Please fill the following tables with the major functional groups (bonded atoms) exist in each provided compound. NOTES:

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Please Fill The Following Tables With The Major Functional Groups Bonded Atoms Exist In Each Provided Compound Notes 1 (133.9 KiB) Viewed 55 times

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Please fill the following tables with the major functional groups (bonded atoms) exist in each provided compound. NOTES: 1) (4 Abs. Bands) at least are required in each table (for solids), (2-3 Abs. Bands for liquids). 2) Use the followings to help you in interpretation your spectrum: 3) (Compound's structure, Table of frequencies, IR spectrum for the compound) 4) Answer the questions after the tables. All Spectra in next pages A) Solid organic compounds: Salicylic Acid Abs. Band (cm) Chemical Bond Functional group Benzoic acid Abs. Band (cm-1) Chemical Bond Functional group

Acetanilide Abs. Band (cm) Chemical Bond Functional group B) Liquid organic compounds: Ethanol Abs. Band (cm) Chemical Bond Functional group Questions: 1) When does the molecule respond to IR? 2) Mention 4 of the vibration modes occurs to the molecule in IR instrument. 3) Why we should mix (sample + KBr) during the preparation of sample to be measured in IR instrument?

8 40 25 45 20 OE 15 35 8. UM G 25 20 351542 3500 323746 307149 300633 3000 285754 283302 26 73.28 2592 38 2556 54 Salicylic Acid 2500 Wavenumbers (cm-1) 2000 Benzoic Acid 1982 84 1970.85 19 15:24 186489- 36635 16 1245 168605 1578.56 152074 1500 1889787 42485446554 1496.14 1383 83 132487 12914-94 1295 124954 121021 115670 1089.18 103059 1179 02 1127 32 102633_446905 96467 999.85 891.71 8522647 933 59 75932 78478 804 40 707 14 666.86 683 28 56700 531.97 46407 550 58 43nn3 2 R2

967 % 8 동 CH 8 8 3500 3350 35 3294 60 3194 01 313544 000E 297453 3059 9820.97 289116 280143 르 2500 Wav enumbers (1) 2000 Ethanol 2500 Wav enumbers (cm 2000 Acetanilide 1950.88 1873.773 1658.67 1663.85 1500 1500 1455 225 136208 1390.26 127475 158624 143483 1288.81 132256 1263.66 1000 104957 1179 131 5998 9812196 88095 104029082 906 80 754.98 860.30 694.28 86484 106.13 421 A 510 34 583.