The oxidation states of sulphur in the anions `SO_(3)^(2-), S_(2)O_(4)^(2-)`, and `S_(2)O_(6)^(2-)` follow the order

The oxidation states of sulphur in the anions SO_(3)^(-2),S_(2)O_(4)^(2-)andS_(2)O_(6)^(2-) follow the order :

Oxidation numbers of sulphur in the anions SO_(3)^(2-),S_(2)O_(4)^(2-) and S_(2)O_(6)^(2-) follow the order

The correct increasing order of the oxidation state of sulphur in the anions SO_(4)^(2-), SO_(3)^(2-),S_(2)O_(4)^(2-),S_(2)O_(6)^(2-) is