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what is lassaigne method ?

what is lassaigne method ?

Grade:upto college level

1 Answers

Saurabh Singh
askIITians Faculty 49 Points
8 years ago

It is a general test for the detection of halogens, nitrogen and sulphur in an organic compound. These elements are covalently bonded to the organic compounds. In order to detect them, these have to be converted into their ionic forms. This is done by fusing the organic compound with sodium metal. The ionic compounds formed during the fusion are extracted in aqueous solution and can be detected by simple chemical tests. The extract is called sodium fusion extract or Lassaigne's extract.

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Saurabh Singh,

askIITians Faculty

B.Tech.

IIT Kanpur

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