Package: Loose Leaf for Organic Chemistry with Biological Topics with Connect Access Card
5th Edition
ISBN: 9781260170405
Author: SMITH
Publisher: MCG
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Chapter 4, Problem 4.55P
For each compound drawn below:
a. Draw representations for the cis and trans isomers using a hexagon for the six-membered ring and wedges and dashed wedges for substituents.
b. Draw the two possible cahir conformations for the cis isomer. Which conformation, if either, is more stable?
c. Draw the two possible chair conformations for the trans isomer. Which conformation, if either, is more stable?
d. Which isomer, cis or trans, is more stable and why?
[1] 
[2] 
[3] 
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For each compound drawn below:
a. Draw representations for the cis and trans isomers using a hexagon for the six-membered ring, and wedges and dashed wedges for substituents.
b.Draw the two possible chair conformations for the cis isomer. Which conformation, if either, is more stable?
c. Draw the two possible chair conformations for the trans isomer. Which conformation, if either, is more stable?
d.Which isomer, cis or trans, is more stable and why?
Consider 1,2-dimethylcyclohexane.
a.Draw structures for the cis and trans isomers using a hexagon for the sixmembered ring.
b. Draw the two possible chair conformations for the cis isomer. Which conformation, if either, is more stable?
c. Draw the two possible chair conformations for the trans isomer. Which conformation, if either, is more stable?
d.Which isomer, cis or trans, is more stable and why?
Consider 1,2-dimethylcyclohexane.a. Draw structures for the cis and trans isomers using a hexagon for the six-membered ring.b. Draw the two possible chair conformations for the cis isomer. Which conformation, if either, is more stable?c. Draw the two possible chair conformations for the trans isomer. Which conformation, if either, is more stable?d. Which isomer, cis or trans, is more stable and why?
Chapter 4 Solutions
Package: Loose Leaf for Organic Chemistry with Biological Topics with Connect Access Card
Ch. 4 - Prob. 4.1PCh. 4 - Problem 4.2 Which of the following is not another...Ch. 4 - Problem 4.3 Draw the five constitutional isomers...Ch. 4 - Prob. 4.4PCh. 4 - Prob. 4.5PCh. 4 - Draw the five constitutional isomers that have...Ch. 4 - Problem 4.7 Give the IUPAC name for each...Ch. 4 - Give the IUPAC name for each compound. a....Ch. 4 - Problem 4.9 Give the structure corresponding to...Ch. 4 - Prob. 4.10P
Ch. 4 - Give the IUPAC name for each compound.Ch. 4 - Give the structure corresponding to each IUPAC...Ch. 4 - Arrange the following compounds in order of...Ch. 4 - Problem 4.14 Draw the staggered and eclipsed...Ch. 4 - Prob. 4.15PCh. 4 - Prob. 4.16PCh. 4 - Problem 4.17 a. Draw the three staggered and...Ch. 4 - Problem 4.18 Rank the following conformations in...Ch. 4 - Problem 4.19 Consider rotation around the...Ch. 4 - Calculate the destabilization present in each...Ch. 4 - Problem 4.21 Classify the ring carbons as up or...Ch. 4 - Problem 4.22 Using the cyclohexane with the C’s...Ch. 4 - Draw a second chair conformation for each...Ch. 4 - Problem 4.24 Draw both conformations for and...Ch. 4 - Problem 4.25 Draw the structure for each compound...Ch. 4 - For cis-1, 3-diethylcyclobutane, draw a a...Ch. 4 - Prob. 4.27PCh. 4 - Problem 4.28 Consider .
Draw structures f or the...Ch. 4 - Problem 4.29 Draw a chair conformation of...Ch. 4 - Prob. 4.30PCh. 4 - Draw the products of each combustion reaction.Ch. 4 - Explain why beeswax is insoluble in H2O, slightly...Ch. 4 - Prob. 4.33PCh. 4 - Name each alkane using the ball-and-stick model,...Ch. 4 - Consider the substituted cyclohexane shown in the...Ch. 4 - Prob. 4.36PCh. 4 - Prob. 4.37PCh. 4 - 4.38 Give the IUPAC name for each compound.
a. c....Ch. 4 - 4.39 Give the structure and IUPAC name for each of...Ch. 4 -
4.40 Draw the structure corresponding to each...Ch. 4 - Prob. 4.41PCh. 4 - 4.42 Give the IUPAC name for each compound.
a....Ch. 4 - Prob. 4.43PCh. 4 - Prob. 4.44PCh. 4 - 4.45 Which conformation in each pair is higher in...Ch. 4 - 4.46 Considering rotation around the bond...Ch. 4 - Prob. 4.47PCh. 4 - 4.48 (a) Using Newman projections, draw all...Ch. 4 - 4.49 Label the sites of torsional and steric...Ch. 4 - 4.50 Calculate the barrier to rotation for each...Ch. 4 - 4.51 The eclipsed conformation of is less...Ch. 4 - (a) Draw the anti and gauche conformations for...Ch. 4 - For each compound drawn below: a.Label each OH,Br...Ch. 4 - Draw the two possible chair conformations for...Ch. 4 - For each compound drawn below: a. Draw...Ch. 4 - 4.56 Convert each of the following structures into...Ch. 4 - Prob. 4.57PCh. 4 - Prob. 4.58PCh. 4 - 4.59 Classify each pair of compounds as...Ch. 4 - Classify each pair of compounds as constitutional...Ch. 4 - Prob. 4.61PCh. 4 - 4.62 Draw the three constitutional isomers having...Ch. 4 - Prob. 4.63PCh. 4 - 4.64 Draw the products of combustion of each...Ch. 4 - 4.65 Hydrocarbons like benzene are metabolized in...Ch. 4 - Prob. 4.66PCh. 4 - Prob. 4.67PCh. 4 - Cyclopropane and cyclobutane have similar strain...Ch. 4 - Prob. 4.69PCh. 4 - Haloethanes (CH3CH2X,X=Cl,Br,I) have similar...Ch. 4 - Prob. 4.71PCh. 4 - Prob. 4.72PCh. 4 - Consider the tricyclic structure B (a) Label each...Ch. 4 - Read Appendix B on naming branched alkyl...Ch. 4 - Read Appendix B on naming bicyclic compounds. Then...
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- Use your answers from Problem 2.48 to complete the table showing correlations between cis,trans and axial,equatorial for disubstituted derivatives of cyclohexane. Draw the alternative chair conformations for the cis and trans isomers of 1,2-dimethylcyclohexane, 1,3-dimethylcyclohexane, 1,4-dimethylcyclohexane. (a) Indicate by a label whether each methyl group is axial or equatorial.arrow_forwardLabel each ring in Figure 7.2 cis or trans.arrow_forwardIn the next chapter we'll look at cycloalkanes—saturated cyclic hydrocarbons—and we’ll see that the molecules generally adopt puckered, nonplanar conformations. Cyclohexane, for instance, has a puckered shape like a lounge chair rather than a flat shape. Why?arrow_forward
- For each compound drawn below: a. Draw representations for the cis and trans isomers using a hexagon for the six-membered ring, and wedges and dashes for substituents. b. Draw the two possible chair conformations for the cis isomer. Which conformation, if either, is more stable? c. Draw the two possible chair conformations for the trans isomer. Which conformation, if either, is more stable? d. Which isomer, cis or trans, is more stable and why? [1] [2] [3]arrow_forwardWhich is more stable and why? II A. I because it has a chair conformation with the most axial bonds B. I because it has a chair conformation with the most equatorial bonds C. II because it has a chair conformation with the most axial bonds OD. II because it has a chair conformation with the most equatorial bonds %3Darrow_forwardWhich statement is true about these conformers? H. H. H H CH3 H3C H. H,C H,C H. H. A O A and B are equally stable O Difficult to predict O A more stable than B ) B more stable thanarrow_forward
- Draw a model of ethane. Imagine rotating the C-C single bond. a. Is there a change in the relative positions of the different atoms as the C-C bond is rotated? Yes or No? b. Does the ethane molecule have more than one conformation? Yes or No?arrow_forwardFor 1,2-dichloroethane: a.Draw Newman projections for all eclipsed conformations formed by rotation from 0° to 360° about the carbon-carbon single bond. b.Which eclipsed conformation(s) has (have) the lowest energy? Which has (have) the highest energy? c.Which, if any, of these eclipsed conformations are related by reflection?arrow_forwardFor each attached compound drawn below:a.) Draw representations for the cis and trans isomers using a hexagon for the six-membered ring, and wedges and dashed wedges for substituents.b.) Draw the two possible chair conformations for the cis isomer. Which conformation, if either, is more stable?c.) Draw the two possible chair conformations for the trans isomer. Which conformation, if either, is more stable?d.) Which isomer, cis or trans, is more stable and why?arrow_forward
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