During the test of halogens by silver nitrate test, the sodium extract is first boiled with a few drops of conc. `HNO_3` to

During the test for halogens, sodium extract is first boiled with nitric acid as to

Before the tests for halogens the Lassaigne's extract is to be boiled with dil. HNO_(3) - why?

In Lassaigne's test for the detection of halogens, the sodium fusion extract is first boiled with concentrated nitric acid. This is

In Lassaigne's test for the detection of halogen , the sodium fusion extract is first boiled with concentrated nitric acid . This is

In Lassaigne's test for the detection of halogen , the sodium fusion extract is first boiled with concentrated nitric acid . This is