Please look at each IR and identify what type of unknown compound this is. Is it

Question

Please look at each IR and identify what type of unknown compound this is. 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.

Peak Find Memory-63 80 70 60 30 223 50 29 25 27 31 7190 16 32 26 12 13 15 33 24 40 30 4000 3000 1000 650 2000 Wavenumber [cm-11 [Result of Peak Picking No Position Intensity No Position Intensity No. Position intensity No Position Intensity 3629,37 57.8247 -2 3567.66 50.3552 3348.78 41.4802 3073.98 50.8042 5 3038.3 50.2863 3011.3 53.2076 7 2931.27 32.622 8 2855.1 38.8789 9 2664.18 56.6139 10 1636.3 49.7249 11 1626.66 48.4404 12 604.48 45.7692 13 1499.38 45.5674 14 465.63 48.6088 15 1450.21 44.2217 16 1363.43 47.6989 17 1346.07 49.7408 18 328.7 50.9754. 19 290.1 49.7643 20 1258.32 49.2634 21 1236.15 52.1171 22 1173.47 52.4606 23 11 38.76 52.9957 24 065.48 43.3383 25 1024,98 48.8731 26 968.09 46.688 27 889.023 49.9082 28 862.025 56.9099 29 843.704 51.5087 30 816,706 56.0164. 31 787.779 50.3427 32 749.209 47.6373 33 692.32 43.7635

Explanation / Answer

Spectrum A: 3348- OH stretch of COOH, 3073- Aromatic C-H stretch, 2931- Normal C-H stretch and 1636 is due to Carbonyl group of COOH, 1258- C-O stretch.

Spectrum B: 3349&3213 corresponds to NH2 stretch of primary amide, 3071 corresponds to Aromatic C-H proton and peak at 1654 goes to carbonyl group of amide.

1173-C-O stretch.

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