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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 ____________.
Assertion: Acetamide on reaction with KOH and bromine gives acetic acid.
Reason: Bromine catalyses hydrolysis of acetamide.
\[\ce{Aniline + benzoylchloride ->[NaOH] C6H5 - NH - COC6H5}\] this reaction is known as ____________.
How will you convert nitrobenzene into m-nitro aniline?
Account for the following.
pKb of aniline is more than that of methylamine.
Arrange the following.
Increasing order of basic strength C6H5NH2, C6H5N(CH3)2, (C2H5)2NH and CH3NH2.
Arrange the following.
In decreasing order of basic strength
Identify A, B and C.
\[\ce{CH3 - NO2 ->[LiAlH4] A ->[2CH3CH2Br] B ->[H2SO4] C}\]
Write a short note on the following.
Ammonolysis
Write short note on Ammonolysis.
