CHM 2120 : 2120 Blackboard problem set 3 2013 - Spectroscopy.pdf
Document Summary
Ir spectroscopy: associate each of the following ir spectra with one of the following compounds and justify your answer, propanoic acid, 2-pentanol, benzyl alcohol, acetophenone, cont. Problem set 3 nmr, ir: associate each of the following ir spectra with one of the following compounds and justify your answer, 2-propyn-1-ol, 1-pentyne, 4-methylpentanenitrile, p-acetylbenzonitrile. Problem set 3 nmr, ir: give the number of peaks expected in the 1h nmr for the indicated protons in each of the following structures, b) c) Ch3: how many signals would be expected in the 1h nmr of the following molecules, b) c) Problem set 3 nmr, ir: explain the following differences in chemical shift. = 7. 1 = 7. 7 ppm: d) = 4. 2 ppm: determine the structure of the following unknowns using the table to fill in your answers. 8: determine the most likely structure of a compound, with the molecular formula. C9h12, which gave a 1h nmr spectrum consisting of:
