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Question: Which of the following does not have S-S linkage? a.) \[{{S}_{2}}O_{8}^{2-}\] b.) \[{{S}_{2}}O_{...

Which of the following does not have S-S linkage?
a.) S2O82−{{S}_{2}}O_{8}^{2-}
b.) S2O62−{{S}_{2}}O_{6}^{2-}
c.) S2O52−{{S}_{2}}O_{5}^{2-}
d.) S2O32−{{S}_{2}}O_{3}^{2-}

Explanation

Solution

S-S linkage, it means the compound should contain a bond between two sulphur atoms. To know about the S-S linkage we should know the structure of the compounds. The oxides of the sulphur contain S-S linkage.

Complete step by step answer:
All the compounds which are present in the given question are the oxides of sulphur.
The compound in option A is S2O82−{{S}_{2}}O_{8}^{2-}. The structure of S2O82−{{S}_{2}}O_{8}^{2-} is as follows.

In the above structure we can see that there is no bond between two sulphur atoms (S-S linkage) clearly. So, S2O82−{{S}_{2}}O_{8}^{2-}does not contain S-S linkage.

Coming to option B,S2O62−{{S}_{2}}O_{6}^{2-}. The structure of S2O62−{{S}_{2}}O_{6}^{2-} is as follows

In the above structure there is an S-S linkage (bond between sulphur atoms), we can see it clearly.

Coming to option C, S2O52−{{S}_{2}}O_{5}^{2-}. The structure of S2O52−{{S}_{2}}O_{5}^{2-}is as follows

In the above structure there is an S-S linkage (bond between sulphur atoms), we can see it clearly.

Coming to option D, S2O32−{{S}_{2}}O_{3}^{2-}. The structure of S2O32−{{S}_{2}}O_{3}^{2-} is as follows.

In the above structure there is an S-S linkage (bond between sulphur atoms), we can see it clearly.
Therefore, the compound that does not contain S-S linkage is S2O82−{{S}_{2}}O_{8}^{2-}.
So, the correct answer is “Option A”.

Note: To know about the presence of S-S linkage in any compound we have to draw the structure of the compounds. If we are not going to draw the structures then we cannot say the presence of S-S linkage.