During Lassaigne's test N and S present in an organic compound changes into

During Lassaigne's test , N and S present in an organic compound change into

During Lassaigne's test S and N present in an organic compound change into :

During Lassaigne's test, nitrogen present in the organic compound is converted into

In Lassaigne's test for N, S and halogens, organic compound is

In the Lassaigne's , test the sulphur present in the organic compound first changes into :

I. Read the following passage and answer questions 1 - 5 that follow: Nitrogen, sulphur and halogens in an organic compound are detected by Lassaigne's test in which the organic compound is fused with sodium metal. During fusion N is converted to NaCN, S to Na_2 S and halogens to sodium halides. ln the Lassaigne's test for nitrogen in an organic compound, the prussian blue colour is due to ......