ORGANIC CHEMISTRY (LL)-W/ACCESS
10th Edition
ISBN: 9781259717536
Author: Carey
Publisher: MCG
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Chapter 18, Problem 49P
Interpretation Introduction
Interpretation:
The structure of compound from the given IR and NMR data is to be identified.
Concept introduction:
Spectroscopy method is used to identify the structure of the molecule. It is based on the interactions between matter and
Proton NMR spectroscopy identifies the number of hydrogen atoms present in a molecule and the nature of the functional group.
The value of chemical peaks in NMR depends upon the chemical environment around the hydrogen atom.
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An unknown compound has the molecular formula C6H12O2. The compound shows a strong peak in its IR spectrum at 1700 cm-1. The 1H NMR data of the compound is given in the graph. Which structure corresponds to the unknown compound?
22. A compound with the molecular formula C8H8O produces an IR spectrum with signals at 3063, 1686, and 1646 cm-1. The 1H NMR spectrum of this compound exhibits a singlet at 2.6ppm(l=3H), and a multiplet at 7.5(l= 5H). Draw the structure and give the common name of this compound . Show the correlations between the structure and spectra.
Identify the structures of D and E, isomers of molecular formula C6H12O2, from their IR and 1H NMR data. Signals at 1.35 and 1.60 ppm in the 1H NMR spectrum of D and 1.90 ppm in the 1H NMR spectrum of Eare multiplets.a. IR absorption for D at 1743 cm−1b. IR absorption for E at 1746 cm−1
Chapter 18 Solutions
ORGANIC CHEMISTRY (LL)-W/ACCESS
Ch. 18.1 - Prob. 1PCh. 18.1 - Prob. 2PCh. 18.3 - Prob. 3PCh. 18.4 - Prob. 4PCh. 18.4 - Prob. 5PCh. 18.6 - Prob. 6PCh. 18.7 - Prob. 7PCh. 18.7 - Prob. 8PCh. 18.7 - Prob. 9PCh. 18.8 - Prob. 10P
Ch. 18.8 - Prob. 11PCh. 18.8 - Prob. 12PCh. 18.9 - Prob. 13PCh. 18.10 - Prob. 14PCh. 18.10 - Prob. 15PCh. 18.11 - Problem 18.16 The product of the following...Ch. 18.11 - Prob. 17PCh. 18.12 - Problem 18.18 What other combination of ylide and...Ch. 18.12 - Prob. 19PCh. 18.12 - Prob. 20PCh. 18.12 - Prob. 21PCh. 18.13 - Prob. 22PCh. 18 - (a) Write structural formulas and provide IUPAC...Ch. 18 - Each of the following aldehydes and ketones is...Ch. 18 - The African dwarf crocodile secretes a volatile...Ch. 18 - Prob. 26PCh. 18 - Prob. 27PCh. 18 - Prob. 28PCh. 18 - Prob. 29PCh. 18 - Prob. 30PCh. 18 - Prob. 31PCh. 18 - Each of the following reaction has been reported...Ch. 18 - Prob. 33PCh. 18 - On standing in 17O-labeled water, both...Ch. 18 - Prob. 35PCh. 18 - Prob. 36PCh. 18 - The OH groups at C-4 and C-6 of methyl ...Ch. 18 - Prob. 38PCh. 18 - Prob. 39PCh. 18 - The sex attractant of the female winter moth has...Ch. 18 - Prob. 41PCh. 18 - Prob. 42PCh. 18 - Prob. 43PCh. 18 - Suggest a reasonable mechanism for each of the...Ch. 18 - Prob. 45PCh. 18 - Prob. 46PCh. 18 - Prob. 47PCh. 18 - Prob. 48PCh. 18 - Prob. 49PCh. 18 - Prob. 50PCh. 18 - Prob. 51PCh. 18 - Prob. 52DSPCh. 18 - Prob. 53DSPCh. 18 - Prob. 54DSPCh. 18 - Prob. 55DSPCh. 18 - Prob. 56DSPCh. 18 - Prob. 57DSPCh. 18 - Prob. 58DSP
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