Chapter 13, Problem 13.34P

Interpretation Introduction

(a)

Interpretation:

The reason as to why $trans\text{-1-chloro-2-butene}$ and $\text{2-chloro-1-butene}$ is inconsistent with the given data 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.

Interpretation Introduction

(b)

Interpretation:

The assignment of the given data to the compound is to be validated. The resonances in the $\text{δ 5}\text{.0-5}\text{.3}$ with $={\text{CH}}_2$ proton is to be identified. The explanation for the corresponding answer 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.