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For which of the following ,the Lassaign...

For which of the following ,the Lassaigne's test for nitrogen will not be positve ?

A

Nitrobenzene

B

Urea

C

Diazene

D

Ethanamide.

Text Solution

Verified by Experts

The correct Answer is:
C
Lassaigne's test can detect N only if the compound contains carbon also. As diazane or hydrazine (`H_2N-NH_2`) has no carbon, it does not respond to this test.
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