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JEE Main levelSingle correct optionDifficulty 2 of 3nc189

Ethylamine is treated with and dil. at 273-278 K. According to the standard textbook description of this reaction, the main products are

  1. Aethyldiazonium chloride (stable)
  2. Bethyl chloride and nitrogen gas
  3. CN-nitrosoethylamine
  4. Dethanol and nitrogen gas

Answer: D

Aliphatic primary amines give unstable diazonium salts that decompose at once with evolution of N2, and the carbocation is captured by water to give mainly the alcohol. Stable diazonium salts form only from aromatic primary amines.
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