Advertisements
Advertisements
प्रश्न
What is meant by the following term? Give an example of the reaction in the following case.
Schiff’s base
Advertisements
उत्तर
Aldehydes and ketones react with primary aliphatic or aromatic amines to form azomethine or Schiff's base.
\[\ce{\underset{Aldehyde}{R - CH = O} + \underset{1° amine}{H2N - R'} ->[H+][Heat] \underset{Schiff’s base}{R - CH = N - R'} + H2O}\]
APPEARS IN
संबंधित प्रश्न
Acetaldehyde, when treated with which among the following reagents does NOT undergo addition reaction?
(A) Ammonia
(B) Hydroxylamine
(C) Ammoniacal silver nitrate
(D) Semicarbazide
Write the products formed when CH3CHO reacts with the following reagents : HCN
Predict the product of the following reaction:
What is meant by the following term? Give an example of the reaction in the following case.
2, 4-DNP-derivative
Acetaldehyde, Acetone, Di-tert-butyl ketone, Methyl tert-butyl ketone (reactivity towards HCN)
Explain the mechanism of alkaline hydrolysis of tert-butyl bromide with energy profile diagram.
Give a simple chemical test to distinguish between 
Which one of the following gives only one monochloro derivative?
Acetaldehyde and acetone differ in their reaction with
Which will undergo faster nucleophilic addition reaction?
Acetaldehyde or Propanone
The product of following reaction is
\[\ce{CH3 - CH = CH - CH2 - CHO ->[i) LiAlH4][ii) H3O+]}\] ______?
Out of p-tolualdehyde and p-nitrobenzaldehyde, which one is more reactive towards nucleophilic addition reactions, why?
Draw structure of the following derivative.
The ethylene ketal of hexan-3-one
Draw structures of the following derivative.
The ethylene ketal of hexan-3-one
Draw the structure of the following derivative.
Acetaldehydedimethylacetal
Draw structure of the following derivative.
The ethylene ketal of hexan-3-one
Draw structure of the following derivative.
The ethylene ketal of hexan-3-one
Draw the structure of the given derivative.
The ethylene ketal of hexan-3-one
Give an example of the reaction in the following case.
Oxime
Give an example of the reaction in the following case.
Imine
