Please provide a structure consistent with the following IR, 13C NMR, and 1H NMR spectra. Assign at least two bands in the IR and assign all protons in the 1H NMR/13C NMR spectrum. Show calculation of degree of unsaturation and explain your reasoning.

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Q: 15.39 Provide a mechanism for the following reaction, H₂SO, H₂O OH

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Q: How many different types of carbons are in this compund?

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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.