The oxidation states of the two sulfur atoms | vedclass

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Question

(A) The structure of thiosulfuric acid $(H_2S_2O_3)$ is $HO-SO_2-SH$. In this structure,one sulfur atom is at the center,bonded to three oxygen atoms

Vedclass · Accepted Answer

$+6$ and $-2$

Vedclass · Answer

(A) The structure of thiosulfuric acid $(H_2S_2O_3)$ is $HO-SO_2-SH$. In this structure,one sulfur atom is at the center,bonded to three oxygen atoms (two via double bonds and one via a single bond with hydrogen) and one sulfur atom via a double bond. The central sulfur atom is bonded to three oxygen atoms and one sulfur atom. Assigning oxidation states: $1$. The central sulfur atom is bonded to three oxygen atoms (each $-2$) and one hydroxyl group $(-1)$. $2$. The terminal sulfur atom is bonded to the central sulfur atom via a double bond. Using the structure,the central sulfur atom has an oxidation state of $+6$ and the terminal sulfur atom has an oxidation state of $-2$.

The oxidation states of the two sulfur atoms in thiosulfuric acid $(H_2S_2O_3)$ are .....................

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