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- How can you distinguish aldehydes, ketones, and carboxylic acids from each other using IR spectra? Explain using specific examples.Question 37 Which is TRUE for spectroscopy of a mixture? O A. The absorbance for a mixture at a particular wavelength is the sum of the absorbances for the components that absorb at the particular wavelength. B. Spectrophotometers can differentiate between mixture components that absorb at the same wavelength. O . Each component in a mixture has the same molar absorptivity at the same wavelength. O D. The concentration for each component in a mixture is easily calculated by least squares for guesses of each component when the individual spectra are well resolved.Which is TRUE for spectroscopy of a mixture? A. The absorbance for a mixture at a particular wavelength is the sum of the absorbances for the components that absorb at the particular wavelength. B. Spectrophotometers can differentiate between mixture components that absorb at the same wavelength. C. Each component in a mixture has the same molar absorptivity at the same wavelength. D. The concentration for each component in a mixture is easily calculated by least squares for guesses of each component when the individual spectra are well resolved.
- Sample #1 has an absorbance of 0.300. Sample #2 is the same substance and has an absorbance of 0.600 using the same equipment. What is the relative concentration of the second sample? Select one: a. The concentration of sample #2 is the square root of that of #1. b. The concentration of sample #2 is that of sample #1 squared. c. The concentration of sample #2 is half that of sample #1. d. The concentration of sample #2 is twice that of sample #1.1. Draw two constitutional isomers of the formula C6H11B1. Explain how you would differentiate those molecules using either spectroscopy or spectrometry. You only need to differentiate them using one example.Explain why these are the correct spectra for the molecules. Identify a specific absorption band which identifies each characteristic functional group of the molecule chosen.
- Can someone help me interpret this data to be put on my research paper? This is the absorbance spectrum fo Sulfamethoxazole (sulfonamide antibiotic). Thank you so much!Counterfeit drugs are a common problem in developing regions of the world. Oftentimes, counterfeit pills are made with compounds such as lactose. A lab technician has obtained the IR spectrum shown above for a sample reported to be citalopram, an antidepressant drug. Does the IR spectrum belong to citalopram or lactose? Explain your answer by describing what feature of the IR spectrum confirms your choice and describe what feature is missing from the IR spectrum for the other compound. A. citalopram B. lactose2. You have two solutions of the same compound that are blue. One is very pale and the other is very intense. Absorbance of each solution was measured with a spectrophotometer at the same wavelength at which the solution absorbs. a) Which solution has the higher absorbance? b) Which is the more concentrated solution?
- Why is it important for solutions to be diluted before they are run through spectroscopy?Explain why this is the correct spectra for these molecules. Identify a specific absorption band which identifies each characteristic functional group of the chosen molecule.Determine the structure of the molecule using the chemical formula and NMR spectra. Can someone help me walk through this problem? Please show the structure and how you got it.