Question

In which pair of ions both the species contain s-s bond explain?

Answer 1

Dithionic acid -

H2S2O6-Free acid is moderately stable, but it's salt is quite stable

- wherein

Both S_{4}O_{6}^{2-} and \: S_{2}O_{3}^{2-} has S-S Bond

Option 1)

\text{S}_2 \text{O}_7^{2 - } ,\text{S}_2 \text{O}_3^{2 - }

Incorrect

Option 2)

correct

Option 3)

\text{S}_2 \text{O}_7^{2 - } ,\text{S}_2 \text{O}_8^{2 - }

Incorrect

Option 4)

\text{S}_4 \text{O}_6^{2 - } ,\text{S}_2 \text{O}_7^{2 - }

Incorrect