questions after the tables. • All Spectra in next pages A) Solid organic compounds: Salicylic Acid Chemical Bond Abs. Band (em') Functional group Benzoic acid Abs. Band (cm) 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?
ST ST 6 15 20 351543 3000 3000 30714 3000 23575 20330 259236 2732 2550 2500 Wavanumbers (1) Salicylic Acid 2500 Wavnumbers (1) Benzoic Acid 118210 1864 1979 191524 160105 1919 19 1500 14 1654.36 161245 157855 tales 13385 RMS TEXT 115570 100 10350 125 JER 1000 11700 1127 1314 40 93159 was 7523 10440 7071 9937 5503 53191 40 aa
2 ST 3500 335038 26 31540 313540 3000 3000 237455 deprises 2011 2500 Warenumbers (1) 2000 Ethanol 2500 Waverumbesc 2000 Acetanilide 195086 187375 15 166355 1500 1500 1421 H2 130 1892 143483 132250 GAL 120366 M JE 100 Nasr 10806 1024 3000, SE 085 0900 7436 25 660 COS
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 Please fill the following tables with the major functional groups (bonded atoms) exist in each provided compound. NOTES:
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