General, Organic, and Biological Chemistry (3rd Edition)
3rd Edition
ISBN: 9780134042428
Author: Laura D. Frost, S. Todd Deal
Publisher: PEARSON
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Textbook Question
Chapter 4, Problem 4.46AP
Are
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each pair of substrates below, choose the one that will react faster in a substitution reaction, assuming that:
1. the rate of substitution doesn't depend on nucleophile concentration and
2. the products are a roughly 50/50 mixture of enantiomers.
Substrate A
Substrate B
Faster Rate
X
Ś
CI
(Choose one)
(Choose one)
CI
Br
Explanation
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Br
(Choose one)
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NMR spectrum of ethyl acetate has signals whose chemical shifts are indicated below. Which hydrogen or set of hydrogens corresponds to the signal at
4.1 ppm? Select the single best answer.
The
H
O
HỌC—C—0—CH, CH,
2
A
ethyl acetate
H NMR: 1.3 ppm, 2.0 ppm, 4.1 ppm
Check
OA
B
OC
ch
B
C
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How many signals do you expect in the H NMR spectrum for this molecule?
Br Br
Write the answer below.
Also, in each of the drawing areas below is a copy of the molecule, with Hs shown. In each copy, one of the H atoms is colored red. Highlight in red all other H
atoms that would contribute to the same signal as the H already highlighted red
Note for advanced students: In this question, any multiplet is counted as one signal.
1
Number of signals in the 'H NMR spectrum.
For the molecule in the top drawing area, highlight in red any other H atoms that will contribute to
the same signal as the H atom already highlighted red.
If no other H atoms will contribute, check the box at right.
Check
For the molecule in the bottom drawing area, highlight in red any other H atoms that will contribute
to the same signal as the H atom already highlighted red.
If no other H atoms will contribute, check the box at right.
O
✓
No additional Hs to color in top
molecule
ง
No additional Hs to color in bottom…
Chapter 4 Solutions
General, Organic, and Biological Chemistry (3rd Edition)
Ch. 4 - Prob. 4.1PPCh. 4 - Prob. 4.2PPCh. 4 - Prob. 4.3PPCh. 4 - Draw a skeletal structure for ethane, C2H6. Do you...Ch. 4 - Prob. 4.5PPCh. 4 - Prob. 4.6PPCh. 4 - Draw a Lewis structure for each of the following...Ch. 4 - Draw a Lewis structure for each of the following...Ch. 4 - Prob. 4.9PPCh. 4 - Prob. 4.10PP
Ch. 4 - Prob. 4.11PPCh. 4 - Prob. 4.12PPCh. 4 - Write the condensed structure for the...Ch. 4 - Write the condensed structure for the...Ch. 4 - Write the skeletal structure for the alkane shown:...Ch. 4 - Write the skeletal structure for the alkane shown:...Ch. 4 - Identify the family of hydrocarbon present in the...Ch. 4 - Identify the family of hydrocarbon present in the...Ch. 4 - Identify all the functional groups present in the...Ch. 4 - Prob. 4.20PPCh. 4 - The most prevalent fatty acid in coconut oil is...Ch. 4 - The most common fatty acid found in animals is...Ch. 4 - Draw the condensed structural formula for each of...Ch. 4 - Give the correct name for each of the following...Ch. 4 - Draw the skeletal structure for each of the...Ch. 4 - Prob. 4.26PPCh. 4 - Prob. 4.27PPCh. 4 - Prob. 4.28PPCh. 4 - Prob. 4.29PPCh. 4 - Prob. 4.30PPCh. 4 - Determine the relationship between each of the...Ch. 4 - Determine the relationship between each of the...Ch. 4 - Determine if each of the following cycloalkanes or...Ch. 4 - Determine it each of the following cycloalkanes or...Ch. 4 - Mark the chiral centers in the following...Ch. 4 - Mark the chiral centers in the following...Ch. 4 - Convert each of the Lewis structures shown into a...Ch. 4 - Convert each of the Lewis structures in Problem...Ch. 4 - Prob. 4.39APCh. 4 - Prob. 4.40APCh. 4 - Convert the skeletal structures shown to condensed...Ch. 4 - Convert the skeletal structures shown to condensed...Ch. 4 - Prob. 4.43APCh. 4 - Prob. 4.44APCh. 4 - Alkanes are also referred to as saturated...Ch. 4 - Are alkanes considered polar or nonpolar...Ch. 4 - Give the skeletal structure and name of the...Ch. 4 - Give the skeletal structure and name of the...Ch. 4 - Name the following straight-chain alkanes or...Ch. 4 - Name the following straight-chain alkanes or...Ch. 4 - Explain the structural difference between a...Ch. 4 - Prob. 4.52APCh. 4 - Identify all of the functional groups in each of...Ch. 4 - Identify all of the functional groups in each of...Ch. 4 - Prob. 4.55APCh. 4 - Prob. 4.56APCh. 4 - Prob. 4.57APCh. 4 - Draw skeletal structures for each of the following...Ch. 4 - Prob. 4.59APCh. 4 - Prob. 4.60APCh. 4 - Prob. 4.61APCh. 4 - Prob. 4.62APCh. 4 - Prob. 4.63APCh. 4 - Prob. 4.64APCh. 4 - Prob. 4.65APCh. 4 - Prob. 4.66APCh. 4 - How many structural isomers are possible for the...Ch. 4 - Prob. 4.68APCh. 4 - Prob. 4.69APCh. 4 - Prob. 4.70APCh. 4 - For each of the following compounds, indicate...Ch. 4 - Prob. 4.72APCh. 4 - Determine whether each of the following is the cis...Ch. 4 - Determine whether each of the following is the cis...Ch. 4 - Prob. 4.75APCh. 4 - Prob. 4.76APCh. 4 - Mark the chiral centers in the following...Ch. 4 - Mark the chiral centers in the following...Ch. 4 - Prob. 4.79APCh. 4 - Prob. 4.80APCh. 4 - Prob. 4.81CPCh. 4 - Prob. 4.82CPCh. 4 - Prob. 1IA.1QCh. 4 - Prob. 1IA.2QCh. 4 - Prob. 1IA.3QCh. 4 - Prob. 1IA.4QCh. 4 - Prob. 1IA.5QCh. 4 - Prob. 1IA.6QCh. 4 - Prob. 1IA.7QCh. 4 - Prob. 1IA.8QCh. 4 - Prob. 1IA.9QCh. 4 - Prob. 1IA.10QCh. 4 - Prob. 1IA.11QCh. 4 - Prob. 2IA.1QCh. 4 - Prob. 2IA.2QCh. 4 - Prob. 2IA.3QCh. 4 - Prob. 2IA.4QCh. 4 - Prob. 2IA.5QCh. 4 - What is the molecular shape (geometry) of the...Ch. 4 - Prob. 2IA.7QCh. 4 - Prob. 1ICCh. 4 - Prob. 2ICCh. 4 - Prob. 3ICCh. 4 - Prob. 4IC
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- calculate the equilibrium concentration of H2 given that K= 0.017 at a constant temperature for this reaction. The inital concentration of HBr is 0.050 M.2HBr(g) ↔ H2(g) + Br2(g)a) 4.48 x 10-2 M b) 5.17 x 10-3 Mc) 1.03 x 10-2 Md) 1.70 x 10-2 Marrow_forwardtrue or falsegiven these two equilibria with their equilibrium constants:H2(g) + CI2(l) ↔ 2HCI(g) K= 0.006 CI2(l) ↔ CI2(g) K= 0.30The equilibrium contstant for the following reaction is 1.8H2(g) + CI2 ↔ 2HCI(g)arrow_forwardI2(g) + CI2(g) ↔ 2ICIK for this reaction is 81.9. Find the equilibrium concentration of I2 if the inital concentration of I2 and CI2 are 0.010 Marrow_forward
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- the decomposition of N2O5 is the first order with a half-life of 1.98 minutes. If the inital concentration of N2O5 is 0.200 M, what is the concentration after 6 minutes?a) 0.612 Mb) 0.035 Mc) 0.024 Md) 0.100 Marrow_forward20.00 mL of 0.150 M HCI is titrated with 0.075 M NaOH. What volume of NaOH is needed?a) 50 mLb) 20 mLc) 40 mLd) 26.66 mLarrow_forward20.00 mL of 0.150 M NaOH is titrated with 37.75 mL of HCI. What is the molarity of the HCI?a) 0.150 Mb) 0.079 Mc) 0.025 Md) 0.050 Marrow_forward
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