What is true about H_2S_nO_6 (Polythionic aci | vedclass

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(D) The structure of polythionic acid $H_2S_nO_6$ is $HO_3S-(S)_{n-2}-SO_3H$. In this structure,the two terminal sulfur atoms are bonded to three oxyg

Vedclass · Accepted Answer

Number of $S$ atoms with $+5$ oxidation state $= 2$

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(D) The structure of polythionic acid $H_2S_nO_6$ is $HO_3S-(S)_{n-2}-SO_3H$. In this structure,the two terminal sulfur atoms are bonded to three oxygen atoms and one sulfur atom,resulting in an oxidation state of $+5$ for each terminal sulfur. There are $n-2$ sulfur atoms in the central chain,each bonded to two other sulfur atoms,resulting in an oxidation state of $0$ for these atoms. Total $S-S$ bonds in the chain are $(n-2)$ internal bonds plus $2$ bonds connecting the terminal sulfur atoms,totaling $n-1$ $S-S$ bonds. Thus,the number of $S$ atoms with $+5$ oxidation state is $2$,and the number of $S$ atoms with $0$ oxidation state is $n-2$.

What is true about $H_2S_nO_6$ (Polythionic acid)?

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