Grade 12Organic Chemistry
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??
1 Answer
Umakant biswal
@ 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 ..
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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