Which molecule is the best
match with the Ir spectroscopy shown?
Each spectrum corresponds to one of the IR molecules. Match each spectrum to the correct molecule. Spectrum 1460 * TRANSPETTANCE 1120 TLCT D 0821 0862 esti TTTTT 1sbe llwid sample between all plate HAVENUMBERS 99. Copyright 1994 Spectrum D NULLDISHA 1637 LCE TTTTTTTT capillary file between salt plates AVGUBERS Corrie 1993 Spectrum 6 19TINOS Cevich 1994 Spectrum F TSMETTANCE 37 BAVENUMERI Spectrum G 100 my TRANSMETTINCERI 2000 1500 KRYENUMERII Spectrum H 0.8 TRANSMITTANCE 1000 3000 2000 Wavenumber (cm-1) Spectrum 3000...
3. Below are four nitrogen-conta spectrumm ining compounds. Match the molecule to the IR NH2 CN NH2 4000 1500 1000 500 2000 wavenumber (1/cm) 1500 1000 500 2000 wavenumber (1/cm) 3000 4000 500 1500 1000 4000 3000 wavenumber (1/cm) n° 500 4000 3000 1500 1000 2000 wavenumber (1/cm) 3. Below are four nitrogen-conta spectrumm ining compounds. Match the molecule to the IR NH2 CN NH2 4000 1500 1000 500 2000 wavenumber (1/cm) 1500 1000 500 2000 wavenumber (1/cm) 3000 4000...
1. LABEL the relevant signals in the following IR spectrum & CIRCLE which molecule BEST matches the spectrum. (6 pts) 600-85 500-650 m 1. Stud TRANSMITTANCE [%] Carboxylic acidio-11) Daromatic 1-0 1500 1000 4000 500 ZOO NUMBER 3500 3000 2000 WAVENUMBER (cm-1)
IR spectroscopy 1. Match the following six compounds to the IR spectra shown below. Draw the structure in the box. On the spectra, mark all important peaks with arrows or circles, and label them with corresponding bonds. NH2 orte de Structure: IR Spectrum lould film) 1723 V 4000 2000 3000 1200 1600 V (cm ) Structure: IR Spectrum fiquld fam) 4000 2000 V (cm 16001200800 ) Exp - 119- Exp. 100 Structure: 3600-2500 IR Spectrum liguld fm) U 1715 4000...
IR Spectroscopy of Aspirin 1. Draw the structure of aspirin and state the chemical name of aspirin. 2. Indicate the regions (circle and label on your IR spectrum) of your spectrum that correspond to a carbonyl and a hydroxyl functional group. Identify two other regions that correlate with other functional groups/structural features. Indicate these regions on your spectrum (circle and label on your IR spectrum). 3. Use your IR spectrum, melting point data, and FeCly test results to characterize the...
2) Which is the most reasonable structure for a compound with this IR spectrum? Wavelength, (um) 2.2 2.4 2.6 3 3,5 4 4,5 5 5,5 6 1 8_9 10 11 12 13 14 16 MAN 4600 4000 3500 3000 2500 2000 1500 Wavenumber, (cm) 1000 800 600 (A) (B) ОН CH3(CH2)4-C=C-COCH; CH(CH2)3-C=C-CHCH (C) (D) H-C=C-(CH2)4CCH3 CH3(CH2)4-CH=CH-CH 3) Which structure is consistent with following IR spectrum? * 2.527 3 Wavelength, (um) 3,5 4 4,5 5 5,5 6 6,5 7 8 9...
9. For each of the three IR spectra shown below. choose the structure below that would best fit the spectrum. For full credit, show your work in interpreting each IR spectrum Abhance 2800 Wses/em 2588 0.995 0.99 0.985 0.98 2000 1000 3000 Wavenumber (cm-1) 0.8 0.6 0.4 0.2 0.0 2000 Wavenumber (cm-1) 1000 3000 TRANSMITTANCE ankamiiecaca
9) Which compound is consistent with this IR spectrum? INFRARED SPECTRUM A) CH3CH2CH2CH2CNH, TRANSMITTANCE CH3CH2CH2CH2CCH; ОН D) CH3CH2CH2CH2CHCH, B) CH3CH2CH2CH2COH 3000 2000 Wavenumber (cm-1) 1000
Which structure is most consistent with the following IR spectrum? 100 TRANSMITTANCE [%] 50 4000 500 3000 1000 2000 1500 WAVENUMBER (-1) OH ОН II
Which structure below will match the IR spectrum? 100 mm 500 1000 1500 2000 3000 4000 wavenumber cm-1 d С b The 'H NMR will match which structure below? PPM -OH CH; OCH2CH3 HC OCH3 e d b a By considering lone pairs and resonance structures, which of the following structures does NOT have tetrahedral geometry( sp3 hybridization) around any of its central atoms? A. B. X C. D. NH2 ОА OB