The oxidation states of S-atoms in Caro's and Marshell's acids are:
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a
+6,+6
b
+6,+4
c
+6,-6
d
+4,+6
answer is A.
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Detailed Solution
Caro's acid = H2SO5= peroxomono-sulphuric acidMarshell's acid = H2S2O8= Peroxodi-sulphuric acidThe oxidation state in both the acids is +6 each because oxidation state cannot be greater than the number of valence electrons.