Due to time constraints, the preparation of 1-iodo-4-nitrobenzene was no longer included in today's experiment. However, if it was, you would have used IR to confirm you synthesized 1-iodo-4- nitrobenzene from p-nitroaniline. How can IR spectroscopy differentiate these two compounds? To assist with answering this question, see the IR spectra of these compounds in Fig. 1-2. 4800 LOD D 4000 3000 3000 BOOK 1500 AVENUE Figure 1. IR spectrum of 1-iodo-4-nitrobenzene exce VEMBER Figure 2. IR spectrum of p-nitroaniline 1000 M 1000

Due to time constraints, the preparation of 1-iodo-4-nitrobenzene was no longer included in today's experiment. However, if it was, you would have used IR to confirm you synthesized 1-iodo-4- nitrobenzene from p-nitroaniline. How can IR spectroscopy differentiate these two compounds? To assist with answering this question, see the IR spectra of these compounds in Fig. 1-2. 4800 LOD D 4000 3000 3000 BOOK 1500 AVENUE Figure 1. IR spectrum of 1-iodo-4-nitrobenzene exce VEMBER Figure 2. IR spectrum of p-nitroaniline 1000 M 1000

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Number 12 pls
Use the NMR spectrum provided to calculate the percent trans isomer for the reduction of 4-t- butylcyclohexanone reaction outcome. Chemical shift values and associated integration values are provided in the table. Chemical Shift (ppm) 3.51 4.02 O 100% O 75.2% O 57.1% O 42.9% 11% Integration 1.33 1.00
A student performed a reaction using 2-methoxyethanol as solvent under acid catalyst. When the solvent was redistilled, a higher boiling fraction (bp=162 °C) was also recovered. The mass spectrum showed a molecular ion at 134 m/z. The H nmr spectrum showed a triplet integrating for 2 at 3.55 ppm, a second triplet integrating for 2 at 3.65 ppm, and a singlet integrating for 3 at 3.4 ppm. Give the structure of the newly formed material that is consistent with this data.
You did a reaction where you weren't sure whether you had a pure sample of 2-chloro-2- ethoxypropane, 2-bromo-2-ethoxypropane or a mixture. How could you tell from the ¹H NMR below, and if it is a mixture, what was the ratio of components? Answer with specific examples. 4 Integrations 2.4 Br 2 PPM 5.8 1.4 3.6 0
draw out what the 2d NMR simulation would look like for the data below. It should be around 10 simulation since its 5 sets of 2 molecules: Pair 1: Acetaldehyde and PropionaldehydeAcetaldehyde:H: 9.55 (d), 2.93 (d)C: 206.9, 30.89Propionaldehyde:H: 9.57 (t), 2.12 (d), 1.48 (sextet), 0.92 (t)C: 209.6, 37.34, 30.95, 10.34 Pair 2: Allyl Alcohol and EthanolAllyl Alcohol:H: 5.16 (dd), 5.06 (m), 3.99 (d)C: 137.4, 116.36, 62.96Ethanol:H: 7.03 (t), 3.54 (d), 1.06 (t)C: 58.3, 17.63 Pair 3: Glycolaldehyde and GlyoxalGlycolaldehyde:H: 4.94 (t), 5.13 (d)C: 90.63, 62.96Glyoxal:H: 5.87C: 91.4 Pair 4: Formate and BicarbonateFormate:H: 8.78 (d)C: 172.2Bicarbonate:H: Not providedC: 161.16 Pair 5: Methanal and HydroxyacetoneMethanal:H: 3.23C: 49.76Hydroxyacetone:H: 4.25 (t), 2.02 (d)C: 68.36, 25.63 Acetaldehyde and Propionaldehyde H-H COSY: Cross-peaks for acetaldehyde (H: 9.55 ↔ 2.93).Cross-peaks for propionaldehyde (H: 9.57 ↔ 2.12, 1.48 ↔ 0.92).HSQC: Correlations between H and C chemical shifts for…
1. Compare the IR spectra of the cyclohexanone and cyclohexanol – what are thedifferences? Provide an interpretation.2. Why is NaCl added to the aqueous phase when the product is extracted withether during the reduction of cyclohexanone with sodium borohydride?3. How would you modify the reaction conditions to effect the reduction of cyclohexanone with sodium borohydrideusing lithium aluminium hydride as the reducing agent?
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Please help with the following Organic Chemistry question regarding NMR for the compound
What would you expect to see in the 2200-1500 cm-1 region for IR for the following compounds: 3-phenoxy-1-propanol What would you expect to see in the 3400-2500 cm-1 region for IR for the following compounds: 1,4-dioxaneBenzaldehyde Sketches appreciated
11. (a) Explain the following : (i) NMR time scale (with example) (üi) The -OH proton resonance is found at 85-80 ppm for phenol (in dil. CDC13) and at d 10-67 ppm for o-nitrophenol (in dil. CDC13)
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