In the Lassaigne's test for the detection of sulphur, the purple colour is due to the formation of

In the Lassaigne's test for the detection of sulphur, the purple colou

1.	In the Lassaigne's test for the detection of sulphur, the purple colour is due to the formation of
Answer» `Na_(4) [Fe(CN)_(5) NOD]` `Na_(3)[Fe(CN)_(5)S]` `Na_(2)[Fe(CN)_(5)NOS]` `Na_(3) [Fe(CN)_(6)]` SOLUTION :The purple colour is due to `Na_(4)[Fe(CN)_(5)NOS]`