Which of the following oxyacid of sulphur contain both $\mathrm{S}=\mathrm{S}$ and $\mathrm{S}=0$ bonds?

Which of the following oxyacid of sulphur contain both $\mathrm{S}=\mathrm{S}$ and $\mathrm{S}=0$ bonds?
  1. $\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{5}$
  2. $\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{4}$
  3. $\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{2}$
  4. $\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{3}$

Solution

Thiosulphuric acid, $\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{3}$

Asked in: MHT CET 2020 (12 Oct Shift 2)

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