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प्रश्न
Write a short note on the following.
Carbylamine reaction
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उत्तर
Aliphatic (or) aromatic primary amines react with chloroform and alcoholic KOH to give isocyanides (carbylamines), which have an unpleasant smell. This reaction is known as the carbylamines test. This test is used to identify the primary amines.
\[\ce{\underset{(Ethylamine)}{C2H5 - NH2} + \underset{(Chloroform)}{CHCl3 + 3KOH} -> \underset{Ethylisocyanide}{C2H5 - NC + 3KCl} + 3H2O}\]
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संबंधित प्रश्न
Choose the most correct option.
The hybridisation of nitrogen in primary amine is ____________.
Choose the most correct option.
Identify ‘B’ in the following reactions
\[\ce{CH3 - C ≡ N ->[Na/C2H5OH] A ->[NaNO2/dilHCl]B}\]
What are amines?
Write the number of moles of ethanoyl chloride required for complete acylation of N, N-dimethylaniline.
\[\ce{Aniline + benzoylchloride ->[NaOH] C6H5 - NH - COC6H5}\] this reaction is known as ____________.
Which of the following amines does not undergo acetylation?
Write a short note on the following.
Ammonolysis
Account for the following.
pKb of aniline is more than that of methylamine.
Account for the following.
Gabriel phthalimide synthesis is preferred for synthesising primary amines.
Write a short note on the following.
Ammonolysis
