In Lassaigne s test for the detection of halogens the sodium

Last updated: 7/2/2023

In Lassaigne s test for the detection of halogens the sodium fusion extract is first boiled with concentrated nitric acid This is 1 To dissolve Ag S 2 To remove silver halides 3 To decompose Na S and NaCN if present 4 Because Ag S and AgCN are insoluble in nitric acid