Identification of 1/2/3 amines
- Given below are two statements :Statement I :Primary aliphatic amines react with HNO_2 to give unstable diazonium salts.Statement II :Primary aromatic amines react with HNO_2 to form diazonium salts which are stable even above 300 K.In the light of t… Answer: 4. Statement I is correct but Statement II is incorrect. Key idea: diazonium salts of aliphatic amines are unstable; aromatic ones a... 1
- Identify the compound that will react with Hinsberg's reagent to give a solid which dissolves in alkali. Answer: 3. CH₃CH₂-ddotNH₂ Key idea: Hinsberg's reagent (benzenesulphonyl chloride) reacts with primary and secondary amines; the sulphonamid... 1
- Which of the following amine will give the carbylamine test ? Answer: 1. Aniline (C ₆ H ₅ NH ₂ ) The carbylamine test (heating with CHCl₃ and alcoholic KOH to give a foul-smelling isocyanide) is given o... 1
- Which one of the following nitro-compounds does not react with nitrous acid? Answer: 2. [structure shown in figure] Key idea: a nitroalkane reacts with HNO₂ only if it has an alpha-hydrogen. Primary give nitrolic acid... 1