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Lassaigne’s test for the detection of nitrogen fails in[1994]
  • a)
    NH2CONHNH2.HCl
  • b)
    NH2 NH2 .HCl
  • c)
    2NH2CONH
  • d)
    C6H5 NHNH2 .HCl
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Lassaigne’s test for the detection of nitrogen fails in[1994]a)N...
Hydrazine (NH2NH2) does not contain carbon and hence on fusion with Na metal, it cannot form NaCN; consequently hydrazine does not show Lassaigne’s test for nitrogen.
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Most Upvoted Answer
Lassaigne’s test for the detection of nitrogen fails in[1994]a)N...
Lassaigne is a French surname that is derived from the Latin name Lascanius. It is a relatively uncommon surname and is mostly found in France and other French-speaking regions. The name was first recorded in the 17th century and is believed to have originated in the south of France.

One notable person with this surname is Jean-Baptiste Lassaigne, a French chemist who made significant contributions to the field of organic chemistry in the 19th century. He is best known for his work on the analysis of organic compounds and the development of new techniques for their identification.

Other notable individuals with the surname Lassaigne include French footballer Fabien Lassaigne and French journalist Laurent Lassaigne.
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Lassaigne’s test for the detection of nitrogen fails in[1994]a)NH2CONHNH2.HClb)NH2 NH2 .HClc)2NH2CONHd)C6H5 NHNH2 .HClCorrect answer is option 'B'. Can you explain this answer?
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