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Question

The product obtained from the electrolytic oxidation of acidified sulphate solution , is

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> (JEE MAIN 2021)

A
HO3SOSO3H
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B
HO2SOSO2H
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C
HO3SOOSO3H
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D
HSO4
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Solution

The correct option is C HO3SOOSO3H
Anode:

2H2SO4H2S2O8+2H++2e

2H2OO2+4H++4e

Cathode :

e+H+12H2

Main product of electrolysis of conc. H2SO4 is
HO3SOOSO3H or (H2S2O8)

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