Organic Chemistry
11th Edition
ISBN: 9781118133576
Author: T. W. Graham Solomons, Craig Fryhle
Publisher: Wiley, John & Sons, Incorporated
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Chapter 9, Problem 19PP
Interpretation Introduction
Interpretation:
The given mass spectra figures are to be matched with the given compounds.
Concept introduction:
Cleavage of a single bond produces a cation and a radical. The Cation can be detected using positive ion mass spectrometry and because the radical is not charged, it will be undetected.
Chain branching or cleavage of a single bond at branch points will occur such that the carbocation formed is more stable.
Carbon–carbon bonds adjacent to atoms with unshared electron pair break readily to form radicalcations, which are stabilized due to resonance.
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Calculate the chemical shifts in 13C and 1H NMR for 4-chloropropiophenone ? Write structure and label hydrogens and carbons. Draw out the benzene ring structure when doing it
1) Calculate the longest and shortest wavelengths in the Lyman and Paschen series.
2) Calculate the ionization energy of He* and L2+ ions in their ground states.
3) Calculate the kinetic energy of the electron emitted upon irradiation of a H-atom in ground state by a 50-nm radiation.
Chapter 9 Solutions
Organic Chemistry
Ch. 9 - Prob. 1PPCh. 9 - PRACTICE PROBLEM
9.2 What compound with molecular...Ch. 9 - Prob. 3PPCh. 9 - PRACTICE PROBLEM 9.4 How many signals would each...Ch. 9 - Prob. 5PPCh. 9 - Prob. 6PPCh. 9 - Prob. 7PPCh. 9 - PRACTICE PROBLEM 9.7
The relative chemical shifts...Ch. 9 - Prob. 9PPCh. 9 - PRACTICE PROBLEM 9.9 Propose a structure for...
Ch. 9 - PRACTICE PROBLEM 9.10
What is the dihedral angle...Ch. 9 - PRACTICE PROBLEM 9.11 Draw the most stable chair...Ch. 9 - Prob. 13PPCh. 9 - Prob. 14PPCh. 9 - PRACTICE PROBLEM 9.13 How many signals would you...Ch. 9 - Prob. 16PPCh. 9 - Prob. 17PPCh. 9 - Prob. 18PPCh. 9 - Prob. 19PPCh. 9 - PRACTICE PROBLEM 9.18
What are the expected ratios...Ch. 9 - Given the mass spectrum in Figure 9.44 and the...Ch. 9 - Prob. 22PCh. 9 - 9.23 How many 13C NMR signals would you predict...Ch. 9 - Prob. 24PCh. 9 - 9.25 Propose structures for the compounds G and H...Ch. 9 - Prob. 26PCh. 9 - Prob. 27PCh. 9 - Compound Q has the molecular formula C7H8. The...Ch. 9 - 9.26 Explain in detail how you would distinguish...Ch. 9 - Prob. 30PCh. 9 - A compound with molecular formula C4H8O has a...Ch. 9 - In the mass spectrum of 2, 6-dimethyl-4-heptanol...Ch. 9 - Prob. 33PCh. 9 - What are the masses and structures of the ions...Ch. 9 - Prob. 35PCh. 9 - Ethyl bromide and methoxybenzene (shown below)...Ch. 9 - 9.34 The homologous series of primary amines, ,...Ch. 9 - Propose a structure that is consistent with each...Ch. 9 - 9.39 Propose structures for compounds E and F....Ch. 9 - Regarding compound J, C2HxCly, use the 1H NMR and...Ch. 9 - 9.38 When dissolved in , a compound (K) with the...Ch. 9 - Compound T (C5H8O) has a strong IR absorption band...Ch. 9 - Deduce the structure of the compound that gives...Ch. 9 - 9.45 Deduce the structure of the compound that...Ch. 9 - The 1H NMR spectrum of a solution of 1,...Ch. 9 - Acetic acid has a mass spectrum showing a...Ch. 9 - The 1H NMR peak for the hydroxyl proton of...Ch. 9 - The 1H NMR study of DMF (N, N-dimethylformamide)...Ch. 9 - 9.48 The mass spectra of many benzene derivatives...Ch. 9 - Prob. 52PCh. 9 - 1. Given the following information, elucidate the...Ch. 9 - Two compounds with the molecular formula C5H10O...Ch. 9 - Propose a structure that is consistent with each...Ch. 9 - 9.2 How many 1H NMR signals would the following...Ch. 9 - 9.3. How many 1H NMR signals would...Ch. 9 - 9.4 Which of these C6H14 isomers has the greatest...Ch. 9 - 9.5 How many 13C NMR signals would be given by the...Ch. 9 - Prob. 6QCh. 9 - 9.7 What is the structure of a compound C5H12...
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