मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Write reactions to prepare ethanamine from Acetonitrile. - Chemistry

Advertisements
Advertisements

प्रश्न

Write reactions to prepare ethanamine from Acetonitrile.

रासायनिक समीकरणे/रचना
Advertisements

उत्तर

Acetonitrile on Mendius reduction yields ethanamine.

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

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 13: Amines - Exercises [पृष्ठ २९७]

APPEARS IN

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

संबंधित प्रश्‍न

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


How do you convert the following: C6H5CONH2 to C6H5NH2


Write a short note on the following:

Hoffmann’s bromamide reaction


Accomplish the following conversion:

Nitrobenzene to benzoic acid


Accomplish the following conversion:

Benzyl chloride to 2-phenylethanamine


Give the structure of A, B and C in the following reaction:

\[\ce{CH3CH2I ->[NaCN] A ->[OH-][Partial hydrolysis] B ->[NaOH + Br2] C}\]


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

\[\ce{CH3COOH ->[NH3][\Delta] A ->[NaOBr] B ->[NaNO2/HCl] C}\]


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


Identify 'A' and 'B' in the following reaction and rewrite the complete reaction :


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


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


Answer in one sentence.

Predict the product of the following reaction.

\[\ce{Nitrobenzene ->[Sn/conc.HCl]?}\]


Answer the following

Write a reaction to convert acetic acid into methylamine.


Answer the following

Explain the ammonolysis of alkyl halides.


Name the process of breaking C-X bond by ammonia in preparation of amines.


Identify compound 'B' in following series of reactions?

\[\ce{Acetonitrile ->[Na/alcohol] A ->[NaNO2/dil.HCI] B}\]


Acetamide on reduction using Na/C2H5OH gives ____________.


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?


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


What is the molar mass of the amine formed when acetamide undergoes Hofmann bromamide degradation?


\[\ce{CH3-CN ->[Na/C2H5OH]}\]

The product formed is ____________.


Which of the following amines forms a clear solution when treated with benzene sulphonyl chloride and excess of potassium hydroxide?


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


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


Identify the INCORRECT statement regarding Hofmann bromamide reaction.


In aqueous phase the order of basic strength of alkylamine is ______.


Which of the following reagents is used in Mendius reduction reaction of alkyl cyanide?


Which of the following amines cannot be prepared by Gabriel phthalimide synthesis?


Identify product B in the following reaction.

\[\ce{Aniline ->[NaNO2][HCl] A ->[KI] B}\]


Which of the following reagents is used in Hofmann's elimination reaction of amines?


Which of the following reactions does NOT yield an amine?


Nitro compounds are reduced by iron scrap and hydrochloric acid to yield one of the following compounds:


Given below are two statements labelled as Assertion (A) and Reason (R).

Assertion (A): Alkyl halides are insoluble in water.

Reason (R): Alkyl halides have halogen attached to sp3 hybrid carbon.

Select the most appropriate answer from the options given below:


Amongst the following, the strongest base in aqueous medium is ______.


Benzylamine may be alkylated as shown in the following equation:

\[\ce{C6H5CH2NH2 + R - X -> C6H5CH2NHR}\]

Which of the following alkylhalides is best suited for this reaction through SN1 mechanism?


Which of the following reagents would not be a good choice for reducing an aryl nitro compound to 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 ______.


The source of nitrogen in Gabriel synthesis of amines is ______.


Reduction of nitrobenzene by which of the following reagent gives aniline?

(i) \[\ce{Sn/HCl}\]

(ii) \[\ce{Fe/HCl}\]

(iii) \[\ce{H2 - Pd}\]

(iv) \[\ce{Sn/NH4OH}\]


How will you carry out the following conversion?


How will you carry out the following conversions?


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


Which of the following CANNOT be prepared by ammonolysis of alkyl halide?


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


Methyl amine on reaction with chloroform in the presence of NaOH gives ______.


  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.


The amine 'A' when treated with nitrous acid gives yellow oily substance. The amine A is ______.


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


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


Write short notes on the following:

Ammonolysis 


Write a short note on the following:

Ammonolysis


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×