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How do decide whether the electron density on a ring is greater or less in the presence of certain functional groups.

How do decide whether the electron density on a ring is greater or less in the presence of certain functional groups.

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Grade:11

1 Answers

Adarsh
768 Points
6 years ago
electron density on a ring is greater or less this will be decided by the presence of functional group in it if it is attached by a functional group which donates electron by mesomeric effect then electron density in the ring will be more and if it is attached by a functional group which shows -M effect then electron density will be less on ring.. some +M group are -OH , -NH2 etc            . some -M group are -NO2,-COOH,-CN etc

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