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For which of the following compounds Las...

For which of the following compounds Lassaignes' test of notrogen will fail ?

A

`H_(2)NCONH.NH_(2).HCl `

B

`H_(2)"NN"H_(2).HCl`

C

`H_(2)NCONH_(2)`

D

`C_(6)H_(5)-N=N-C_(6)H_(5)`

Text Solution

Verified by Experts

The correct Answer is:
B
Lassaigne's test for nitrogen will fail in case of `H_2N-NH_2`. HCI, as it does not contain C in its molecule.
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