Apr 5, 2023 · What is the difference between EDG and EWG? The main difference between EDG and EWG is their effect on the electron density of a molecule. EDGs increase electron density in the molecule, while EWGs decrease electron density.

Dec 26, 2021 · For example an -OH connected to a ring. There are lone pairs that are directly next to the ring which means they can delocalize into the ring and add electron density. Therefore EDG. Now looks at similar groups like amines, -OR, esters and amides where the oxygen/nitrogen is directly next to the ring.

Jan 4, 2020 · You're right the O is more electronegative so OH is inductively electron withdrawing. However, it also has a lone pair of electrons which can be readily donated into the ring (mesomeric donation) so is strongly electron-donating by resonance. The latter effect dominates.

Jun 3, 2024 · The terms EDG and EWG are used in organic chemistry to describe how a substituent (an atom or group of atoms) affects the electron density around a molecule. EDG stands for the electron-donating group, while EWG stands for the electron-withdrawing group.

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Mar 13, 2019 · So, the only electron-related phenomenon to worry about in a simple straight-chain alcohol is that oxygen is more electronegative than carbon. The oxygen therefore inductively withdraws electron density.

Dec 6, 2023 · An EDG, or Electron Donating Group, donates electrons to a molecule, making it more reactive and nucleophilic. An EWG, or Electron-Withdrawing Group, withdraws electrons from a molecule, making it less reactive and nucleophilic.

Oct 17, 2018 · Can an Electron Withdrawing Group (EWG) (like NO2, F, Cl, OH, etc.) behave as a Electron Donating group (EDG) in a compound where a carbocation is present in order to stabilise it? Does the position where it is present or distance from the carbocation affect it's behaviour as an EWG or EDG?

Apr 9, 2011 · Is OH considered an EWG or and EDG? I know OR is an EDG, and my textbook contradicts itself with OH. It lists OH as EDG for aromatics, but in the carboxylic acid section, OH is electron withdrawing and makes carboxylic acids more acidic.

Organic chemistry involves numerous interactions and reactions, with Electron-Withdrawing Groups (EWGs) and Electron-Donating Groups (EDGs) playing key roles. Understanding the unique characteristics of these two types helps crystalize their impact on chemical reactivity and molecular stability.