Question

In the lassaigne's test for the detection of nitrogen in an organic compound, the appearance of blue colored compound is due to:

Answer 1

Answer:

In the Lassaigne's test for the detection of nitrogen in an organic compound, the appearance of a blue coloured compound is due to ferric ferrocyanide. In this test, sodium fusion extract is boiled with ferrous sulphate and then acidified with conc. sulphuric acid.