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Nitrogen, sulphur and halogens are tested in an organic compound by Lassaignes test.

1. Nitrogen, sulphur and halogens are tested in an organic compound by Lassaignes test.
2. Nitrogen and sulphur are tested in an organic compound by Lassaignes test.
3. Halogens are tested in an organic compound by Lassaignes test.
4. None of the above

Correct answer: Nitrogen, sulphur and halogens are tested in an organic compound by Lassaignes test.

Solution

Lassaignes test is used to detect the presence of nitrogen, sulphur, and halogens in an organic compound.

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