Question

The number of bonds between sulphur and oxygen atoms in $S_2{O}_8^{2-}$ and number of bonds between sulphur and sulphur atoms in rhombic sulphur, respectively, are:

• A. $8\text{and}6$
• B. $4\text{and}6$
• C. $8\text{and}8$
• D. $4\text{and}8$

Answer 1

The correct option is C $8\text{and}8$

Here, we have to count S-O single bonds as well as S=O in $S_2{O}_8^{2–}$, as each double bond also has one sigma bond. The structure of $S_2{O}_8^{2-}$ and $S_8$ is shown below: