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NTA Abhyas NEET2020ChemistryAminesPractice

Which of the following compounds will not give Lassaigne’s test for nitrogen?

Options

  1. AN H 2 N H 2
  2. BC 6 H 5 N H N H 2
  3. CP h N = N P h
  4. DN H 2 C O N H 2

Correct answer

A. N H 2 N H 2

Step-by-step solution

In hydrazine, since nitrogen is not directly attached to a carbon atom so, it will not facilitate the Lassaigne’s test.Rest all have C-N bond so they can show it.

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