In the Lassaigne's test for nitrogen in an organic compound, the Pressian blue colour is obtained due to the formation of :

In the Lassaigne's test for nitrogen in an organic compound, the Press

1.	In the Lassaigne's test for nitrogen in an organic compound, the Pressian blue colour is obtained due to the formation of :
Answer» `Na_(4)[FE(CN)_(6)]` `Fe_(4)[Fe(CN)_(6)]_(3)` `Fe_(2)[Fe(CN)_(6)]` `Fe_(3)[Fe(CN)_(6)]_(4)`. Solution :is the correct answer.