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प्रश्न
Account for the following.
Diazonium salts of aromatic amines are more stable than those of aliphatic amines.
उत्तर
The diazonium salts of aromatic amines are more stable than those of aliphatic amines due to the dispersal of the positive charge on the benzene ring as shown below.
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संबंधित प्रश्न
The conversion of primary aromatic amines into diazonium salts is known as ___________
Write a short note on diazotisation.
Ammonium salt of benzoic acid is heated strongly with P2O5 and the product so formed is reduced and then treated with NaNO2/HCl at low temperature. The final compound formed is ____________.
Identify X in the sequence given below
The major product of the following reaction:
Write a short note on the following.
Coupling reaction
Identify A, B, C and D.
\[\ce{aniline + benzaldehyde -> A ->[Conc. HNO3][B] C + D}\]
A dibromo derivative (A) on treatment with KCN followed by acid hydrolysis and heating gives a monobasic acid (B) along with the liberation of CO2. (B) on heating with liquid ammonia followed by treating with Br2/KOH gives (C) which on treating with NaNO2 and HCl at low temperature followed by oxidation gives a monobasic acid (D) having molecular mass 74. Identify A to D.
Why is \[\ce{NH2}\] group of aniline acetylated before carrying out nitration?
The major product of the following reaction is: