9) Deduce the structure of an unknown compound with molecular formula C5H80 using information given by its infrared spectrum Frequency (cm-1): 3100, 2950, 2800, 1695, 1610,1450, 1375 HO
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- What is the structure of the unknown? Determine it by analyzing the spectroscopic data given in IR, MS, 1H NMR, 13C NMR (Broadband decoupled with carbon types) and fully substantiate your answer with key supporting data from each spectrum.Identify w hich of the follow ing molecules are infrared active: N2, CO2, OCS, H2O, CH2 = CH2, C6H6.Identify and draw the structure of the important peaks in the MS spectral data of C9H8O given below.
- Draw the structure of the important peaks in the mass spectrum of C9H8O (unsaturation = 6) Major Peaks: m/z = 132, 103, 77, 538. a) Use the mass spectrum to determine the identity of the halogen atom (X) in the following molecular formula. 100 - C3H5XO2 80- 60 40 20- 152 154 20 40 60 80 100 120 140 160 180 200 m/z Relative IntensityC8H8O produces an IR spectrum with 3063, 1686, 1646 cm signals. HNMR is a singlet at 2.6ppm (3H), and multiplet at 7.5 (5H). What is the product
- Logically deduce the structure of compound 1B whose Spectra are given: Molecular formula C4H8OPredict the probable structure of a compound with formula Cl,Mn,CgOg, where the mass spectrum included prominent peaks at m/z= 404, 376, 348, 320, 298, 264, 236, 208, 180, 110 and 55 amu.Account for the following observations: (a) The 1H NMR spectrum of cyclohexane shows a single peak at room temperature, but when the temperate is lowered significantly the peak starts to broaden and then separates into two. (b) At room temperature, the 19F NMR spectrum of PF5 shows two lines, and even at the lowest experimentally accessible temperatures the spectrum is substantially unchanged. (c) In the 1H NMR spectrum of a casually prepared sample of ethanol a triplet and a quartet are seen. These multiplets show additional splittings if the sample is prepared with the careful exclusion of water.
- The base peak in the mass spectrum of 2,2,5,5-tetramethylhexane (molecular mass = 142) is at m/z = 57, which corresponds to a composition of C4H9. Suggest a structure for the fragment that accounts for this peak and offer a reason for why this fragment is so abundant.nd with the formula C7H120 shows the following spectroscopic data. Deduce the structure of the identify features which led to your decision, and label the peaks in the NMR. Ind (FENSALTICE*** 9 8 3000 7 6 2000 NAVENUITS EREGF 5 ppm 4 1500 3 mmmmm 2H 2H 2 2000 2H 1 6H mp 0Organic chemistry 2: from the attached NMR spectrum what can be the proposed molecule that corresponds to the spectrum. Please discuss how how you arrived at the identity of the compound.