Which of the following oxoacids of sulphur co | vedclass

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(A) To determine the oxidation states of sulphur in the given oxoacids,we examine their structures:$1$. $H_{2}S_{2}O_{3}$ (Thiosulphuric acid): The st

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$H_{2}S_{2}O_{3}$

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(A) To determine the oxidation states of sulphur in the given oxoacids,we examine their structures:$1$. $H_{2}S_{2}O_{3}$ (Thiosulphuric acid): The structure contains one central $S$ atom bonded to another $S$ atom. The central $S$ atom is in the $+6$ oxidation state,while the terminal $S$ atom is in the $-2$ oxidation state.$2$. $H_{2}S_{2}O_{6}$ (Dithionic acid): Both $S$ atoms are in the $+5$ oxidation state.$3$. $H_{2}S_{2}O_{7}$ (Pyrosulphuric acid): Both $S$ atoms are in the $+6$ oxidation state.$4$. $H_{2}S_{2}O_{8}$ (Peroxodisulphuric acid): Both $S$ atoms are in the $+6$ oxidation state.Thus,$H_{2}S_{2}O_{3}$ is the only acid among the options that contains sulphur in two different oxidation states ($-2$ and $+6$).

Which of the following oxoacids of sulphur contains $S$ in two different oxidation states?

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