ORGANIC CHEMISTRY-WILEYPLUS ACCESS PKG.
ORGANIC CHEMISTRY-WILEYPLUS ACCESS PKG.
12th Edition
ISBN: 9781119766919
Author: Solomons
Publisher: WILEY
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Chapter 14, Problem 34P
Interpretation Introduction

Interpretation:

The structure of compound L is to be proposed and the assignment for the peaks in IR spectrum is to be done.

Concept introduction:

IR spectroscopy is used to determine the presence of functional groups in the compounds.

NMR spectroscopy is used to determine the presence of equivalent protons in the structure of the compound.

In the IR spectra, benzene shows absorption at 3030 cm-1 for the CH stretching. Monosubstituted benzene gives peaks between 690 and 770 cm-1.

Para di-substituted benzene gives a strong peak between 800 and 860 cm-1.

Aromatic rings show absorption at 3030 cm-1 due to CH stretching and between 1600-1400 cm-1 due to C=C stretching vibrations.

Alkyl groups show absorption between 2950 and 2850 cm-1 due to CH stretching.

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Chapter 14 Solutions

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