EBK ORGANIC CHEMISTRY
9th Edition
ISBN: 9780100591318
Author: McMurry
Publisher: YUZU
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Textbook Question
Chapter 3.SE, Problem 27AP
Draw structures that meet the following descriptions (there are many possibilities):
(a) Three isomers with the formula C8H18
(b) Two isomers with the formula C4H8O2
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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
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ethyl acetate
H NMR: 1.3 ppm, 2.0 ppm, 4.1 ppm
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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…
in the kinetics experiment, what were the values calculated? Select all that apply.a) equilibrium constantb) pHc) order of reactiond) rate contstant
Chapter 3 Solutions
EBK ORGANIC CHEMISTRY
Ch. 3.1 - Prob. 1PCh. 3.1 - Prob. 2PCh. 3.1 - Identify the functional groups in the following...Ch. 3.2 - Draw structures of the five isomers of C6H14.Ch. 3.2 - Propose structures that meet the following...Ch. 3.2 - Prob. 6PCh. 3.3 - Draw the eight 5-carbon alkyl groups (pentyl...Ch. 3.3 - Identify the carbon atoms in the following...Ch. 3.3 - Prob. 9PCh. 3.3 - Prob. 10P
Ch. 3.4 - Give IUPAC names for the following compounds:Ch. 3.4 - Prob. 12PCh. 3.4 - Name the eight 5-carbon alkyl groups you drew in...Ch. 3.4 - Give the IUPAC name for the following hydrocarbon,...Ch. 3.7 - Make a graph of potential energy versus angle of...Ch. 3.7 - Sight along the C2-C1 bond of 2-methylpropane...Ch. 3.7 - Sight along the C2-C3 bond of 2,3-dimethylbutane,...Ch. 3.7 - Draw a Newman projection along the C2-C3 bond of...Ch. 3.SE - Prob. 19VCCh. 3.SE - Prob. 20VCCh. 3.SE - Draw a Newman projection along the C2-C3 bond of...Ch. 3.SE - Prob. 22APCh. 3.SE - Prob. 23APCh. 3.SE - Propose structures for the following: (a) A...Ch. 3.SE - Prob. 25APCh. 3.SE - Draw the structures of the following molecules:...Ch. 3.SE - Draw structures that meet the following...Ch. 3.SE - Prob. 28APCh. 3.SE - In each of the following sets, which structures...Ch. 3.SE - There are seven constitutional isomers with the...Ch. 3.SE - Prob. 31APCh. 3.SE - Draw compounds that contain the following: (a) A...Ch. 3.SE - Prob. 33APCh. 3.SE - Draw and name all monochloro derivatives of...Ch. 3.SE - Draw structures for the following: (a)...Ch. 3.SE - Prob. 36APCh. 3.SE - Draw a compound that: (a) Has nine primary...Ch. 3.SE - Give IUPAC names for the following compounds:Ch. 3.SE - Name the five isomers of C6H14.Ch. 3.SE - Explain why each of the following names is...Ch. 3.SE - Prob. 41APCh. 3.SE - Consider 2-methylbutane (isopentane). Sighting...Ch. 3.SE - What are the relative energies of the three...Ch. 3.SE - Construct a qualitative potential-energy diagram...Ch. 3.SE - Prob. 45APCh. 3.SE - Draw the most stable conformation of pentane,...Ch. 3.SE - Draw the most stable conformation of...Ch. 3.SE - Prob. 48APCh. 3.SE - Prob. 49APCh. 3.SE - Formaldehyde, H2C=O, is known to all biologists...Ch. 3.SE - Prob. 51APCh. 3.SE - Increased substitution around a bond leads to...Ch. 3.SE - Prob. 53APCh. 3.SE - In the next chapter we'll look at...Ch. 3.SE - We’ll see in the next chapter that there are two...
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- true or false, given that a 20.00 mL sample of NaOH took 24.15 mL of 0.141 M HCI to reach the endpoint in a titration, the concentration of the NaOH is 1.17 M.arrow_forwardin the bromothymol blue experiment, pKa was measured. A closely related compound has a Ka of 2.10 x 10-5. What is the pKa?a) 7.1b) 4.7c) 2.0arrow_forwardcalculate 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_forward
- true 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_forwardtrue or false,the equilibrium constant for this reaction is 0.50.PCI5(g) ↔ PCI3(g) + CI2(g)Based on the above, the equilibrium constant for the following reaction is 0.25.2PCI5(g) ↔. 2PCI3(g) + 2CI2(g)arrow_forward
- true or false, using the following equilibrium, if carbon dioxide is added the equilibrium will shift toward the productsC(s) + CO2(g) ↔ 2CO(g)arrow_forward2S2O2/3- (aq) + I2 (aq) ---> S4O2/6- (aq) +2I- (aq) Experiment I2 (M) S2O3- (M) Initital Rate (M/s) 1 0.01 0.01 0.0004 2 0.01 0.02 0.0004 3 0.02 0.01 0.0008 Calculate the overall order for this reaction using the table data a) 3b) 0c) 2d) 1arrow_forwardthe 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_forward
- 20.00 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_forwardin the following reaction, the OH- acts as which of these?NO2- (aq) + H2O (l) ⇌ OH- (aq) + HNO2 (aq)a) not a weak acidb) basec) acidarrow_forward
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