Spectroscopy: Choose the compound that matches the IR spectra (V) Part A Choose the compound responsible...
IR Worksheet-CHEM 2460 Spectrum A- Fare the IR spectra of the compounds shown, In Spectrum A-F, assign the major absorptions above 1500 em in the spectrum of each compound, (using and 8 2 [see background informationD) A. IR spectra of phenylethyne 100 80 40 20- 4000 3600 3200 2800 2400 2000 1800 1600 1400 1200 1000800 Wavenumber (cm) IR spectra of n-butyl acetate 100 B. 80 60 40 CHsCO(CH2)30% 20 4000 3600 3200 2800 2400 2000 1800 1600 1400 1200...
Click in the answer box to display choices Choose the compound that matches the IR spectrum shown. 100 50 4000 3500 3000 2500 2000 1500 1000 500 Wavenumber (cm-) A: D: The spectrum belongs to compound (select)
5. One of the following compounds is responsible for the IR spectrum shown. Label the peaks and choose the structure of the responsible compound. 1 TT NoC=0 ou C=0 O-H rsp. c-H Heath Hon da aroa 3,5 4 45 Wavelength (mm) 5 55 6 7 8 9 10 11 12 13 14 15 16 3500 MOO 2500 2000 1800 1800 wavenumber icm) 1400 1200 1000
27. Compound B has the following IR spectra. Choose the compound B in the above list. wavelength, micrometers 2.6 2.8 3 3.5 4 45 5 5.5 6 7 8 9 10 11 12 13 14 1516 100 E 80 E 60 c 40 ご20 0 3800 3400 3000 2600 2200 2000 1800 1600 1400 1200 1000 800 600 wavenumber, cm-1 (1.s-hexadiene, 1-methylcyclopentene, I-hexen-3-ol, dipropyl ether, trans-4-octene, cyclohexane, 3-hexanol, 0->0. ︿﹀NH2 ,
27. Compound B has the following IR spectra. Choose...
Putting It Together: Spectroscopy 1. You identity a new compound X Mass spectroscopy suggests a molecular forma following IR and proton NMR spectra are recorded: troscopy suggests a molecular formula of CH120, and the Wavelength (m) 0.05 Absorbance 80.40 0.60 204 4000 3500 3000 2500 100 500 400 200 2000 1800 1600 1400 1200 1000 Frequency (cm ) 200 500 TAHT 31 2H 1 H 6.0 5.0 4.0 8 (ppm) Deduce the structure of compound X, and explain the assignment...
Review Part A One of the following compounds is responsible for the IR spectrum shown. Choose the structure of the responsible compound. • Previous MacBook Air nents wey ON Submit Request Answer Provide Feedback
Circle which compound matches the given IR spectrum (4 pts): =O 2.6 2.8 3 3.5 4 4.5 wavelength, micrometers 5 5.5 6 7 8 9 10 11 12 13 14 1516 percent transmittance 800 600 3800 3400 3000 2600 2200 2000 1800 1600 1400 1200 1000 wavenumber, cm1 2. For the following compounds, how many signals would you expect to see in the 'H NMR spectrum (6 pts)? Сн, сн, HH
Circle which compound matches the given IR spectrum (4 pts): =O 2.6 2.8 3 3.5 4 4.5 wavelength, micrometers 5 5.5 6 7 8 9 10 11 12 13 14 1516 percent transmittance 800 600 3800 3400 3000 2600 2200 2000 1800 1600 1400 1200 1000 wavenumber, cm1 2. For the following compounds, how many signals would you expect to see in the 'H NMR spectrum (6 pts)? Сн, сн, HH
Circle which compound matches the given IR spectrum (4 pts): =O 2.6 2.8 3 3.5 4 4.5 wavelength, micrometers 5 5.5 6 7 8 9 10 11 12 13 14 1516 percent transmittance 800 600 3800 3400 3000 2600 2200 2000 1800 1600 1400 1200 1000 wavenumber, cm1 2. For the following compounds, how many signals would you expect to see in the 'H NMR spectrum (6 pts)? Сн, сн, HH
2. The following IR spectra each include the structure of the corresponding compound directly on the spectrum (continued on following pages). • Based on the given structures and the information provided in Tables 8.1 and 8.2, assign as many of the major absorptions as possible directly on the spectra o indicating what type of bond O and whether it corresponds to bending or a stretching vibration. Transmittance (%) 0 + 4000 3600 3200 2000 2400 1400 1200 1000 800 600...