Find the fragment and label the IR Problem 682266IR Spectrum(liquid film)174920001600V (cm")40003000120080010아Mass Spectrum688060No significant UVabsorption above 220 nm4020M*11386C5H,NO240 80120160200240280m/e% of base peak 13C NMR Spectrum(50.0 MHz, CDCI, solution)DEPT CH# CHf cн!solventproton decoupled20016012080408 (ppm)'H NMR Spectrum(200 MHz, CDCI, solution)TMS10876 543218 (ppm)

All the spectroscopy helps us to predict the structure of the unknown organic compound. Mass…

Problem 68 2266 IR Spectrum (liquid film) 1749 4000 3000 2000 1600 1200 800 v (cm") 100 68 Mass Spectrum 80 60 No significant UV absorption above 220 nm 40 20 86 M** 113 C5H,NO2 40 80 120 160 200 240 280 m/e % of base peak

Problem 68 2266 IR Spectrum (liquid film) 1749 4000 3000 2000 1600 1200 800 v (cm") 100 68 Mass Spectrum 80 60 No significant UV absorption above 220 nm 40 20 86 M** 113 C5H,NO2 40 80 120 160 200 240 280 m/e % of base peak

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter8: Sampling, Standardization, And Calibration

Section: Chapter Questions

Problem 8.28QAP

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Concept explainers

UV Visible Spectroscopy

Spectroscopy refers to the absorption or emission of light or other radiations by matter. When a substance or chemical absorbs light or radiation, they reach an excited state followed by de-excitation or emission of the light or radiation forming distinct spectra. UV-visible spectroscopy or ultraviolet-visible refers to the absorption and emission in the ultraviolet and visible regions of the electromagnetic spectrum.

Question

Find the fragment and label the IR

Problem 68
2266
IR Spectrum
(liquid film)
1749
2000
1600
V (cm")
4000
3000
1200
800
10아
Mass Spectrum
68
80
60
No significant UV
absorption above 220 nm
40
20
M*
113
86
C5H,NO2
40 80
120
160
200
240
280
m/e
% of base peak

13C NMR Spectrum
(50.0 MHz, CDCI, solution)
DEPT CH# CHf cн!
solvent
proton decoupled
200
160
120
80
40
8 (ppm)
'H NMR Spectrum
(200 MHz, CDCI, solution)
TMS
10
8
7
6 5
4
3
2
1
8 (ppm)

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