Organic Chemistry Study Guide and Solutions
Organic Chemistry Study Guide and Solutions
6th Edition
ISBN: 9781936221868
Author: Marc Loudon, Jim Parise
Publisher: W. H. Freeman
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Chapter 16, Problem 16.67AP
Interpretation Introduction

Interpretation:

An explanation as to why three singlets of equal intensity appear at 60 °C while the two singlets appear at 36 °C with the intensity ratio of 2:1 for the methyl groups of isopropylmesitylene is to be stated.

Concept introduction:

Many nuclei and electrons have spin. Due to this spin magnetic moment arises. The energy of this magnetic moment depends on the orientation of the applied magnetic field. In NMR spectroscopy, every nucleus has a spin. There is an angular momentum related to the spin. The difference between its resonance frequency and that of the reference standard is known as the chemical shift of a nucleus. Tetramethylsilane (TMS) is taken as reference.

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Organic Chemistry Study Guide and Solutions

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