Chapter 16, Problem 16.10P

Interpretation Introduction

(a)

Interpretation:

An explanation as to why the compound A has a UV spectrum with considerably greater ${\lambda }_{\max }$ values and intensities than are observed for ethylbenzene is to be stated.

Concept introduction:

Spectroscopy method is used to identify the structure of the molecule. It is based on the interactions between matter and electromagnetic radiations. The absorption is a phenomenon in which the matter goes into the bulk phase. The absorption of light in the UV region happens due to the transition of electrons from one level to another. ${\lambda }_{\max }$ is the wavelength of maximum absorption.

Interpretation Introduction

(b)

Interpretation:

In reference to the answer of part (a) an explanation as to why the UV spectra of compounds B and C are virtually identical is to be stated.

Concept introduction:

Spectroscopy method is used to identify the structure of the molecule. It is based on the interactions between matter and electromagnetic radiations. The absorption is a phenomenon in which the matter goes into the bulk phase. The absorption of light in the UV region happens due to the transition of electrons from one level to another. The ${\lambda }_{\max }$ is the wavelength of maximum absorption.