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NEET levelSingle correct optionDifficulty 1 of 3nc249

The amine shown is treated with nitrous acid (/) at low temperature. Which structure is the main product?

  1. AStructure A
  2. BStructure B
  3. CStructure C
  4. DStructure D

Answer: A

The compound shown is diethylamine, a secondary amine. Secondary amines are N-nitrosated by nitrous acid to give a yellow oily N-nitrosoamine, here N-nitrosodiethylamine, with no nitrogen gas evolved.
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