For each compound below, identify all peaks (both frequency ranges and strengths) that youwould expect to find between 1500 and 4000 cm-1 on an IR spectrum.a)b)c) =d)OHDraw the bond-line structure of a compound that would be consistent with each set of IR dataand chemical formula below.a. C4H10O; IR (cm-1): 3328 (strong, broad), 2950 (strong, sharp)b. C4H10O; IR (cm-1): 2950 (strong, sharp)c. C6H6; IR (cm-1): 2080 (medium, sharp), 1961 and 1815 (small, sharp)d. C6H6: IR (cm-1): 3297 (strong, sharp), 2922 (strong, sharp), 2123 (medium, sharp)

We are given the structure of 4 different molecules, and we have to identify all the peaks along…

Answered: For each compound below, identify all…

Organic Chemistry

8th Edition

ISBN:9781305580350

Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Chapter21: Benzene And The Concept Of Aromaticity

Section: Chapter Questions

Problem 21.20P

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opic 1: What IR and H-NMR peaks would you expect to see in methyl 3-oxohexanoate(see p559, attached image)? Include band position, chemical shift, splitting in your response. ملل
Propose a structure consistent with each set of data.a. a compound that contains a benzene ring and has a molecular ion at m/z = 107b. a hydrocarbon that contains only sp3 hybridized carbons and a molecular ion at m/z = 84c. a compound that contains a carbonyl group and gives a molecular ion at m/z = 114d. a compound that contains C, H, N, and O and has an exact mass for the molecular ion at 101.0841
Propose a structure consistent with each set of data. a.a compound that contains a benzene ring and has a molecular ion at m/z = 107 b.a hydrocarbon that contains only sp3 hybridized carbons and a molecular ion at m/z = 84 c.a compound that contains a carbonyl group and gives a molecular ion at m/z = 114 d.a compound that contains C, H, N, and O and has an exact mass for the molecular ion at 101.0841
What functional groups are present in the IR spectra below. Functional Group cm-1 O-H 3600-3200 N-H 3500-3200 Csp-H 3300 Csp2-H 3150-3000 Csp3-H 2937 O=C-H 1740-1720 C=O 1693 C=C (aromatic) 1650
A compound displays a prominent peak at 3400 cm¹ in its IR spectrum. The mass spectrum has a molecular ion with m/z of 74. The base peak is at m/z = 45. Draw a structure that best fits this data. Drawing I Atoms and
The infrared spectrum of the compound with the mass spectrum shown below lacks any significant absorption above 3000 cm-1. There is a distinct peak near 1740 cm-1 and another strong peak near 1200 cm-1. molecular ion: M+ = 172
These are the 1H spectrums for compounds Y and Z (molecular formula on the image). They both show a stretch around 1710cm-1 on the IR spectrum. What are the structures for both Y and Z?
3. Draw a molecule with the molecular formula C6H₁0O that would have the following peak(s) in its IR spectrum. (all major non-fingerprint absorbances are listed) a. 3200-3500 cm¹ (broad) 2900-3000 cm-¹ 2200 cm¹ (weak)
A compound has a molecular ion peak at m/z = 128 in its mass spectrum and no peaks higher than 3100 cm-1 in its IR spectrum. Which is most consistent with these data? A) C) N OH B) D)
1.2 Draw the structures of the seven compounds of molecular formula C3H6O. For each compound tell what prominent IR absorption it exhibits above 1500 cm-¹.
Identify and draw the structure of the important peaks in the MS spectral data of C7H5BrO3 given below.
CH3 CH3 O of OH H3C- protons it represents. letter -OCH₂CH3 For each of the above compounds, do the following: 1. List the wave numbers of all the IR bands in the 1350-4000 cm-1 region. For each one, state what bond or group it represents. d value H₂C CH3 H₂C H splitting 2. Label equivalent sets of protons with lower-case letters. Then, for each ¹H NMR signal, give the 8 value, the type of splitting (singlet, doublet etc.), and the number H # of protons O 3. Redraw the compound and label equivalent sets of carbons with lower-case letters. -OCH3 Then for each set of carbons give the & value and # of carbons it represents. letter d value # of carbons

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