How could the following pair of isomeric compounds be differentiated by massspectrometry?BrH3C`CH3H;CBr

Answered: How could the following pair of…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

How could the following pair of isomeric compounds be differentiated by mass
spectrometry?
Br
H3C
`CH3
H;C
Br

Expert Solution

Step 1-Introduction

The structure of the unknown molecule can be identified by spectroscopical methods such as proton NMR, 13C-NMR, infrared, and mass spectra. Notably, knowledge about the chemical formula can simplify the structure determination by providing enough information about the atoms present in the molecule.

The mass spectra can furnish direct information about the molar mass of the unknown molecule. Besides, the other mass values can be used to predict the fragmentation pattern of the molecule. The plot of the mass spectra is furnished as the relative abundance of the ions in the y-axis and $m / z$ value in the x-axis.

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