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प्रश्न
Give the structure of A, B and C in the following reaction:
\[\ce{C6H5N2Cl ->[CuCN] A ->[H2O/H+] B ->[NH3][\Delta] C}\]
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उत्तर
\[\ce{\underset{chloride}{\underset{Benzenediazonium}{C6H5N2Cl}} ->[CuCN] \underset{(A)}{\underset{Cyanobenzene}{C6H5CN}} ->[H2O/H+] \underset{(B)}{\underset{Benzoic acid}{C6H5COOH}} ->[NH3][\Delta] \underset{(C)}{\underset{Benzamide}{C6H5CONH2}}}\]
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संबंधित प्रश्न
Give the structures of A, B and C in the following reactions :
Give the structures of A, B and C in the following reaction:
\[\ce{CH3COOH ->[NH3][\Delta] A ->[NaOBr] B ->[NaNO2/HCl] C}\]
Write the reaction of aromatic primary amine with nitrous acid.
Account for the following:
Gabriel phthalimide synthesis is not preferred for preparing aromatic primary amines.
Write structures of compounds A and B in each of the following reactions:
Write reactions to bring about the following conversions.
Acetamide to Ethylamine
Explain Hoffmann’s exhaustive alkylation with suitable reactions.
The end product C of the following reaction is
\[\ce{C2H5NH2 ->[HNO2] A ->[PCl5] B ->[NH3][Alcohol] C}\]
Which of the following reactions is appropriate for converting benzamide to aniline?
Identify the product obtained when benzamide is treated with bromine and aqueous sodium hydroxide?
Which of the following amines cannot be prepared by Gabriel phthalimide synthesis?
Which of the following reactions does NOT yield an amine?
Which of the following compounds is the weakest Brönsted base?
Which of the following amines can be prepared by Gabriel synthesis.
(i) Isobutyl amine
(ii) 2-Phenylethylamine
(iii) N-methylbenzylamine
(iv) Aniline
Match the reactions given in Column I with the statements given in Column II.
| Column I | Column II | ||
| (i) | Ammonolysis | (a) | Amine with lesser number of carbon atoms |
| (ii) | Gabriel phthalimide synthesis | (b) | Detection test for primary amines. |
| (iii) | Hoffmann Bromamide reaction | (c) | Reaction of phthalimide with \[\ce{KOH}\] and \[\ce{R-X}\] |
| (iv) | Carbylamine reaction | (d) | Reaction of alkylhalides with \[\ce{NH3}\] |
A primary amine is formed by an amide on treatment with bromine and alkali. The primary amine has
Reduction of nitro alkanes yields which compound?
Which of the following reaction DOES NOT involve Hoffmann bromamide degradation?
Identify the product ‘C’ in the following reaction.
\[\ce{Aniline ->[(CH3CH)2O][Pyridine] A ->[Br2][CH3COOH] B ->[H^+ or OH^-] C}\]
