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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Mendius reaction is used to convert _____________ - Chemistry

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प्रश्न

Mendius reaction is used to convert _____________

पर्याय

  • amide into amine

  • alkyl halide into amine

  • nitroalkane into amine

  • alkyl cyanide into amine

MCQ
रिकाम्या जागा भरा

उत्तर

Mendius reaction is used to convert alkyl cyanide into amine

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पाठ 13: Amines - Multiple Choice Questions

संबंधित प्रश्‍न

Write the chemical equation involved in the following reaction:

Hoffmann-bromamide degradation reaction


Accomplish the following conversion:

Nitrobenzene to benzoic acid


Accomplish the following conversion:

Benzamide to toluene


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

\[\ce{CH3CH2Br ->[KCN] A ->[LiAlH4] B ->[HNO2][0^\circ C] C}\]


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


Write the reactions of aliphatic primary amines with nitrous acid.


Arrange the following in the increasing order of their pKvalues:

C6H5NH2, C2H5NH2, C6H5NHCH3


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


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 the following

Explain Gabriel phthalimide synthesis.


Answer the following

Explain the ammonolysis of alkyl halides.


Write reactions to prepare ethanamine from Acetonitrile.


Write reactions to bring about the following conversions.

Acetamide to Ethylamine


Write reactions for the preparation of ethanamine using Gabriel phthalimide synthesis.


Identify compound 'B' in following series of reactions?

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


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 ____________.


The end product C of the following reaction is

\[\ce{C2H5NH2 ->[HNO2] A ->[PCl5] B ->[NH3][Alcohol] C}\]


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


Identify the major product (B).


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?


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 '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?


For producing amines, the reaction of nitro compounds with iron scrap is preferred because:


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 2-phenylpropanamine is ______.


Which of the following compounds is the weakest Brönsted base?


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.


Write following conversions:

acetanilide `->` p-nitroaniline


How will you bring out the following conversion?


How will you carry out the following conversion?


How will you carry out the following conversions?


Account for the following:

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


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


C6H5CONHCH3 can be converted into C6H5CH2NHCH3 by:-


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.


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


Write short note on the following:

Ammonolysis


Write a short note on the following:

Ammonolysis


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


Write short note on the following:

Ammonolysis


Write short note on the following.

Ammonolysis.


Write a short note on the following:

Ammonolysis


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