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Lassaigne's test for the detection of N ...

Lassaigne's test for the detection of `N` fails in `:`

A

`NH_(2)-underset(C)underset(||)(O)-NH-NH_(2)`

B

`NH_(2)-NH_(2)`

C

`NH_(2)-underset(C)underset(||)(O)-NH_(2)`

D

`C_(6)H_(5)-NH-NH_(2)`

Text Solution

Verified by Experts

The correct Answer is:
b
Lassaigne's test is given if `'N'` is attached to `'C'`.
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