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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
Give a plausible explanation for the following:
Why are amines less acidic than alcohols of comparable molecular masses?
Write structures of compounds A and B in each of the following reactions:
Write reactions to prepare ethanamine from Acetonitrile.
Why cannot aniline be prepared by Gabriel phthalimide synthesis?
What is the molar mass of the amine formed when acetamide undergoes Hofmann bromamide degradation?
The reduction of alkyl cyanide with sodium and ethanol to give primary amines is, ____________.
Which of the following does NOT give carbylamine test?
The best reagent for converting, 2-phenylpropanamide into 1- phenylethanamine is ______.
Which of the following methods of preparation of amines will give same number of carbon atoms in the chain of amines as in the reactant?
Identify A and B in the following reaction.
How will you carry out the following conversion?
Assertion: Aromatic 1° amines can be prepared by Gabriel Phthalimide Synthesis.
Reason: Aryl halides undergo nucleophilic substitution with anion formed by phthalimide.
Account for the following:
Aniline cannot be prepared by the ammonolysis of chlorobenzene under normal conditions.
Reduction of nitro alkanes yields which compound?
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?
Which of the following amines can be prepared by Gabriel phthalimide reaction?
Write short note on the following:
Ammonolysis
