S - S bond is not present in

Options

A. `S_2O_4^(2-)`
B. `S_2O_6^(2-)`
C. `S_2O_3^(2-)`
D. `S_2O_7^(2-)`

Answer

D

Explanation

`S_2O_7^(2-)` ion is : `O-underset(O^-)underset|oversetOoverset(||)S-O-O-underset(O^-)underset(|)oversetoverset(O)(||)S=O`