|6 1 10 O 200 180 160 140 120 100 80 60 40 20 3-062 ppm CDS-S-144 ppm ompound Why? 3 separate peaks Rel. integral = 3 1.1 6 4. O 200 180 160 140 120 100 80 60 40 20 ppm ppm Cos-00-309 0-679 ompound Why? 8-

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Consider a molecule with the molecular formula C6H11BrO2    Draw a structure based on the data given.

Unknown 3 9 200 4000 8 7 6 3000 5 180 160 140 120 100 4 2000 80 1500 wavenumber (1/cm) 60 2 40 1 20 0 0 ¹H NMR data 0 (ppm) multiplicity integration 0.86 t 3 1.50 2.02 6.71 7.24 my 1000 13C NMR data (ppm) 13.7 19.0 37.9 176.4 500 sextet t S S 2 2 1 1

Below are the IR and mass spectra of an unknown compound. % Transmittance Relative Intensity 100 80- 60 40 20 0 4000 100 80 60 40 20 10 3500 3000 2500 2000 1500 Wavenumber (cm-1) elle 20 30 40 50 60 m/z 70 mm 1000 500 80 90 100

Label all peaks and EXPLAIN why those peaks were labeled as such

Which of these instruments can be used for quantitative determination of benzoic acid in soft drinks? i. Thermo Scientific Genesys 20 Single Beam Spectrometer ii. Agilent Cary Eclipse Fluorescence Spectrometer iii. Agilent Cary 100 UV-Vis Spectrometer iv. Perkin-Elmer AAnalyst 200 Double Beam Atomic Absorption Spectrometer v. Perkin-Elmer PinAAcle 900F Double Beam Atomic Absorption Spectrometer Oi and iii O i and vi i and vi ii and iv iii and vi

Please label the peaks for this reaction shown

Find the Mass Spec