Unknown # ____7 _____ is identified as _____Acetone________________.
•Using the table of IR frequencies, label the major functionalgroups shown for your molecule on the IR
spectrum and attach the labelled spectrum.
Bond C-H C-H C-H CEC CEC C=C C-o Table of Characteristic Infrared Absorption Frequencies Compound Type Frequency Range, cm Alkanes 2960-2850(s) stretch 1470-1350(v) scissoring and bending CH: Umbrella Deformation 1380(m-w) - Doublet-isopropyl, t-butyl 3080-3020(m) stretch Alkenes 1000-675(s) bend Aromatic Rings 3100-3000(m) stretch Phenyl Ring Substitution Overtones 2000-1600/w) – fingerprint region Alkenes 1680-1640(m/w) stretch Alkynes 2260-2100(w,sh) stretch Aromatic Rings 1600, 1500(w) stretch Alcohols, Ethers, Esters, Carboxylic acids 1260-1000(s) stretch Aldehydes, Ketones, Esters, Carboxylic acids 1760-1670(s) stretch Monomeric-Alcohols, Phenols 3640-3160s, br) stretch Hydrogen bonded-Alcohols, Phenols 3600-3200(b) stretch Carboxylic acids 3000-2500(b) stretch Amines 3500-3300(m) stretch 1650-1580(m) bend Amines 1340-1020(m) stretch Nitriles 2260-2220(v) stretch Nitro Compounds 1660-1500(s) asymmetrical stretch 1390-1260(s) symmetrical stretch C=0 O-H N-H C-N CEN NO V-variable m-medium s-strong br - broad w - weak
Perime Spectrum He Vin MP Setap Navigation Hels Sartou End Accum Sample 4000 700 Scam Analyst 206 See View 1 tee Table Description Sample Tip Bacon Mon TL SUMO 23 TA АЛ a-b Absorber Before On A Label Compare Search an 102 100 95 so 90 15 30 751 704 12 195 65 6 56 564 45 401 35 304 4000 350 3000 Name 2500 cm.1 2000 1500 Any Deretan Samglt205 By Analyst Date de Agul 1000 700
Unknown # is identified as Using the table of IR frequencies, label the major functional groups shown for your molecule on the IR spectrum and attach the labelled spectrum. . Using the table of chemical shifts and your NMR spectrum, label each signal in the spectrum to indicate which proton in the molecular structure of the identified unknown it belongs to, and attach the spectrum.
Unknown # ____7 _____ is identified as _____Acetone________________. •Using the table of IR frequencies, label the majo
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Unknown # ____7 _____ is identified as _____Acetone________________. •Using the table of IR frequencies, label the majo
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