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

The following amines is the product of Gabriel phthalimide synthesis.

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प्रश्न

The following amines is the product of Gabriel phthalimide synthesis.

पर्याय

  • secondary aliphatic amine

  • primary aliphatic amine

  • aromatic primary amine

  • tertiary aliphatic amine

MCQ
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उत्तर

primary aliphatic amine

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पाठ 13: Amines - Multiple Choice Questions

संबंधित प्रश्‍न

How are propan-1-amine and propan-2-amine prepared from oxime?


Write a short note on Hoffmann bromamide degradation.


Write the chemical equation involved in the following reaction:

Hoffmann-bromamide degradation reaction


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


Write a short note on the following:

Hoffmann’s bromamide reaction


Write the reaction of aromatic primary amine with nitrous acid.


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


Choose the most correct option.

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


Answer in one sentence.

Predict the product of the following reaction.

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


Answer the following

Explain Gabriel phthalimide synthesis.


Mendius reaction is used to convert _____________


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


Identify the product 'A' in the following reaction.

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


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


____________ can be prepared exclusively by Gabriel phthalimide synthesis.


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 nitrogen containing compound amongst the following would undergo Mendius reduction to furnish primary amine \[\ce{(R - NH2)}\]?


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, ____________.


Identify 'A' and 'B' in the following conversions.

\[\ce{CH3 - I ->[Alc. KCN][\Delta] A ->[Na/C2H5OH] B}\]


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 does NOT give carbylamine test?


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:


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 ______.


Amongst the given set of reactants, the most appropriate for preparing 2° amine is ______.


The best reagent for converting, 2-phenylpropanamide into 1- phenylethanamine is ______.


Which of the following amines can be prepared by Gabriel synthesis.

(i) Isobutyl amine

(ii) 2-Phenylethylamine

(iii) N-methylbenzylamine

(iv) Aniline


Under which of the following reaction conditions, aniline gives p-nitro derivative as the major product?

(i) Acetyl chloride/pyridine followed by reaction with conc.\[\ce{H2SO4 }\] + conc. \[\ce{HNO3}\].

(ii) Acetic anyhdride/pyridine followed by conc.\[\ce{H2SO4}\] + conc.\[\ce{HNO3}\].

(iii) Dil. HCl followed by reaction with conc.\[\ce{H2SO4}\] + conc.\[\ce{HNO3}\].

(iv) Reaction with conc.\[\ce{HNO3}\] + conc.\[\ce{H2 SO4}\].


Suggest a route by which the following conversion can be accomplished.


How will you carry out the following conversion?


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

Reason: Primary amines are more basic than secondary amines.


Assertion: Only a small amount of \[\ce{HCl}\] is required in the reduction of nitro compounds with iron scrap and \[\ce{HCl}\] in the presence of steam.

Reason: \[\ce{FeCl2}\] formed gets hydrolysed to release \[\ce{HCl}\] during the reaction.


Account for the following:

Aniline cannot be prepared by the ammonolysis of chlorobenzene under normal conditions.


A primary amine is formed by an amide on treatment with bromine and alkali. The primary amine has


Which of the following reactions will not give a primary amine?


Acetamide and ethyl amide can be distinguished by reacting with.


C6H5CONHCH3 can be converted into C6H5CH2NHCH3 by:-


  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 ______.


What is the IUPAC name of \[\ce{(CH3)2 - N - CH3}\]?


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?


Amides can be converted into amines by the reaction named ______.


Write a short note on the following:

Ammonolysis


Write short note on the following:

Ammonolysis


Write a short note on the following:

Ammonolysis.


Write short notes on the following:

Ammonolysis 


Write a short note on the following:

Ammonolysis


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