Question

What information can we gather from these three spectra (IR, H NMR, 13C NMR) to correctly identify the unknown compound? What is the identity of my unknown? Please explain how we get there and from what information we do so. I understand that I must initially use the rule of 13.

IR Spectrum:

OOT 08 TRANSMITTANCE [%] 09 0+ 4000 3500 3000 2500 2000 WAVENUMBER [cm-1] 15:00 10:00 500

H NMR Spectrum:

1H NMR 2 3 12.10ģ 10 PPM

13C NMR spectra:

13C NMR 180. 160.140 120100 8060 40 20 ó PPM El-MS: 136.1 MP = 180 to 181 °C BP = 274 to 275 °C

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Answer #1

Cla Unknown compound: Ti Hints: NMR o beak at ~ 12.7 ppm => must be a ble ® two peaks in aromatic region = a dalgala may be a

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