question_answer

The correct increasing order of basic strength for the following compounds is    

(i)

(ii)

(iii)

A)  II < I < III             

B)         II < III < I

C)  III < I < II             

D)         III < II < I

Correct Answer: A

Solution :

                 \[-N{{O}_{2}}\]has strong ?R effect and \[-C{{H}_{3}}\] shows +R effect. \[\therefore \]Order of basic strength is