Chapter 7, Problem 64QRT

(a)

Interpretation Introduction

Interpretation:

U.V radiation is energetic enough to cause transitions in the energies of which kind of electrons in an atom has to be given.

Concept Introduction:

Absorption spectrum:  This is measurement of the amount of (UV-VIS) light absorbed by a liquid sample of a given path length. Absorbance is directly proportional to the concentration of matter in the sample.

The energy E of electromagnetic radiation is directly proportional to the frequency $\nu$ of the radiation.

Therefore,

$\begin{array}{l}E=h\nu \\ E=\frac{hc}{\lambda }\end{array}$.

Where, E is the energy, h is the Plank’s constant $\left(6.626\times {10}^{-34}Js\right)$, $\nu$ is the frequency of radiation, c is the velocity of light and $\lambda$ is the wavelength of the radiation.

(b)

Interpretation Introduction

Interpretation:

IR spectroscopy refers to what in a molecule has to be given.

Concept Introduction:

IR spectral studies: It is a spectroscopic technique which is used to determine the functional groups present in the given compound sample by absorbing characteristic frequency in particular range with respect to the group present in the given sample.