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Justify that peroxymono and peroxydisulp...

Justify that peroxymono and peroxydisulphuric acids have a peroxy linkage. How are they structurally diffferent?

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The peroxymono and peroxydisulphuric acid may be considered to have been derived from `H_(2)O_(2)` by replacing one H and both H by `HSO_(3)` groups respectively.
`H_(2)SO_(5)` the monoacid and `H_(2)S_(2)O_(8)` the peroxy - disulphuric acid, both on hydrolysis yield `H_(2)O_(2)`.
Both permono and perdi sulphuric acids contain `-O-O-` linkage in their molecular structure.
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