

Compound is a liquid, boiling point 136 C. The Mass, IR, and H NMR spectra, along with C NMR data, are given below....
Compound mpoundis aliquid boiling Elemental Analysis C, 90.51:11.9.49 The M R H NMR song with C NMR data are given below LUUL HTTTTTTTTTTTT 0 0. 0 0000 150 160 170 180 190 200 Infrared Spectrum 000 2000 Wave Number, om HNMR "C Spectral Data: singlet, 140.2 ppm doublet, 128.4 ppm doublet, 127.9 ppm doublet, 125.7 ppm triplet, 31.1 ppm quartet, 16.1 ppm DOC
Determine the structure of the compound based on the three
different spectras and provide explanations as to how you did
so.
Compound C. Elemental Analysis: C, 90.51; H, 9.49. 108 m/e CNMR Spectral Data: singlct. 140 doublet, 128.4 ppm riplet, 31.1 ppm doublet, 127.9 pm quartet, 16.1 ppm 2 ppmdoublet 125.7 ppm
Compound 21 is a liquid (boiling point 60" C) that has Z stereochemistry. The Mass, IR, and H NMR spectra, along with 13C NMR data, are given below. Elemental Analysis: C, 24.78; H, 208; contains a halogen Mass Spectrum 61 96 98 30 40 50 60 70 80 90 100 110 120 130 140 150 180 170 180 190 200 mVe Infrared Spectrum Wave Number, cm - 4000 3000 2500 1500 2000 1300 1200 1100 800 700 1000 900 ww...
1. What is the chemical formula of the unknown?
2. what is the mass of the unknown?
3. What is the HDI?
4. According to IR spectra, what functional groups are
present?
5. What is the structure of the molecule?
138 PRACTICAL SPECTROSCOPY Compound 80 is a liquid (boiling point 212 C), that can be prepared by the reaction of Compound 79 with acidic, anhydrous ethanol. The Mass, IR, and 'H NMR spectra, along with C NMR data, are given...
FOR EACH DETERMINE (if applicable):
• MS DATA
• IR DATA
• HNMR DATA
• CNMR DATA
• MOLECULAR FORMULA
• MOLAR MASS
• STRUCTURE AND EVIDENCE
Compound 56 is a high-boiling liquid (boiling point 229 C) that does not react with I, in aqueous base to give a yellow precipiale of CHI, (a negative iodoform test). The Mass, IR, and 'H NMR spectra, along with 1C NMR data, are given below. Analysis: Elemental C, 81.04; H, 8.16; O, 10.80....
29. The IR and 'H NMR spectra of Unknown B of molecular formula C,H,20, are given on the next page. [10 points] a. How many degrees of unsaturation are present in Unknown B? b. What functional groups are suggested by the IR spectral data? c. How many protons correspond to each signal of the 'H NMR? d. What C-H bonding (or types of protons) are suggested by the 'H NMR data? e. Suggest a structure consistent with parts 29a-d above....
what is the structure
C NMR data, are Compound 14 is a low-melting solid (melting point 45-49 "C). The Mass, IR, and H NMR spectra, along with given below. Elemental Analysis C, 85.69, H, 5.53; 0,8.78 Wave Number, om LLLLLL 'H NMR Structure: "C Spectral Data: singlet, 187.0 ppm singlet, 137.8 ppm doublet, 132 2 ppm doublet, 130.1 ppm doublet, 128.2 ppm C ole Company
2. Use the 'H NMR and IR data to determine the structure of the following compounds and name them. Compound A Molecular formula: CroH IR absorptions at N/A H NMR data: 1.3 (singlet, 9H), 7.0 to 7.5 (multiplet, 5H) ppm Compound B Molecular formula: CHO IR absorptions at 1H NMR data: 1735-1745, 1050 cm 0.93 (doublet, 6H), 1.52 (multiplet, 2H), 1.69 (multiplet, 1H), 2.04 (singlet, 3H), and 4.10 (triplet,2H) ppm Compound C Molecular ion: IR absorptions at 1710 cm 1H...
Question 5: (11 marks) Compound B, which contains only carbon, hydrogen and oxygen atoms, shows the mass, IR, H NMR and C NMR spectra given below a) With brief explanation, deduce the structure of Compound B b) Explain the mass spectroscopic signals at m/z 122, 105 and 77. Mass Spectrum 122 M° 150 70 90 100 110 120 130 140 150 150 170 180 100 200 mve Infrared Spectrum Wave Number,cm- 4000 3000 250 2000150 13 1 11001000900 80 Wavelengihn,...
yuLLIUI The IR and 'H-NMR spectrum of a compound with molecular formula 102 is provided below. What is its unsaturation number identify the key functional groups from the IR spectrum and explicitly state which stretches (with wavenumber) were used to identify them. Name or provide the condensed structure of a compound that will give rise to the above data (15 pts.) IR H-NMR-doublet - 79 ppm-2H, doublet - 7.3 ppm - 2H. quartet - 2.7 ppm - 2 triplet -1.2...