Academic Integrity: tutoring, explanations, and feedback — we don’t complete graded work or submit on a student’s behalf.

Please identify what type of unknown compound this is based on its IR. Is it a k

ID: 532281 • Letter: P

Question

Please identify what type of unknown compound this is based on its IR. Is it a ketone, carboxylic acid, phenol, primary amine, secondary amine, tertiary amine, alcohol, or ester. If you know what the actual name of the unknown is please show proof or explain and if not please identify what type it is. (Hint: It is a white yellowish solid with an approximate melting point of 55-62 degrees celcius).

100 90 80 70 60- 50 4000 [Result of Peak Picking No Position Intensity 1 3734.48 92.8661 2880.17 89.8734. 9 613.16 84.3955 13 396.21 84.9222 17 787.779 83.1314 Peak Find Memory-46 3000 2000 Wavenumber [cm-1 Na Position Intensity No. Position Intensity 3369.03 92.5559 3 3097.12 90.5309 6 2357.55 84.3304 7 2342.12 86.4893 10 1580.38 88.4647 11 1470.46 81.8967 14 1274.72 83.7111 15 11 02.12 85.6759 19 16 13 14 112 1000 No Position Intensity 4 3067.23 89.1301 8 1753.94 94.5106 12 14.45.39 81.2354 16 1006.66 85.3556 650

Explanation / Answer

IR spectrum shown above has the following peaks

3097 cm-1 for sp2 =C-H stretch

3067 cm-1 for sp2 =C-H stretch

1753 cm-1 for C=O stretch

1580 cm-1 for aromatic C=C stretch

The potential identitiy of compound is an ketone or an ester