Post Lab 10 Discussion

The first one was a singlet with one hydrogen and

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only two environments. The first one was a singlet with one hydrogen and with 0 neighboring. It had a chemical shift of 4.531 and an integration of 1.00. It was the carbon that was attached to the benzene ring and had a connecting bromide on the other side. The second environment was a pentet, with five hydrogen’s and four neighboring. It had a chemical shift of 7.405 and an integration 2.47. Its assignment was a CH and its fragment is a benzene ring with double bonds. The NMR spectra for the other staring material, Phenylacetylene, had three environments. The first one was a singlet, with 1 H and 0 neighboring. It had a chemical shirt of 3.053 and an integration of 1. Its fragment was a carbon triple bond. The second environment was a doublet, with 2 H and 1 neighboring. It had a chemical shift of 2.6 and an integration of 3.115. it was part of the benzene ring fragment. The NMR spectra of the final product had a peak that indicated phenylethyne, multiple peaks indicated all the benzene rings from the starting materials and the products formed, and a peak indicated the actual alkene product formed, stilbene, which was covered up by the benzene peaks on the spectra. 3. The Gas Chromatography spectra showed that our product was not correct. It somewhat resembled our product, indicating a phenylethyne. There was also a Nitrogen bonded to three phenyls attached to it. This was most likely what our IR spectra picked up. Our final product produced an alkene (double bond), which was actually supposed to be a alkyne (triple bond). A carbon was lost meaning that the
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