100 80- 60- 40- 20. 0. 4000 3500 3000 2500 2000 1500 1000 Wavenumber (cm") What information may be revealed from the IR spectrum shown below? (You may need to select more than one option) A) The compound has sp2-s 8 bond B) The compound has sp3-s 8 bond C) The compound has sp-s sigma bond D) The compound has a functional group of amine. E) The compound has a carbonyl group F) The compound has a functional group of alcohol. G) The compound has a functional group of carboxylic acid % Transmittance

100 80- 60- 40- 20. 0. 4000 3500 3000 2500 2000 1500 1000 Wavenumber (cm") What information may be revealed from the IR spectrum shown below? (You may need to select more than one option) A) The compound has sp2-s 8 bond B) The compound has sp3-s 8 bond C) The compound has sp-s sigma bond D) The compound has a functional group of amine. E) The compound has a carbonyl group F) The compound has a functional group of alcohol. G) The compound has a functional group of carboxylic acid % Transmittance

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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100 80- 60- 40- 20- 0- 4000 3500 3000 2500 2000 1500 1000 Wavenumber (cm) What information may be revealed from the IR spectrum shown below? (You may need to select more than one option) A) It has alcohol functional group B) The compound has sp3-s sigma bonds C) The compound has sp2-s sigma bonds D) The compound has sp-s sigma bond E) The compound has a carbonyl group % Transmi ttance
An IR spectrum of an unknown compound is shown below. Predict the principal functional group present in this compound. 4000 3000 2000 1500 Wavenumber (cm-¹) 1000 500 A) amide B) amine C) carboxylic acid D) ether E) aldehyde
The DEPT-90 spectrum exhibits 6 in the 0-50 ppm region The DEPT-135 spectrum exhibits x 100 ppm region that is a positive ▾ C6 signal(s) for the CH groups: ▼ 1,2,6 ✓ in the sp2 hybridized region 100-150 C3 and C4 ▼ signal(s) (only the quaternary carbon atoms, signal(s), indicating the presence of a methylene group (CH₂) attached to an oxygen atom, are missing); there is C5 ▼ C1 and C2 ▼ and signal(s) in the 50-
Given the following Infrared Spectrum, Transmittance 1001 90 80 mmm 3100 3000 O A) Pentanal 1/CM 2000 Which of the following compounds is consistent with the spectrum shown above? 1700 D ora H₂C E) 2-Methylpropane-1-amine B) Methoxybenzene C) Benzaldehyde O D) 2-Methylpropanenitrile 1000 H₂C CH₂ NH₂
1Compound 1 has molecular formula C7H16. It shows three signals in the 1H-NMR spectrum, one at 0.85 ppm, one at 1.02 ppm, and one at 1.62 ppm. The relative integrals of these three signals are 6, 1, and 1, respectively. Compound 2 has molecular formula C7H14. It shows three signals in the 1H-NMR spectrum, one at 0.98 ppm, one at 1.36 ppm, and one at 1.55 ppm. The relative integrals of these three signals are 3, 2, and 2, respectively. Propose structures for compounds 1 and 2, explaining how you reach your conclusion.
According to this H NMR spectrum, identify the structure of the compound. the only additional information given is the molecular weight is 240.3 14 72 7.0 8 (ppm) 6.8 6.4 3.0 2.5 2.0 6 tppm)
determine compound based on this spectrum data: MS Data- m/z = 112(45.45 %), 113 (3.961 %), and 114 (0.195%) IR Peaks-0.9 ppm (t, 6H), 1.5 ppm (dt, 4H), 2 ppm (td, 4H), 5.4 ppm (tt, 2H) C NMR Peaks- 15, 24, 36, and 127 ppm
Q4/ Complete the following blank: (c 1- IR spectroscopy is most useful for identifying 2- H₂ doesn't give an IR spectrum because 3- The IR spectrum of an organic compound contain an oxygen atom, has no strong absorption from (1600 - 2600) cm¹ or any above 3000 cm¹¹, the functional group it is 4- The functional group has strong IR absorption bond between (1700-1750 cm¹¹) indicates TSS 5- In ¹H NMR spectrum 'H nuclei that are located near to electronegative atom tend to be to ¹H nuclei are not near to electronegative atoms. 6- Number of signal would be observed in the 'H NMR spectrum of the 3- hydroxyl -1-propene is relative
5) Levothyroxine (containing 4 iodine atoms), an important prescribed medication, is a form of thyroid hormone thyroxine. It is a very important drug that is used to treat patients with thyroid hormone deficiency (hypothyroidism). List all the IR diagnostic peaks for Levothyroxine below by approximating the frequency of IR absorption (in cm ¹) for each functional group on the drug (list them below). Ignore the fingerprint region if it is not important НО. int NH₂ OH
A compound has the molecular formula: C4H8O2 and gives the following C-13 NMR spectrum. Provide the most likely functional groups for each signal. nmrsim presentation 1 1 C:Bruken Topspin3.5pl7 examdata -170.7658 150 100 d 170.8 (O CH3) ; 60.4 (OCH2); 20.8, 14.1 (2 x C=0) 8170.8 (0 CH₂); 60.4 (OCH₂); 20.8, 14.1 (2 x CH3). 8 170.8 (CH3); 60.4 (C-0); 20.8, 14.1 (2 x OCH₂) 8170.8 (C=0); 60.4 (OCH₂); 20.8, 14.1 (2 x CH3). 8170.8 (C) ; 60.4 (O CH2); 20.8, 14.1 (2 x O CH3) -60.4293 50 -20.7902 -14.1385 [ppm] [+]
Choose the molecule to which this IR spectrum corresponds.
4000 3000 An IR spectrum of an unknown compound is shown below. Predict the principal functional group present in this compound. 1500 Wavenumber (cm-¹) 2000 1000 500 A) amide B) ester C) carboxylic acid D) aldehyde E) ketone