason: Caro's acid contains one peroxo $O_{2}^{2 -}$ group.