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  • Arrange the following in order of basicity : a) N- Ethylethanamine b) Ethanamine c) N,N - dimethylaniline d) N - methylaniline Option: 1

Arrange the following in order of basicity :

a) N- Ethylethanamine b) Ethanamine c) N,N - dimethylaniline d) N - methylaniline 

Option: 1

b > a > c > d 


Option: 2

b > a > d > c 


Option: 3

a > b > d > c 


Option: 4

a > b > c > d 


Answers (1)

best_answer

Nature of group and basicity -

Electron withdrawing groups ( -I and -M  effect ) decreases basicity, whereas Electron releasing groups ( +I and +M  effect ) increases basicity.

 

Ethyl and Methyl are electron-donating groups whereas the benzene ring is an electron-withdrawing group to the amine.

Correct order will be 

a > b > c > d 

The correct option is 4.

Posted by

Rishabh

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