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why acidity decreases when -I group attached to meta position

why acidity decreases when -I group attached to meta position

Grade:11

1 Answers

vikas askiitian expert
509 Points
11 years ago

-I group such as NO2 ,CHO etc... when attached at ortho or para position increases acidity because of resonance effect at these positions,but when grops placed at meta pos, then also acidity is increased but to lower extent because at meta position there is no resonance effect observed  so it is less acidic ...

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