Which of the following statements are true?

By John
0 Min Read

A
(I) and (III) are modest Bronsted bases, whereas (II) is not
B
In (III), N
a
is more basic than N
b
.
C
When (II) is protonated in the presence of a strong acid, protonation occurs at C-2
D
All the nitrogen present in (I),(II) and (III) are sp
2
-hybridised

Correct options are A) , C) and D)