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Q. Oxidation number of sulphur in peroxomonosulphuric acid $(H_2SO_5)$ is

Redox Reactions

Solution:

$H_2SO_5$
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Oxidation number of $O$ in peroxo linkage $= -1$
Oxidation number of other $O$ atoms $= -2$
$+2 + x - 6- 2 = 0$ or $x = +6$