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If there is methyl group present on ortho of anniline , then basic character decreases. WHY??

If there is methyl group present on ortho of anniline , then basic character decreases. WHY??

Grade:12

1 Answers

Umakant biswal
5349 Points
7 years ago
@ ishita 
the besicity of para methoxy aniline is controlled by resonance effect , so, drawing resonance structure , we see that the para methoxy group is pushing electron density into the ring . this tend to keep the nitrogen lone pair more localised in nitrogen . 
so, THERE ARE ELECTRON ATTRACTION EFFECT OF METHYL GROUP . 
FOR THAT IT WILL REDUCE THE CHARGE ON NH2 
THUS DECREASING ITS BESIC CHARECTER OR BESICITY . 
HOPE IT CLEARS YOUR DOUBT 
ALL THE BEST ..

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