3) Analyze the following IR spectra and match each spectrum to the correct molecule using the list of molecules (only one structure for each molecule; not all molecules will be used). Draw the correct molecule in the box to the right. Label the relevant peaks in the spectra with the proper functional group. If the absence of key peaks led to your choice, indicate which key peaks were absent. Transmittance (%) 100 D 4000 Transmittance (%) 4000 NH₂ 3000 3000 2000 OH T 1500 Wavenumber (cm-¹) OH 2000 1500 Wavenumber (cm-¹) OH 1000 1000 HN 500 500

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Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.