Introduction to General, Organic and Biochemistry
11th Edition
ISBN: 9781285869759
Author: Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher: Cengage Learning
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Question
Chapter 11, Problem 11.33P
Interpretation Introduction
(a)
Interpretation:
Interpret the following statement is true or false.
‘cis and trans cycloalkane are present with same molar formula with different connectivity.’.
Concept Introduction:
The position of the substituent attached on the carbon having restricted rotation decides the cis or trans isomerism.
If the substituent facing the same side then cis isomerism is observed while the substituent facing the opposite side then trans isomerism is observed.
Interpretation Introduction
(b)
Interpretation:
Interpret the following statement is true or false.
‘cis can be transferred to trans isomer by rotation of the carbon single bonded to carbon.’.
Concept Introduction:
The position of the substituent attached on the carbon having restricted rotation decides the cis or trans isomerism.
If the substituent facing the same side then cis isomerism is observed while the substituent facing the opposite side then trans isomerism is observed.
Interpretation Introduction
(c)
Interpretation:
Interpret the following statement is true or false.
‘cis can be transferred to trans isomer by exchanging the two groups.’.
Concept Introduction:
The position of the substituent attached on the carbon having restricted rotation decides the cis or trans isomerism.
If the substituent facing the same side then cis isomerism is observed while the substituent facing the opposite side then trans isomerism is observed.
Interpretation Introduction
(d)
Interpretation:
Interpret the following statement is true or false.
‘configuration means arrangement of atom in space.’.
Concept Introduction:
The position of the substituent attached on the carbon having restricted rotation decides the cis or trans isomerism.
If the substituent facing the same side then cis isomerism is observed while the substituent facing the opposite side then trans isomerism is observed.
Interpretation Introduction
(e)
Interpretation:
Interpret the following statement is true or false.
‘cis-1,4-dimethylcyclohexane and trans-1,4-dimethylcyclohexane are conformers.’.
Concept Introduction:
The position of the substituent attached on the carbon having restricted rotation decides the cis or trans isomerism.
If the substituent facing the same side then cis isomerism is observed while the substituent facing the opposite side then trans isomerism is observed.
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Name and draw structural formulas for all cycloalkanes with molecular formula C5H10. Include cis and trans isomers as well as constitutional isomers.
Which of the following statements regarding cycloalkanes is wrong?
The least strained form of any unsubstituted cycloalkane is the chair conformation of
cyclohexane.
Any disubstituted cycloalkane can have cis-trans isomers.
Cyclopentane is nonplanar to avoid the torsional strain between adjacent C-H bonds.
The planar form of any cycloalkane with a ring larger than cyclopropane will not be the
most stable conformation.
What is cis-trans isomerism in alkenes?
cis-trans isomerism in alkenes involves having the major groups in an alkene on the same or opposite side of the double bond
cis-trans isomerism in alkenes involves having different or identical substituents at the both ends of the double bond
cis-trans isomerism in alkenes involves having the major groups in an alkene in staggered or eclipsed conformations
cis-trans isomerism in alkenes involves different location of double bond along the carbon chain
Chapter 11 Solutions
Introduction to General, Organic and Biochemistry
Ch. 11.2 - Prob. 11.1PCh. 11.3 - Prob. 11.2PCh. 11.3 - Prob. 11.3PCh. 11.4 - Problem 11-4 Write the molecular formula and IUPAC...Ch. 11.6 - Problem 11-5 Write the molecular formula and IUPAC...Ch. 11.7 - Prob. 11.6PCh. 11.8 - Prob. 11.7PCh. 11.9 - Prob. 11.8PCh. 11.10 - Prob. 11.9PCh. 11 - Answer true or false. A hydrocarbon is composed...
Ch. 11 - 11-11 Define: Hydrocarbon Alkane Saturated...Ch. 11 - 11-12 Why is it not accurate to describe an...Ch. 11 - 11-13 What is meant by the term line-angle formula...Ch. 11 - Prob. 11.14PCh. 11 - Write the molecular formula for each alkane.Ch. 11 - Answer true or false. Constitutional isomers have...Ch. 11 - Which statements are true about constitutional...Ch. 11 - Prob. 11.18PCh. 11 - Each member of the following set of compounds is...Ch. 11 - Prob. 11.20PCh. 11 - 11-21 In the six following sets, which pairs of...Ch. 11 - Draw line-angle formulas for the nine...Ch. 11 - Answer true or false. The parent name of an alkane...Ch. 11 - Prob. 11.24PCh. 11 - Among the ingredients listed in one commercial...Ch. 11 - Prob. 11.26PCh. 11 - Answer true or false. Cycloalkanes are saturated...Ch. 11 - Prob. 11.28PCh. 11 - Prob. 11.29PCh. 11 - Prob. 11.30PCh. 11 - Prob. 11.31PCh. 11 - 11-32 Calculate the actual C-C-C bond angles in...Ch. 11 - Prob. 11.33PCh. 11 - 11-34 What structural feature of cycloalkanes...Ch. 11 - Prob. 11.35PCh. 11 - 11-36 Name and draw structural formulas for the...Ch. 11 - Name and draw structural formulas for the six...Ch. 11 - 11-38 Why is equatorial methylcyclohexane more...Ch. 11 - Prob. 11.39PCh. 11 - Consider a cyclohexane ring substituted with one...Ch. 11 - Prob. 11.41PCh. 11 - In Problem 11-22, you drew structural formulas for...Ch. 11 - Which unbranched alkane (Table 11-4) has about the...Ch. 11 - Prob. 11.44PCh. 11 - Prob. 11.45PCh. 11 - Prob. 11.46PCh. 11 - Prob. 11.47PCh. 11 - 11-48 How are the boiling points of hydrocarbons...Ch. 11 - Answer true or false. Combustion of alkanes is an...Ch. 11 - 11-50 Write balanced equations for the combustion...Ch. 11 - The heat of combustion of methane, a component of...Ch. 11 - 11-52 Draw structural formulas for these...Ch. 11 - Prob. 11.53PCh. 11 - 11-54 Complete and balance the equation for the...Ch. 11 - Name and draw structural formulas for all pos...Ch. 11 - Prob. 11.56PCh. 11 - Prob. 11.57PCh. 11 - 11-58 (Chemical Connections 11A) How many rings in...Ch. 11 - Prob. 11.59PCh. 11 - Prob. 11.60PCh. 11 - Prob. 11.61PCh. 11 - 11-62(Chemical Connections 11C) What are Freons?...Ch. 11 - 11-63 (Chemical Connections 11C) In what way do...Ch. 11 - (Chemical Connections 11C) What are HFCs and...Ch. 11 - Prob. 11.65PCh. 11 - Prob. 11.66PCh. 11 - Which of the following compounds can exist as...Ch. 11 - Prob. 11.68PCh. 11 - Dodecane, C12H26, is an unbranched alkane Predict...Ch. 11 - Prob. 11.70PCh. 11 - Prob. 11.71PCh. 11 - Prob. 11.72PCh. 11 - As stated in Section 11-9, the wax found in apple...Ch. 11 - Prob. 11.74P
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- How does the structure of a cycloalkane differ from that of a straight-chain or branched-chain alkane?arrow_forwardDistinguish between isomerism and resonance. Distinguish between structural and geometric isomerism. When writing the various structural isomers, the most difficult task is identifying which are different isomers and which are identical to a previously written structurethat is, which are compounds that differ only by the rotation of a carbon single bond. How do you distinguish between structural isomers and those that are identical? Alkenes and cycloalkanes are structural isomers of each other. Give an example of each using C4H8. Another common feature of alkenes and cycloalkanes is that both have restricted rotation about one or more bonds in the compound, so both can exhibit cis- trans isomerism. What is required for an alkene or cycloalkane to exhibit cis-trans isomerism? Explain the difference between cis and trans isomers. Alcohols and ethers are structural isomers of each other, as are aldehydes and ketones. Give an example of each to illustrate. Which functional group in Table 21-4 can be structural isomers of carboxylic acids? What is optical isomerism? What do you look for to determine whether an organic compound exhibits optical isomerism? 1-Bromo-1-chloroethane is optically active whereas 1-bromo-2-chloroethane is not optically active. Explain.arrow_forwardWhat is cis-trans isomerism in alkenes? cis-trans isomerism in alkenes involves having the major groups in an alkene on the same or opposite side of the double bond cis-trans isomerism in alkenes involves having different or identical substituents at the both ends of the double bond cis-trans isomerism in alkenes involves having the major groups in an alkene in staggered or eclipsed conformations cis-trans isomerism in alkenes involves different location of double bond along the carbon chain How do the properties of cis-trans isomers differ from one another? cis and trans isomers have identical physical properites, whereas their chemical properties differ cis and trans isomers have identical chemical properites, whereas their physical properties differ cis and trans isomers have identical physical and chemical properties cis and trans isomers have distinct physical and chemical propertiesarrow_forward
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