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Chemistry, 12.03.2021 16:00 Tcareyoliver

You suspect an unknown compound possesses a disubstituted alkene. Select all pieces of spectroscopic information that must be present if your hypothesis is correct. signals in the 13C NMR spectrum around 140 ppm
stretch in the IR spectrum at approximately 1650 cm-1
signals in the 13C NMR spectrum around 200 ppm
signals in the 1H NMR spectrum around 5.5 ppm
stretch in the IR spectrum at approximately 1700 cm-1
stretch in the IR spectrum at approximately 2200 cm-1
signals in the 1H NMR spectrum around 10.0 ppm
stretches in the IR spectrum immediately above 3000 cm-1
broad stretch in the IR spectrum at approximately 3500 cm-1

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