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Lassaigne's test is used in the qualitat...

Lassaigne's test is used in the qualitative analysis to detect

A

Nitrogen

B

Sulphur

C

Chlorine

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
D
Nitrogen, sulphur and halogens are tested in an organic compound by lassaigne’s test.
The organic compound is fused with sodium metal as to convert these elements into ionisable inorganic substances.
`Na+C +N to NaCN`
`2Na+S to Na_(2)S`
`2Na+X_(2) to 2NaX`
The cyanide, sulphide or halide ions can be confirmed in aqueous solution by usual test.
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