match the correspoding molecule to IR spectrum. ( only on molecule per spectrum) Molecule 1NH2Molecule 3CHH&C.CH3-CH3Molecule 5HOMolecule 2Molecule 4Molecule 6ЛонOHMolecule 7Molecule 8OHNH2OCH3Molecule 9OHCH3Molecule 10 TRANSMITTANCEX TRANSMITTANCESpectrum &19048003500Spectrum F1003000tiquid between salt plates25001500WAVENUMBERSD400030002000150010005:00NAVENUMBER+11830Comright 19949935500.B

Spectrum E:shows band at 1725 cm-1 which is for C=O stretching, hence compound should have carbonyl…

Answered: Molecule 1 NH2 Molecule 3 CH H&C. CH3…

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter24: Introduction To Spectrochemical Methods

Section: Chapter Questions

Problem 24.2QAP

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Use the data in Figure 4.8 to estimate the ratio of radiation intensity at 10,000 Å (infrared) to that at 5000 Å (visible) from a blackbody at 5000 K. How will this ratio change with increasing temperature? Explain how this change occurs.
What structure would match the data ?
. What is the molar absorptivity when the percent transmittance is 56.2%, the pathlength is 2.00 cm, and the concentration is 0.0000748 M?
3
You will check the outcome of reaction via infra-red spectroscopy: what are the diagnostic functional group peaks for the following compounds? You should also indicate the stretching motions responsible for absorbance. Dilantin benzil (unreacted starting material) Urea (unreacted starting material)
QUESTION 5 The IR, 'H NMR and 1°C NMR spectra of compound P are shown below. The molecular formula for compound P is CsH;NO2. Identify three (3) important absorption peaks on the IR spectrum and indicate the bond and wavenumber associated with each peak. Elucidate the structure of compound P and assign each peak in the 'H and 13C NMR spectra. (Hint: The compound consists of more than one functional group). а. b.
Transmittance (%) 100% 75% 50% 25% 0% 4000 3500 3000 OH 2500 2000 Spectrum 3B 1750 حسيمة 1500 Wavenumber (cm-¹) 1250 .OH 1000 OH 750 500
Interpret IR data
Potassium dichromate and potassium permanganate have overlapping absorptionspectra in 1M H2SO4 . K2Cr2O7 has an absorption maxima at 440 nm, and KMnO 4 has a band at 545nm (the maximum is actually at 525 nm, but the longer wavelength is generally used whereinterference from K2C2O7 is less). A mixture is analyzed by measuring the absorbance at these twowavelengths with the following results: A 440 =0.405, A 545 =0.712 in a 1-cm cell. The absorbances ofpure solutions of K2Cr2O7 (1x10 -3 M) and KMnO 4 (2.00x10 -4 M) in 1 M H 2 SO 4 , using the same cell gavethe following results: A Cr,440 = 0.374, A Cr,545 = 0.009, A Mn,440 =0.019, A Mn,545 = 0.475. Calculate theconcentrations of dichromate and permanganate in the sample solution.
Please what molecule is this
Please what molecule is this
Explain in detail:

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