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प्रश्न
Give the structure of A, B and C in the following reaction:
\[\ce{CH3CH2I ->[NaCN] A ->[OH-][Partial hydrolysis] B ->[NaOH + Br2] C}\]
उत्तर
\[\begin{array}{cc}
\phantom{.......................}\ce{O}\\
\phantom{.......................}||\\
\ce{\underset{Iodoethane}{CH3CH2I} ->[NaCN] \underset{(A)}{\underset{Propane nitrile}{CH3CH2CN}} ->[OH-][Partial hydrolysis] \underset{(B)}{\underset{Propanamide}{CH3CH2-C-NH2}} ->[NaOH + Br2] \underset{(C)}{\underset{Ethanamine}{CH3CH2-NH2}}}
\end{array}\]
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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 reactions :
Name the process of breaking C-X bond by ammonia in preparation of amines.
Acetamide on reduction using Na/C2H5OH gives ____________.
____________ can be prepared exclusively by Gabriel phthalimide synthesis.
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?
In aqueous phase the order of basic strength of alkylamine is ______.
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 ______.
The best reagent for converting 2–phenylpropanamide into 2-phenylpropanamine is ______.
Best method for preparing primary amines from alkyl halides without changing the number of carbon atoms in the chain is ______.
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.\[\ce{H2 SO4}\].
Assertion: Hoffmann’s bromamide reaction is given by primary amines.
Reason: Primary amines are more basic than secondary amines.
Which of the following compound is expected to be most basic?
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?
The amine 'A' when treated with nitrous acid gives yellow oily substance. The amine A is ______.
Write a short note on Ammonolysis.
Write short notes on the following:
Ammonolysis
