MCQ
There is no $S - S$ bond in
  • A
    ${S_2}O_4^{2 - }$
  • B
    ${S_2}O_5^{2 - }$
  • C
    ${S_2}O_3^{2 - }$
  • ${S_2}O_7^{2 - }$

Answer

Correct option: D.
${S_2}O_7^{2 - }$
d
(d) ${S_2}O_7^{2 - }$

$\begin{array}{*{20}{c}}
  {O\,\,\,\,\,\,\,\,\,\,\,\,\,\,O} \\ 
  {|\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,|} \\ 
  {{}^ - O - S - O - S - {O^ - }} \\ 
  {|\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,|} \\ 
  {O\,\,\,\,\,\,\,\,\,\,\,\,O} 
\end{array}$

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