Concept explainers
(a)
To determine: The number of different kinds of protons present in toluene.
Interpretation: The number of different kinds of protons present in toluene is to be determined.
Concept introduction: The chemical shift is defined as the difference in parts per million in the absorption spectrum of a particular proton from the absorption position of a reference proton. Tetramethylsilane is taken as the reference proton. Chemical shifts are measured in parts per million and it is a dimensionless quantity.
(b)
To explain: The reason as to why the aromatic region around
Interpretation: The reason as to why the aromatic region around
Concept introduction: The chemical shift is defined as the difference in parts per million in the absorption spectrum of a particular proton from the absorption position of a reference proton. Tetramethylsilane is taken as the reference proton. Chemical shifts are measured in parts per million and it is a dimensionless quantity.

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Chapter 13 Solutions
Organic Chemistry Plus Masteringchemistry With Pearson Etext, Global Edition
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