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Which of the following are peroxoacids of sulphur?

(i) H2SO5 and H2S2O8

(ii) H2SO5 and H2S2O7

(iii) H2S2O7 and H2S2O8

(iv) H2S2O6 and H2S2O7

 

Correct Answer: (i) H2SO5 and H2S2O8

Explanation: Peroxides of Sulphur – H2SO5 and H2S2O8