There is no `S-S` bond in

Options

A. `S_(2)O_(7)^(2-)`
B. `S_(4)O_(6)^(2-)`
C. `S_(2)O_(4)^(2-)`
D. `S_(2)O_(3)^(2-)`

Answer

A

Explanation

`S_(2)O_(7)^(-)` has `O-overset(O)overset(||)underset(O)overset(||)(S)-O-overset(O)overset(||)underset(O)overset(||)(S)-O^(-)` structure
`S_(2)O_(4)^(2-)` has `bar(O)-underset(O)underset(||)(S)-underset(O)underset(||)(S)-bar(O)` structure.
`S_(4)O_(6)^(2-)` has `bar(O)-overset(O)overset(||)underset(O)overset(||)(S)-S-S-overset(O)overset(||)underset(O)overset(||)(S)-bar(O)`. structure
`S_(2)O_(3)^(2-)` has `bar(S)-overset(O)overset(||)underset(O)overset(||)(S)-bar(O)` structure.