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

Lassaigne's test for the detection of nitrogen fails in

A

`NH_(2)CONHNH_(2)`

B

`NH_(2)NH_(2).HCl`

C

`NH_(2)CONH_(2)`

D

`C_(6)NHNH_(2).HCl`

Text Solution

Verified by Experts

The correct Answer is:
B
`NH_(2)NH_(2)HCL` since it does not contain `C` which is needed for the fomation of `NaCN`.
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