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Write reactions to prepare ethanamine from Acetonitrile. - Chemistry

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प्रश्न

Write reactions to prepare ethanamine from Acetonitrile.

रासायनिक समीकरणे/रचना

उत्तर

Acetonitrile on Mendius reduction yields ethanamine.

\[\ce{\underset{\text{Acetonitrile}}{CH3 - C ≡ N} + 4[H] ->[Na/C2H5OH][or LiAlH] \underset{\text{Ethanamine}}{CH3 - CH2 - NH2}}\]

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पाठ 13: Amines - Exercises [पृष्ठ २९७]

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बालभारती Chemistry [English] 12 Standard HSC
पाठ 13 Amines
Exercises | Q 4.4 | पृष्ठ २९७

संबंधित प्रश्‍न

Write a short note on Hoffmann bromamide degradation.


Identify the compounds 'A' and 'B' in the following equation:


An aromatic compound 'A' of molecular formula C7H7ON undergoes a series of reactions as shown below. Write the structures of A, B, C, D and E in the following reactions :


Give the structures of A, B and C in the following reactions :


Write short notes on the following Hofmann’s bromamide reaction


Accomplish the following conversions Nitrobenzene to benzoic acid


Give the structures of A, B and C in the following reactions:


Write the reactions of aliphatic primary amines with nitrous acid.


Explain the mechanism of action of hydroiodic acid on 3-methylbutan-2-ol.


Mention 'two' uses of propan-2-one.


Choose the most correct option.

Which of the following compounds will dissolve in aqueous NaOH after undergoing reaction with Hinsberg reagent?


Answer the following

Write a reaction to convert acetic acid into methylamine.


Mendius reaction is used to convert _____________


Write the order of reactivity of alkyl halides with ammonia.


Identify the product 'A' in the following reaction.

\[\ce{Aniline ->[(CH3CO)2O][Pyridine] A}\]


Alkyl cyanides on reduction by sodium and ethanol give primary amines. This reaction is called as ____________.


Identify the product obtained, when benzamide is treated with bromine and aqueous sodium hydroxide.


Identify the product obtained when benzyl chloride undergoes ammonolysis in presence of excess ammonia followed by the reaction with two moles of methyl iodide.


Which of the following amines exhibits maximum degree of intermolecular hydrogen bonding?


Identify the major product (B).


What product is formed when \[\ce{R - C ≡ N}\] is hydrolysed?


Which of the following reactions is appropriate for converting benzamide to aniline?


The reduction of alkyl cyanide with sodium and ethanol to give primary amines is, ____________.


Which of the following does NOT give carbylamine test?


Which of the following reactions does NOT yield an amine?


In order to prepare a 1° amine from an alkyl halide with simultaneous addition of one \[\ce{CH2}\] group in the carbon chain, the reagent used as source of nitrogen 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 product when \[\ce{C6H5CH2NH2}\] reacts with \[\ce{HNO2}\]?


What is the best reagent to convert nitrile to primary amine?


Write following conversions:

acetanilide `->` p-nitroaniline


How will you carry out the following conversions?


Assertion: Hoffmann’s bromamide reaction is given by primary amines.

Reason: Primary amines are more basic than secondary amines.


Assertion: Aromatic 1° amines can be prepared by Gabriel Phthalimide Synthesis.

Reason: Aryl halides undergo nucleophilic substitution with anion formed by phthalimide.


The compound X is which of the following?

\[\ce{CH3CN ->[Na + C2H5OH] x}\]


Which of the following compound is expected to be most basic?


A compound 'A' on reduction with iron scrap and hydrochloric acid gives compound 'B' with molecular formula C6H7N. Compound 'B' on reaction with CHCl3 and alcoholic KOH produces an obnoxious smell of carbylamine due to the formation of 'C'. Identify 'A', 'B' and 'C' and write the chemical reactions involved.


Give reasons for the following:

Ammonolysis of alkyl halides is not a good method to prepare pure primary amines.


Which of the following compound gives pink colour on reaction with phthalic anhydride in cone. H2SO4 followed by treatment with NaOH?


Which of the following reaction DOES NOT involve Hoffmann bromamide degradation?


Which of the following amines can be prepared by Gabriel phthalimide reaction?


  1. Phenyl methenamine
  2. N, N - Dimethylaniline
  3. N - Methyl aniline
  4. Benzenamine

Choose the correct order of the basic nature of the above amines.


Identify the product ‘C’ in the following reaction.

\[\ce{Aniline ->[(CH3CH)2O][Pyridine] A ->[Br2][CH3COOH] B ->[H^+ or OH^-] C}\]


Write the name of the product formed by the action of LiAlH4/ether on acetamide.


Which of the following would not be a good choice for reducing nitrobenzene to aniline?


Write short note on the following:

Ammonolysis


Write short note on the following:

Ammonolysis


Write the name of reduction product formed when ethyl cyanide is treated with sodium and alcohol.


Write a short note on Ammonolysis.


Write short notes on the following:

Ammonolysis 


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