Discuss the chemistry of Lassaigne's test.

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Methods of Qualitative Analysis of Organic Compounds | PadhAiPro

Question

TextMethods of Qualitative Analysis of Organic Compounds

Why is nitric acid added to sodium extract before adding silver nitrate for testing halogens?

Explain the reason for the fusion of an organic compound with metallic sodium for testing nitrogen, sulphur and halogens.

Will CCl₄ give white precipitate of AgCl on heating it with silver nitrate? Give reason for your answer.

Why is it necessary to use acetic acid and not sulphuric acid for acidification of sodium extract for testing sulphur by lead acetate test?

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