Which of the following oxoacid of sulphur has – O – O – linkage?

Which of the following oxoacid of sulphur has

– O – O –

linkage?

Options

A ${H}_{2}{SO}_{4}$ , sulphuric acid
B ${H}_{2}{S}_{2}{O}_{8}$ , peroxydisulphuric acid
C ${H}_{2}{S}_{2}{O}_{7}$ , pyrosulphuric acid
D ${H}_{2}{SO}_{3}$ , sulphurous acid

Correct answer

B. ${H}_{2}{S}_{2}{O}_{8}$ , peroxydisulphuric acid

Step-by-step solution

Peroxydisulphuric acid is an inorganic compound with a chemical formula ${H}_{2}{S}_{2}{O}_{8}$ . Also called Marshall's acid after its inventor, Professor Hugh Marshall, it is a peroxydisulphuric acid. In structural terms, it can be written ${HO}_{3}{SOOSO}_{3}H .$ It contains sulfur in its $+ 6$ oxidation state and a peroxide group.

Which of the following oxoacid of sulphur has – O – O – linkage?

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