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11 Nov 2019
24.(9) Sketch your prediction of the proton NMR spectrum of the following compound, CI-CH CH-CH,-CI PART C. Do the following problems. (12 pts each) 24. (5 points) Why will a proton bonded to a carbon attatched to an electronegative substituent be further downfield than an alkyl substituent when using 'H NMR? 25. (5 points) What will the splitting pattern of the proton above the arrow show in a H NMR spectrum for the compound below according to the N+I rule? 26. (3 points) Will a terminal alkyne such as 2-pentyne ( nc-c=e-avon) show an IR absorption at 2190 cm.'? Briefly explain. 27. (3 points) How can you distinguish between a primary amine and a secondary amine using IR spectroscopy? 28. (6 points) Describe the relative size of the M and M+2 peaks for the alkyl chloride, CH,CH,CL
24.(9) Sketch your prediction of the proton NMR spectrum of the following compound, CI-CH CH-CH,-CI PART C. Do the following problems. (12 pts each) 24. (5 points) Why will a proton bonded to a carbon attatched to an electronegative substituent be further downfield than an alkyl substituent when using 'H NMR? 25. (5 points) What will the splitting pattern of the proton above the arrow show in a H NMR spectrum for the compound below according to the N+I rule? 26. (3 points) Will a terminal alkyne such as 2-pentyne ( nc-c=e-avon) show an IR absorption at 2190 cm.'? Briefly explain. 27. (3 points) How can you distinguish between a primary amine and a secondary amine using IR spectroscopy? 28. (6 points) Describe the relative size of the M and M+2 peaks for the alkyl chloride, CH,CH,CL
Collen VonLv2
23 Sep 2019