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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
Isobutylamine is an example of ______.
What are amines?
What is the action of nitrous acid on the following compounds?
Isopropyl amine
Assertion: Acetamide on reaction with KOH and bromine gives acetic acid.
Reason: Bromine catalyses hydrolysis of acetamide.
When aniline reacts with acetic anhydride the product formed is ____________.
Account for the following.
Although amino group is o- and p-directing in aromatic electrophilic substitution reactions, aniline on nitration gives a substantial amount of m-nitroaniline.
The following amine can be classified as:
Classify the following amine as primary, secondary or tertiary:
Write short notes on the following
Ammonolysis
Account for the following:
Aniline does not undergo Friedel-Crafts reaction.
