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JEE Main levelOne or more correct optionsDifficulty 2 of 3nc261

The amine shown is tested as follows. Select all the correct statements.

  1. AIt does not give an isocyanide with /
  2. BIt evolves nitrogen gas with cold nitrous acid
  3. CIt does not give a neutral N-nitroso compound with cold nitrous acid
  4. DIt gives a sulfonamide soluble in aqueous with benzenesulfonyl chloride

Answer: A, C

The compound shown is N,N-dimethylethylamine, a tertiary aliphatic amine. It has no N-H, so no carbylamine, no stable sulfonamide and no N-nitroso derivative (it only forms an ammonium nitrite salt with nitrous acid). It cannot evolve nitrogen gas either.
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