Question

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.

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

(a) Discuss the chemistry of Lassaigne's test (b) Give a brief description of the principles of the following techniques taking an example in each case. (a) Distillation (b) Chromatography