AT&T LTE 2:23 PM Done Fa18 280_E1_Take-home.docx Matching 12-1 MATCH a structure

Question

AT&T LTE 2:23 PM Done Fa18 280_E1_Take-home.docx Matching 12-1 MATCH a structure from the list below to the following IR spectra. Place the letter of the structure in the blank to the right of the question number XY .00 "O" 21. Refer to Matching 12-1. with the best compound fit from the table above and then identify three Match the spectrum functional group possibilities for three peaks. 22. Refer to Matching 12-1. with the best compound fit from the table above and then identify three functional group possibilities for three peaks. Match the spectrum

Explanation / Answer

21. Compound A, unsaturated ketone

Peaks at 3100 for =CH and at 2985 for CH stretch and at 1710 for C=O and at 1630 for C=C.

22. Compound D,hydroxy ketone

Peaks at 3350 , 2980,1700 are due to OH, CH and C=O respectively.

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