Organic Chemistry Plus Masteringchemistry With Pearson Etext, Global Edition
9th Edition
ISBN: 9781292151229
Author: Wade, LeRoy G.
Publisher: PEARSON
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Chapter 13.11B, Problem 13.22P
Interpretation Introduction
Interpretation: The NMR spectrum expected from methyl propionate is to be drawn and how it differs from the spectrum of ethyl acetate is to be stated.
Concept introduction: NMR spectroscopy is a technique used to determine a unique structure of the compounds. It identifies the carbon-hydrogen bonding of an organic compound. A hydrogen atom is called as a proton in the NMR spectroscopy.
To determine: The NMR spectrum expected from methyl propionate and an explanation as to how it differs from the spectrum of ethyl acetate.
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The following equations represent the formation of compound MX. What is the AH for the
electron affinity of X (g)?
X₂ (g) → 2X (g)
M (s) → M (g)
M (g)
M (g) + e-
AH = 60 kJ/mol
AH = 22 kJ/mol
X (g) + e-X (g)
M* (g) +X (g) → MX (s)
AH = 118 kJ/mol
AH = ?
AH = -190 kJ/mol
AH = -100 kJ/mol
a)
-80 kJ
b)
-30 kJ
c)
-20 kJ
d)
20 kJ
e)
156 kJ
A covalent bond is the result of the
a)
b)
c)
d)
e)
overlap of two half-filled s orbitals
overlap of a half-filled s orbital and a half-filled p orbital
overlap of two half-filled p orbitals along their axes
parallel overlap of two half-filled parallel p orbitals
all of the above
Can the target compound at right be efficiently synthesized in good yield from the unsubstituted benzene at left?
starting
material
target
If so, draw a synthesis below. If no synthesis using reagents ALEKS recognizes is possible, check the box under the drawing area.
Be sure you follow the standard ALEKS rules for submitting syntheses.
+ More...
Note for advanced students: you may assume that you are using a large excess of benzene as your starting material.
C
T
Add/Remove step
X
но
Chapter 13 Solutions
Organic Chemistry Plus Masteringchemistry With Pearson Etext, Global Edition
Ch. 13.5A - In a 300-MHz spectrometer, the protons in...Ch. 13.5B - Prob. 13.2PCh. 13.6 - Determine the number of different kinds of protons...Ch. 13.6 - Prob. 13.4PCh. 13.7 - Draw the integral trace expected for the NMR...Ch. 13.7 - Prob. 13.6PCh. 13.8C - Draw the NMR spectra you would expect for the...Ch. 13.8D - Draw the NMR spectra you expect for the following...Ch. 13.8D - a. Assign protons to the peaks in the NMR spectrum...Ch. 13.8D - Prob. 13.10P
Ch. 13.8D - Two spectra are shown. Propose a structure that...Ch. 13.9 - Prob. 13.12PCh. 13.9 - The spectrum of trans-hex-2-enoic acid follows. a....Ch. 13.9 - Prob. 13.14PCh. 13.9 - Prob. 13.15PCh. 13.10 - Prob. 13.16PCh. 13.10 - If the imaginary replacement of either of two...Ch. 13.10 - Predict the theoretical number of different NMR...Ch. 13.11B - Prob. 13.19PCh. 13.11B - Prob. 13.20PCh. 13.11B - Prob. 13.21PCh. 13.11B - Prob. 13.22PCh. 13.11B - Prob. 13.23PCh. 13.11B - Prob. 13.24PCh. 13.12E - Draw the expected broadband-decoupled 13 C N M R...Ch. 13.12E - a. Show which carbon atoms correspond with which...Ch. 13.12E - Repeat Problem13-25, sketching the...Ch. 13.12F - Prob. 13.28PCh. 13.13 - A bottle of allyl bromide was found to contain a...Ch. 13.13 - A laboratory student was converting cyclohexanol...Ch. 13.14 - Sets of spectra are given for two compounds. For...Ch. 13 - An unknown compound has the molecular formula C 9...Ch. 13 - Prob. 13.34SPCh. 13 - Predict the approximate chemical shifts of the...Ch. 13 - Prob. 13.36SPCh. 13 - Prob. 13.37SPCh. 13 - Prob. 13.38SPCh. 13 - Prob. 13.39SPCh. 13 - Prob. 13.40SPCh. 13 - For each compound shown below. 1. sketch the 13 C...Ch. 13 - Prob. 13.42SPCh. 13 - Prob. 13.43SPCh. 13 - Prob. 13.44SPCh. 13 - Prob. 13.45SPCh. 13 - Prob. 13.46SPCh. 13 - A compound was isolated as a minor constituent in...Ch. 13 - Prob. 13.48SPCh. 13 - The three isomers of dimethylbenzene are commonly...Ch. 13 - a. Draw all six isomers of formula C 4 H 8...Ch. 13 - Prob. 13.51SPCh. 13 - Hexamethylbenzene undergoes free-radical...Ch. 13 - Each of these four structures has molecular...Ch. 13 - Prob. 13.54SPCh. 13 - Phenyl Grignard reagent adds to 2-methylpropanal...Ch. 13 - Prob. 13.56SP
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