Solutions of sodium azide (NaN_(3)) and iodine (as KI_(3)) do not react but on addition of a trace of 'X' ion, which acts as a catalyst there is an immediate vigorous evolution of nitrogen. Then 'X' may be:

Solutions of sodium azide (NaN_(3)) and iodine (as KI_(3)) do not reac

1.	Solutions of sodium azide (NaN_(3)) and iodine (as KI_(3)) do not react but on addition of a trace of 'X' ion, which acts as a catalyst there is an immediate vigorous evolution of nitrogen. Then 'X' may be:
Answer» `S_(2)O_(3)^(2-)` `S^(2-)` `overset(Theta)(S)CN` all are correct Answer :D