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Q.
The structure of the tetrathionate ion is
The p-Block Elements - Part2
Solution:
The tetrathionate anion, $S _{4} O _{6}^{2-}$, is a sulfur oxoanion derived from the compound tetrathionic acid, $H _{2} S _{4} O _{6}$.
Two of the sulfur atoms present in the ion are in oxidation state $o$ and two are in oxidation state $+5$.