8th Edition

ISBN: 9780134595450

Author: Bruice

Publisher: PEARSON

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NMR stands for Nuclear Magnetic Resonance in which the study of different molecules is done based on the interaction of radiofrequency electromagnetic radiations with the nuclei of molecules placed in a strong magnetic field. A precise study of spectra o…

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Chapter 13.6, Problem 15P

Identify the ketones responsible for the mass spectra below.

Chapter 13.6, Problem 15P, Identify the ketones responsible for the mass spectra below.

Definition Definition Organic compounds that have a carbonyl group, C = O, as their functional group. The carbonyl group in ketones is placed somewhere in the middle of the molecular structure, which means, the C=O is attached to two alkyl groups or benzene rings. Just like all other homologous series, the naming of ketones is done using a common suffix “-one”. The general molecular formula is C n H 2n O. Functional group of a ketone

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Chapter 13 Solutions

ORGANIC CHEMISTRY-W/S.G+SOLN.MANUAL

Ch. 13.1 - Which of the following fragments produced in a...Ch. 13.2 - What distinguishes the mass spectrum of...Ch. 13.2 - What is the most likely m/z value for the base...Ch. 13.3 - Prob. 5P Ch. 13.3 - a. Suggest possible molecular formulas for a...Ch. 13.3 - If a compound has a molecular ion with an...Ch. 13.3 - Identify the hydrocarbon that has a molecular ion...Ch. 13.4 - Predict the relative intensities of the molecular...Ch. 13.5 - Which molecular formula has an exact molecular...Ch. 13.5 - Prob. 11P

Ch. 13.6 - Sketch the mass spectrum expected for...Ch. 13.6 - The mass spectra of 1-methoxybutane,...Ch. 13.6 - Primary alcohols have a strong peak at m/z = 31....Ch. 13.6 - Identify the ketones responsible for the mass...Ch. 13.6 - Prob. 16P Ch. 13.6 - Using curved arrows, show the principal fragments...Ch. 13.6 - The reaction of (Z)-2-pentene with water and a...Ch. 13.9 - a. Which is higher in energy: electromagnetic...Ch. 13.9 - Prob. 20P Ch. 13.13 - Prob. 21P Ch. 13.14 - Which occur at a larger wavenumber: a. the C O...Ch. 13.14 - Prob. 23P Ch. 13.14 - Prob. 24P Ch. 13.14 - Rank the following compounds from highest...Ch. 13.14 - Which shows an O H stretch at a larger...Ch. 13.16 - Prob. 27P Ch. 13.16 - a. An oxygen-containing compound shows an...Ch. 13.16 - Prob. 29P Ch. 13.16 - For each of the following pair of compounds, name...Ch. 13.17 - Which of the following compounds has a vibration...Ch. 13.17 - Prob. 32P Ch. 13.18 - A compound with molecular formula C4H6O gives the...Ch. 13.20 - Prob. 34P Ch. 13.20 - Prob. 35P Ch. 13.21 - Predict the max of the following compound:Ch. 13.21 - Prob. 37P Ch. 13.23 - a. At pH = 7 one of the ions shown here is purple...Ch. 13.23 - Prob. 39P Ch. 13.23 - Prob. 40P Ch. 13 - In the mass spectrum of the following compounds,...Ch. 13 - Prob. 42P Ch. 13 - Draw structures for a saturated hydrocarbon that...Ch. 13 - Rank the following compounds in order of...Ch. 13 - For each of the following pairs of compounds,...Ch. 13 - a. How could you use IR spectroscopy to determine...Ch. 13 - Assuming that the force constant is approximately...Ch. 13 - Norlutin and Enovid are ketones that suppress so...Ch. 13 - In the following boxes, list the types of bonds...Ch. 13 - A mass spectrum shows significant peaks at m/z. =...Ch. 13 - Prob. 51P Ch. 13 - Prob. 52P Ch. 13 - Prob. 53P Ch. 13 - The IR spectrum of a compound with molecular...Ch. 13 - Rank the following compounds from highest...Ch. 13 - Rank the following compounds from highest...Ch. 13 - What peaks in their mass spectra can be used to...Ch. 13 - Prob. 58P Ch. 13 - Which one of the following five compounds produced...Ch. 13 - Prob. 60P Ch. 13 - Each of the IR spectra shown below is accompanied...Ch. 13 - Prob. 62P Ch. 13 - Prob. 63P Ch. 13 - How can IR spectroscopy distinguish between...Ch. 13 - Prob. 65P Ch. 13 - Prob. 66P Ch. 13 - Give approximate wavenumbers for the major...Ch. 13 - Prob. 68P Ch. 13 - Which one of the following live compounds produced...Ch. 13 - Phenolphthalein is an acid-base indicator. In...Ch. 13 - Prob. 71P Ch. 13 - How can you use UV spectroscopy to distinguish...Ch. 13 - Prob. 73P Ch. 13 - The IR and mass spectra for three different...

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Identify the ketones responsible for the mass spectra below.

Solution Summary: The author analyzes the 2-pentanone molecule Mc Lafferty Rearrangement shown below. The molecular ion peak m/z=86 and base peak at

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Chapter 13 Solutions