Which of the following oxyacid of sulphur contains $\mathrm{S}=\mathrm{S}$ linkage?

Which of the following oxyacid of sulphur contains $\mathrm{S}=\mathrm{S}$ linkage?
  1. $\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{4}$
  2. $\mathrm{H}_{2} \mathrm{SO}_{3}$
  3. $\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{5}$
  4. $\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{2}$

Solution

$\mathrm{H} 2 \mathrm{SO} 3$ $\mathrm{H} 2 \mathrm{~S} 2 \mathrm{O} 4$ $\mathrm{H} 2 \mathrm{~S} 2 \mathrm{O} 5$ $\mathrm{H}_{2} \mathrm{~S} 2 \mathrm{O} 2$

Asked in: MHT CET 2020 (12 Oct Shift 1)

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