Measure and fully assign an IR spectrum of the crude and recrystallized benzoic

Question

Measure and fully assign an IR spectrum of the crude and recrystallized benzoic acid.

First picture is crystallized and second is crude.

Agilent Technologies Method Name Defaut User lab user eana32 Scana 32 Date/Time: 26/2017 6 43 42PM Range: 4,000 00-650 00 StatusGood Location CProgram Fles (Agient Microl.ab PC Resuts 12017-09-26T18-50-20.a2r 70 sa 100 977 87 01 577 4101 173 39 2 48 932 1484 2931 33 24051 933. 23 e87. 21 ,es 1122 1290 11135 3500 4000 roe 11 3000 2500 Wavenumber (cm-1) 2000 1500 1000

Explanation / Answer

BENZOIC ACID

IR CHARACTERISTIC SIGNALS

OH BROAD STRETCH FROM 2576 TO 3070

Ar-H 3070

C=O 1651

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