Classify the following substituents according to whether they are electron donors or electron acceptors relative to hydrogen by the resonance and the inductive mechanisms. a = acceptor d = donor n = no effect

Classify the following substituents according to whether they are electron donors or electron acceptors relative to hydrogen by the resonance and the inductive mechanisms. a = acceptor d = donor n = no effect

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter16: An Introduction To Infrared Spectrometry

Section: Chapter Questions

Problem 16.12QAP

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Concept explainers

Diol

In chemistry there are so many chemical compounds that have a hydroxyl group but a chemical compound having two hydroxyl groups (-OH) is termed as a diol. It also implies the presence of two alcohols whereas polyols contain two or more than two hydroxyl groups (-OH). Glycol or 1,2-diol is an aliphatic diol that has two alcohol groups on adjacent carbon atoms. In industries, the most commonly used diol is ethylene glycol.

Question

Classify the following substituents according to whether they are electron donors or electron acceptors relative to hydrogen by the resonance and the inductive mechanisms.
a = acceptor
d = donor
n = no effect

1.
Inductive effect
Resonance effect
-N(CH3)2
:o:
2.
Inductive effect
Resonance effect
-ċCH,CH,CH,CHÖH
:O:
3.
-P-
Inductive effect
Resonance effect

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