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Concept explainers
Interpretation:
The given table has to be filled using Boltzmann distribution and why
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Explanation of Solution
Calculation of Wavelength for Sodium;
To calculate wavelength the formula that can be used is,
In the problem statement it is given that
Therefore, for Sodium,
Calculation of Wavelength for Copper;
To calculate wavelength the formula that can be used is,
In the problem statement it is given that
Therefore, for Copper,
Calculation of Wavelength for Bromine;
To calculate wavelength the formula that can be used is,
In the problem statement it is given that
Therefore, for Bromine,
To calculate
For Sodium,
For Copper,
For Bromine,
To calculate
For Sodium,
For Copper,
For Bromine,
The completed table can be given as,
Element |
|
|
|
Excited state energy(eV) | 2.1 | 3.78 | 8.04 |
Wavelength (nm) | 591 | 328 | 154 |
Degeneracy Ratio (
| 3 | 3 | 2/3 |
|
|
|
|
|
|
|
|
Bromine is not readily in absorption spectroscopy because the lowest excited state itself requires far-UV radiation for excitation. The excited state lies at such high energy which is not sufficiently populated to obtain the intensity for optical emission.
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Chapter 21 Solutions
Quantitative Chemical Analysis
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