1.

There is no `S-S` bond inA. `S_2O_4^(2-)`B. `S_2O_5^(2-)`C. `S_2O_3^(2-)`D. `S_2O_7^(2-)`

Answer» Correct Answer - D
In `S_2O_7^(2-)`, there is no S-S bond.
`[-O-undersetundersetO(||)oversetoverset(O)(||)S-O-undersetunderset(O)(||)oversetoverset(O)(||)S-O^(-)]^(2-)`
In it there is S-O-S bond .In all other given ionic compounds we find S-S bond .
`underset(S_2O_4^(2-))([-O-oversetoversetO(||)S-oversetoversetO(||)S-O-])^(2-) underset(S_2O_5^(2-))([-O-undersetunderset(O)(||)oversetoverset(O)(||)S-oversetoverset(O)(||)S-O-]^(2-))`
`underset(S_2O_3^(2-))([-O-undersetunderset(O)(||)oversetoverset(O)(||)S-O-]^(2-))`


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