question_answer

Arrange the following amines in the order of increasing basicity. JEE Main Online Paper (Held On 10 April 2015)

A)

B)

C)

D)

Correct Answer: A

Solution :

                 Basicity \[\propto +M\]group \[\propto \frac{1}{-M\,group}\] ( L.P is not involved in conjugation ? it is more basic )