Lassaigne's test used in qualitative analysis to detect :
Lassaigne's test used in qualitative analysis to detect :
Option 1 -
Nitrogen
Option 2 -
Sulphur
Option 3 -
Chlorine
Option 4 -
All of these
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1 Answer
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Correct Option - 4
Detailed Solution: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 → NaCN
2Na + S → Na? S
2Na + X? → 2NaX
The cyanide, sulphide or halide ions can be confirmed in aqueous solution by usual test.
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Kindly consider the following figure
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