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प्रश्न
Give the structure of A, B and C in the following reaction:
\[\ce{CH3CH2I ->[NaCN] A ->[OH-][Partial hydrolysis] B ->[NaOH + Br2] C}\]
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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
Identify the compounds 'A' and 'B' in the following equation:
Write a short note on the following:
Hoffmann’s bromamide reaction
Why cannot aromatic primary amines be prepared by Gabriel phthalimide synthesis?
Write reactions to prepare ethanamine from Acetonitrile.
Write reactions to bring about the following conversions.
Acetamide to methylamine
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.
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 amines cannot be prepared by Gabriel phthalimide synthesis?
Which of the following reagents is used in Hofmann's elimination reaction of amines?
Amongst the following, the strongest base in aqueous medium is ______.
Best method for preparing primary amines from alkyl halides without changing the number of carbon atoms in the chain is ______.
Among the following amines, the strongest Brönsted base is:
Identify A and B in the following reaction.
Acetamide and ethyl amide can be distinguished by reacting with.
Give reasons for the following:
Ammonolysis of alkyl halides is not a good method to prepare pure primary amines.
Which of the following reaction DOES NOT involve Hoffmann bromamide degradation?
Which of the following statement(s) is/are incorrect in case of Hofmann bromamide degradation?
