English
Karnataka Board PUCPUC Science 2nd PUC Class 12

What is meant by the following term? Give an example of the reaction in the following case. Schiff’s base

Advertisements
Advertisements

Question

What is meant by the following term? Give an example of the reaction in the following case.

Schiff’s base

Chemical Equations/Structures
One Line Answer
Advertisements

Solution

Aldehydes and ketones react with primary aliphatic or aromatic amines to form azomethine or Schiff's base.

\[\ce{\underset{Aldehyde}{R - CH = O} + \underset{1° amine}{H2N - R'} ->[H+][Heat] \underset{Schiff’s base}{R - CH = N - R'} + H2O}\]

shaalaa.com
  Is there an error in this question or solution?
Chapter 8: Aldehydes, Ketones and Carboxylic Acids - Exercises [Page 255]

APPEARS IN

NCERT Chemistry Part 1 and 2 [English] Class 12
Chapter 8 Aldehydes, Ketones and Carboxylic Acids
Exercises | Q 8.1 (x) | Page 255

RELATED QUESTIONS

Predict the product of the following reaction:

\[\begin{array}{cc}
\phantom{..............}\ce{O}\\
\phantom{..............}||\\
\ce{R - CH = CH - CHO + NH2 - C - NH - NH2 ->[H+]}\end{array}\]


What is meant by the following term? Give an example of the reaction in the following case.

Semicarbazone


How will you bring about the following conversion in not more than two steps?

Bromobenzene to 1-Phenylethanol


Explain the mechanism of alkaline hydrolysis of tert-butyl bromide with energy profile diagram.


Write balanced chemical equations for action of ammonia on - acetone


Give a simple chemical test to distinguish between 
 


 Acetone, Acetaldehyde, Benzaldehyde, Acetophenone – reactivity towards addition of HCN. 


Which one of the following gives only one monochloro derivative?


Which of the following has the most acidic hydrogen?


Which of the following is most reactive in nucleophilic addition reactions?


Aldehydes and ketones react with hydroxylamine to form ______.


Draw structures of the given derivatives.

The ethylene ketal of hexan-3-one


Draw structure of the following derivative.

The ethylene ketal of hexane-3-one


Draw structure of the following derivative.

The ethylene ketal of hexan-3-one


Draw the structure of the following derivative.

The ethylene ketal of hexan-3-one


Draw structures of the following derivatives.

Acetaldehydedimethylacetal


Draw structure of the following derivative:

Acetaldehydedimethylacetal


Draw structures of the given derivatives.

The ethylene ketal of hexan-3-one


Which of the following will not be formed when calcium formate is distilled with calcium acetate?


The major product of the following reaction is:


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×