2 Peak Find Memory-6 12 14 15 18 13 30 A2 4000 3000 Wave number [cm-11 of Peak P

Question

2 Peak Find Memory-6 12 14 15 18 13 30 A2 4000 3000 Wave number [cm-11 of Peak Picking sition Intensity No. Position Intensity No. Position Intensity No. Position Intensity 8.43 127.035 2 3181.01 126.686 3 3152.08 126.182 4 3075.9 118.545 .37 112.065 6 2967.91 108.242 7 2937.06 106,492 8 2911.99 113.453 63 90.4528 10 2805.92 108.256 11 2739.39 105.652 12 2635.25 124.407 4 122.726 14 2516.65 124,798 15 2429.87 125.407 16 2360.44. 1 293 16 119.918 18 2271.73 125.236 19 2067.32 125.199 20 2016 21 122.421 1 6 123.735 22 1908.22 123.18 23 1867.72 123.927 24 1843.61 124.777 124.473 26 1791.55 122.372 27 177 1.3 120.642 28 1697.05 11 233 13.3441 10.9059 30 1600.63 3.73559 1577.49 20.3045 32 1540.85 75.8235 22.9646 34 77.8011 35 1442.49 92.8158 36 1427.07 739367 96.7678 38 1459.85 44.8679 40 1301.72 9.83711 1362.46 112.45 39 1315.21 4.84422 42 1215.9 42.1992 43 1182.15 77.7311 44 1160.94 75.877 1071 A4AR 47 941.092 119.309 48 854.311 1000

Explanation / Answer

Interpretation of IR spectrum

the given spectrum shows peaks at,

3000-3100 cm-1 for sp2 =C-H stretch

2850-2950 cm-1 for sp3 -C-H stretch

1720 cm-1 for C=O stretch

1620-1680 cm-1 for C=C stretch

1500-1600 cm-1 for aromatic C=C stretch

The possible structure of the compound would thus be,

C6H5-CH=CH-CO-CH3

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