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A compound which does not give positive ...

A compound which does not give positive test for nitrogen is:
urea
azobenzene
glycine
phenyl hydrazine.

A

Glycine

B

Hydrazine

C

Urea

D

Phynyle hydrazine

Text Solution

Verified by Experts

The correct Answer is:
B
Positive lassaigne's test is given by containing both C and N.
(a). `NH_2CONH_2` (contains both C and N)
(b). `NH_2-NH_2` (does not contain C). So the test not given by (b).
Glycine `(NH_2-CH_2-COOH)`. (contains both C and N).
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