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Chemistry
Lassaigne's test for the detection of nitrogen fails in
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Q. Lassaigne's test for the detection of nitrogen fails in
VMMC Medical
VMMC Medical 2014
A
$ N{{H}_{2}}CONH.N{{H}_{2}}HCl $
B
$ N{{H}_{2}}N{{H}_{2}}.HCl $
C
$ N{{H}_{2}}CON{{H}_{2}} $
D
$ {{C}_{6}}{{H}_{5}}NHN{{H}_{2}}.HCl $
Solution:
$ N{{H}_{2}}-N{{H}_{2}}.HCl $ contains nitrogen but it does not contain carbon thus NaCN is not formed and test of nitrogen is negative.