Advertisements
Advertisements
प्रश्न
Write the reaction of aromatic primary amine with nitrous acid.
Advertisements
उत्तर
Aromatic amine react with nitrous acid (prepared in situ from NaNO2 and a mineral acid such as HCl) at 273 − 278 K to form stable aromatic diazonium salts, i.e., NaCl and H2O.
APPEARS IN
संबंधित प्रश्न
Write the chemical equation involved in the following reaction:
Hoffmann-bromamide degradation reaction
Illustrate the following reaction giving suitable example in each case:Gabriel phthalimide synthesis
Name the process of breaking C-X bond by ammonia in preparation of amines.
Explain Hoffmann’s exhaustive alkylation with suitable reactions.
Identify the product 'A' in the following reaction.
\[\ce{Aniline ->[(CH3CO)2O][Pyridine] A}\]
The end product C of the following reaction is
\[\ce{C2H5NH2 ->[HNO2] A ->[PCl5] B ->[NH3][Alcohol] C}\]
____________ can be prepared exclusively by Gabriel phthalimide synthesis.
Which of the following amines forms a clear solution when treated with benzene sulphonyl chloride and excess of potassium hydroxide?
Identify the INCORRECT statement regarding Hofmann bromamide reaction.
The best reagent for converting 2–phenylpropanamide into 2-phenylpropanamine is ______.
Which of the following compounds is the weakest Brönsted base?
Which of the following reactions are correct?
(i)
(ii)
(iii)
(iv)
What is the best reagent to convert nitrile to primary amine?
Suggest a route by which the following conversion can be accomplished.
How will you carry out the following conversion?
Assertion: Aromatic 1° amines can be prepared by Gabriel Phthalimide Synthesis.
Reason: Aryl halides undergo nucleophilic substitution with anion formed by phthalimide.
Describe Gabriel's phthalimide synthesis. (Give reaction)
Which of the following amines can be prepared by Gabriel phthalimide reaction?
- Phenyl methenamine
- N, N - Dimethylaniline
- N - Methyl aniline
- Benzenamine
Choose the correct order of the basic nature of the above amines.
Write a short note on Ammonolysis.
