Home Chemistry AMINES (Nitrogen Containing Compounds) JEE Main 2019 Arrange the following amines in the decreasi…
Chemistry AMINES (Nitrogen Containing Compounds) JEE Main 2019 Single Correct MCQ
Published on: August 13, 2026

Arrange the following amines in the decreasing order of basicity:

A
I > II > III
B
III>I>II
C
III>II>I
D
I>III>I

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The correct answer is:
B

Compound, III is most basic as the lone pair of nitrogen is easily available for the donation.

In case of compound (I) lone pair is not involved in resonance but nitrogen atom is hybridsed whereas in compound II the lone pair of nitrogen is involved in aromaticity which makes it least basic.

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