1. Consider this compound:On the structure above, label the different types of H's as A, B, C, etc.In table form, list the labeled signals, and for each one state the number of hydrogens,their shifts, and the splitting you would observe for these hydrogens in the 'H NMRspectrum.Label# of hydrogensIShift (a)splitting

Step 1:Solution: Given structure of an unknown compound. Determine the types of protons, splitting…

Answered: 1. Consider this compound: On the…

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

ChapterL3: Carbon (13c) Nmr Spectroscopy

Section: Chapter Questions

Problem 10CTQ

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I don't know how or understand either of these questions. Please explain possibly, or show me with your work to better understand the answers to these questions!
Please answer the Signal-A,B,C The first photo has the Questions direction
Which compounds give a 'H NMR spectrum with two signals in a ratio of 2:3? а. b. C.
Provide your expectation of the chemical shifts of each molecule below in the 1H NMR spectrum of the molecules below. Please label the non-equivalent protons in each given molecule.
Could someone help me label the unique populations of hydrogen that would show up in an NMR spectrum for these two compounds? Thanks and it would also help if there was an explanation.
For the molecule below (all protons have been shown and labeled)... Fill in the table with the relevant values. For the "splitting" row, use the following abbreviations for singlet, doublet, triplet, quartet, pentet, hextet: s, d, t, q, p, h. Sketch the expected 'H NMR spectrum for the molecule in the area below. Label your peaks with the corresponding letters (A, B, C, etc...). HH 5 HHH3C CH3 OH HH E 4 Proton 8 Integral Splitting 3 A B 2 C 1 D E
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I. How many signals would you expect to observe in an NMR spectrum of each of the following compounds? (See picture attached).
None
a) b) 6) Consider the two carbonyl compounds below. The signal that corresponds to the hydrogens directly next to the carbonyl (called the a hydrogens) have been boxed on both spectra. In structure a, the boxed a hydrogen signal occurs at 2.4 ppm. In structure b, the boxed a hydrogen signal occurs at 3.61 ppm. Please explain the observed downfield shift between the two compounds. 1.60 M 0.93 2.40 2.10 u 3.61 O 2.25 2.25 PPM 2 PPM
2. For each of the following molecules, identify the number of ¹H NMR signals you expect to see and their accompanying splitting patterns. Shown below is an example from class of how you can write your answers. Example answer a. singlet H مگر H triplet HH H H quartet Total number of signals: 3 List splitting patterns here (and label on molecule): singlet, Total number of signals: List splitting patterns here (and label on molecule): artet, triplet Show spin-spin splitting diagrams for each set of ¹H NMR signals for compound A from Question 2a (except for any singlets). Indicate the coupling constant ranges or relative sizes. A 1

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