Concept explainers
(a)
Interpretation:
The materials as well as instrument components required for making an instrument used to investigate the absorption bands in the given range of wavelength.
Concept introduction:
Spectral lines help in identifying the atoms and molecules. These are result of absorption or emission of light in a comparatively narrower frequency range compared to the frequencies nearby.
(b)
Interpretation:
The materials as well as instrument components required for making an instrument used to obtain the absorption spectra in far IR − 20 to 50 µm needs to be suggested.
Concept introduction:
Spectral lines help in identifying the atoms and molecules. These are result of absorption or emission of light in a comparatively narrower frequency range compared to the frequencies nearby.
Spectral region consists of different wavelengths which are distinguished based on the sources used to produce them and detect the different wavelengths.
(c)
Interpretation:
The materials as well as instrument components required for making an instrument used to make a portable device to determine the iron content in natural water depending on absorption of radiation by red Fe(SCN)2+ complex needs to be suggested.
Concept introduction:
Spectral lines are lines which help in identifying the atoms and molecules. These are a result of absorption or emission of light in a comparatively narrower frequency range compared to the frequencies nearby.
Spectral region consists of different wavelengths which are distinguished based on the sources used to produce them and detect the different wavelengths.
(d)
Interpretation:
The materials as well as instrument components required for determination of nitrobenzene in air samples depending on absorption peak at 11.8µm needs to be suggested.
Concept introduction:
Spectral lines are lines which help in identifying the atoms and molecules. These are a result of absorption or emission of light in a comparatively narrower frequency range compared to the frequencies nearby.
Spectral region consists of different wavelengths which are distinguished based on the sources used to produce them and detect the different wavelengths.
(e)
Interpretation:
The materials as well as instrument components required for making an instrument used to determine the wavelength of flame emission lines for metallic elements in 200 nm to 780 nm region needs to be suggested.
Concept introduction:
Spectral lines are lines which help in identifying the atoms and molecules. These are a result of absorption or emission of light in a comparatively narrower frequency range compared to the frequencies nearby.
Spectral region consists of different wavelengths which are distinguished based on the sources used to produce them and detect the different wavelengths.
(f)
Interpretation:
The materials as well as instrument components required for making an instrument used for spectroscopic studies in vacuum UV region needs to be suggested.
Concept introduction:
Spectral lines are lines which help in identifying the atoms and molecules. These are a result of absorption or emission of light in a comparatively narrower frequency range compared to the frequencies nearby.
Spectral region consists of different wavelengths which are distinguished based on the sources used to produce them and detect the different wavelengths.
(g)
Interpretation:
The materials as well as instrument components required for making an instrument used for spectroscopic studies in the near IR region needs to be suggested.
Concept introduction:
Spectral lines are lines which help in identifying the atoms and molecules. These are a result of absorption or emission of light in a comparatively narrower frequency range compared to the frequencies nearby.
Spectral region consists of different wavelengths which are distinguished based on the sources used to produce them and detect the different wavelengths.

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Chapter 7 Solutions
Principles of Instrumental Analysis, 6th Edition
- Show the mechanism steps to obtain the lowerenergy intermediate: *see imagearrow_forwardSoap is made by the previous reaction *see image. The main difference between one soap and another soap isthe length (number of carbons) of the carboxylic acid. However, if a soap irritates your skin, they mostlikely used too much lye.Detergents have the same chemical structure as soaps except for the functional group. Detergentshave sulfate (R-SO4H) and phosphate (R-PO4H2) functional groups. Draw the above carboxylic acidcarbon chain but as the two variants of detergents. *see imagearrow_forwardWhat are the reactions or reagents used? *see imagearrow_forward
- The two pKa values of oxalic acid are 1.25 and 3.81. Why are they not the same value? Show the protontransfer as part of your explanation. *see imagearrow_forwardасть Identify all the bonds that gauche interact with C-OMe in the most stable conformation of the above compound.arrow_forwardPredict the reactants used in the formation of the following compounds using Acid-Catalyzed dehydration reactionarrow_forward
- Can I please get help with this?arrow_forward.. Give the major organic product(s) for each of the following reactions or sequences of reactions. Show ll relevant stereochemistry [3 ONLY]. A H Br 1. NaCN 2 NaOH, H₂O, heat 3. H3O+ B. CH₂COOH 19000 1. LiAlH4 THF, heat 2 H₂O* C. CH Br 1. NaCN, acetone 2 H3O+, heat D. Br 1. Mg. ether 3. H₂O+ 2 CO₂ E. CN 1. (CH) CHMgBr, ether 2 H₂O+arrow_forwardAssign this COSY spectrumarrow_forward
- Principles of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage Learning
