Question
Chemistry Question on Amines
Arrange the following amines in the decreasing order of basicity:
A
I > II > III
B
III > II > I
C
I > III > II
D
III > I > II
Answer
III > I > II
Explanation
Solution
Basic strength increases as the electron donating capacity of nitrogen increases.
In compound III, the nitrogen has two lone pairs of electrons for donation whereas, in compound II, the lone pair of electrons are delocalized in the aromatic ring.