(a)
To determine: The three dimensional structure for the given compound and all asymmetric carbon atoms, the mirror image for each structure and whether the structures are a pair of enantiomers or just the same molecule twice.
Interpretation: The three dimensional structure for the given compound is to be drawn and all asymmetric carbon atoms are to be marked. The identification of the structures as a pair of enantiomers or just the same molecule twice is to be done.
Concept introduction: A chiral carbon atom is attached to four different atoms or group of atoms and shows a tetrahedral geometry. The mirror image of a chiral compound is non-super imposable. The two different forms in which a single chiral carbon can exist are referred as enantiomers. The number of enantiomers of a molecule depends on the number of chiral centers.
(b)
To determine: The three dimensional structure for the given compound and all asymmetric carbon atoms, the mirror image for each structure and whether the structures are a pair of enantiomers or just the same molecule twice.
Interpretation: The three dimensional structure for the given compound is to be drawn and all asymmetric carbon atoms are to be marked. The identification of the structures as a pair of enantiomers or just the same molecule twice is to be done.
Concept introduction: A chiral carbon atom is attached to four different atoms or group of atoms and shows a tetrahedral geometry. The mirror image of a chiral compound is non-super imposable. The two different forms in which a single chiral carbon can exist are referred as enantiomers. The number of enantiomers of a molecule depends on the number of chiral centers.
(c)
To determine: The three dimensional structure for the given compound and all asymmetric carbon atoms, the mirror image for each structure and whether the structures are a pair of enantiomers or just the same molecule twice.
Interpretation: The three dimensional structure for the given compound is to be drawn and all asymmetric carbon atoms are to be marked. The identification of the structures as a pair of enantiomers or just the same molecule twice is to be done.
Concept introduction: A chiral carbon atom is attached to four different atoms or group of atoms and shows a tetrahedral geometry. The mirror image of a chiral compound is non-super imposable. The two different forms in which a single chiral carbon can exist are referred as enantiomers. The number of enantiomers of a molecule depends on the number of chiral centers.
(d)
To determine: The three dimensional structure for the given compound and all asymmetric carbon atoms, the mirror image for each structure and whether the structures are a pair of enantiomers or just the same molecule twice.
Interpretation: The three dimensional structure for the given compound is to be drawn and all asymmetric carbon atoms are to be marked. The identification of the structures as a pair of enantiomers or just the same molecule twice is to be done.
Concept introduction: A chiral carbon atom is attached to four different atoms or group of atoms and shows a tetrahedral geometry. The mirror image of a chiral compound is non-super imposable. The two different forms in which a single chiral carbon can exist are referred as enantiomers. The number of enantiomers of a molecule depends on the number of chiral centers.
(e)
To determine: The three dimensional structure for the given compound and all asymmetric carbon atoms, the mirror image for each structure and whether the structures are a pair of enantiomers or just the same molecule twice.
Interpretation: The three dimensional structure for the given compound is to be drawn and all asymmetric carbon atoms are to be marked. The identification of the structures as a pair of enantiomers or just the same molecule twice is to be done.
Concept introduction: A chiral carbon atom is attached to four different atoms or group of atoms and shows a tetrahedral geometry. The mirror image of a chiral compound is non-super imposable. The two different forms in which a single chiral carbon can exist are referred as enantiomers. The number of enantiomers of a molecule depends on the number of chiral centers.
(f)
To determine: The three dimensional structure for the given compound and all asymmetric carbon atoms, the mirror image for each structure and whether the structures are a pair of enantiomers or just the same molecule twice.
Interpretation: The three dimensional structure for the given compound is to be drawn and all asymmetric carbon atoms are to be marked. The identification of the structures as a pair of enantiomers or just the same molecule twice is to be done.
Concept introduction: A chiral carbon atom is attached to four different atoms or group of atoms and shows a tetrahedral geometry. The mirror image of a chiral compound is non-super imposable. The two different forms in which a single chiral carbon can exist are referred as enantiomers. The number of enantiomers of a molecule depends on the number of chiral centers.
(g)
To determine: The three dimensional structure for the given compound and all asymmetric carbon atoms, the mirror image for each structure and whether the structures are a pair of enantiomers or just the same molecule twice.
Interpretation: The three dimensional structure for the given compound is to be drawn and all asymmetric carbon atoms are to be marked. The identification of the structures as a pair of enantiomers or just the same molecule twice is to be done.
Concept introduction: A chiral carbon atom is attached to four different atoms or group of atoms and shows a tetrahedral geometry. The mirror image of a chiral compound is non-super imposable. The two different forms in which a single chiral carbon can exist are referred as enantiomers. The number of enantiomers of a molecule depends on the number of chiral centers.
(h)
To determine: The three dimensional structure for the given compound and all asymmetric carbon atoms, the mirror image for each structure and whether the structures are a pair of enantiomers or just the same molecule twice.
Interpretation: The three dimensional structure for the given compound is to be drawn and all asymmetric carbon atoms are to be marked. The identification of the structures as a pair of enantiomers or just the same molecule twice is to be done.
Concept introduction: A chiral carbon atom is attached to four different atoms or group of atoms and shows a tetrahedral geometry. The mirror image of a chiral compound is non-super imposable. The two different forms in which a single chiral carbon can exist are referred as enantiomers. The number of enantiomers of a molecule depends on the number of chiral centers.
(i)
To determine: The three dimensional structure for the given compound and all asymmetric carbon atoms, the mirror image for each structure and whether the structures are a pair of enantiomers or just the same molecule twice.
Interpretation: The three dimensional structure for the given compound is to be drawn and all asymmetric carbon atoms are to be marked. The identification of the structures as a pair of enantiomers or just the same molecule twice is to be done.
Concept introduction: A chiral carbon atom is attached to four different atoms or group of atoms and shows a tetrahedral geometry. The mirror image of a chiral compound is non-super imposable. The two different forms in which a single chiral carbon can exist are referred as enantiomers. The number of enantiomers of a molecule depends on the number of chiral centers.
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Chapter 5 Solutions
EP ORGANIC CHEMISTRY -MOD.MASTERING 18W
- The dimethylcyclohexane with the structure shown below is: ÇH3 CH3 Select one: O a. a trans isomer with the CH3 groups in axial positions. O b. a cis isomer with the CH3 groups in equatorial positions. O c. a cis isomer with the CH3 groups in equatorial and axial positions. O d. a trans isomer with the CH3 groups in equatorial positions.arrow_forward27. The dehydration of ethyl alcohol primarily yields A. Ethylene B. Ethanal C. Ethanoic acid D. Ethane 28. In general, the boiling point of primary alcohol is the boiling point of a linear ether of the same carbon chain length. A. Greater than B. Lower than C. Equal to D. Stronger than 29. Ethyl alcohol and dimethyl ether are isomers. However, they differ in their dipole moment. Which statement is TRUE? A. Dimethyl ether has a lower dipole moment than ethyl alcohol. B. Ethyl alcohol has a lower dipole moment than dimethyl ether. C. Dimethyl ether has a greater bond dipole than ethyl alcohol. D. Ethyl alcohol has a greater bond dipole than dimethyl ether. 30. Based on molecular structure, alcohol molecules and ether molecules are analogues of water. This implies that both molecules can form hydrogen bonds with water molecules. Which statement is FALSE? A. Alcohol molecules are hydrogen bond donors. B. Ether molecules are hydrogen bond acceptors. C. Alcohol molecules are hydrogen bond…arrow_forwardMake two identical models of methane with four different colored balls attached to each carbon. On one of the models switch two of the balls. Draw the two structures in stereoscopic projection (with dash, wedge, etc.). Label each hydrogen as H1, H2, etc.arrow_forward
- Draw the structure corresponding to each IUPAC name. a.3-ethyl-2-methylhexane b. sec-butylcyclopentane c.4-isopropyl-2,4,5-trimethylundecane d.cyclobutylcycloheptane e.3-ethyl-1,1-dimethylcyclohexane f. 4-butyl-1,1-diethylcyclooctane g.6-isopropyl-2,3-dimethyldodecane h. 2,2,6,6,7-pentamethyloctane i. cis-1-ethyl-3-methylcyclopentane j. trans-1-tert-butyl-4-ethylcyclohexanearrow_forwardDetermine whether each compound exhibits optical isomerism. a. CCI4 b. CH3-CH2-CH-CH,–CH2-CH,-CH3 CH3 с. CH3-C-Cl NH2 d. CH;CHCICH3arrow_forwardCH3 2. Give the structure corresponding to each IUPAC name. a. 3-ethyl-3-methylhexane b. 2-ethyl-1-methyl-3-propylcyclopentane c. 3-methylbutane d. 1-ethyl-2,3-dimethylcyclopentane e. 1,5-dimethylcyclohexanearrow_forward
- 9. Provide a systematic name for the following compound? A. 1,2,4-trimethyl-5-ethylcyclohexane B. 5-ethyl-1,2,4-trimethylcyclohexane C. 1-ethyl-2,4,5-trimethylcyclohexane D. 2,4,5-trimethyl-1-ethylcyclohexane 2 3arrow_forward1. What are ethers? Give their type formula. 2. When is the ether classified as simple, and when is it called mixed ether? Give Examples.arrow_forwardMake a model of cyclohexane and draw its shape. Comment on its bond angles and how easily the model fitted together. Draw the boat and chair conformations of cyclohexane. Which arrangement do you think is the most stable?arrow_forward
- Draw a three-dimensional structure for each compound, and star all asymmetric carbon atoms. Draw the mirror image for each structure, and state whether you have drawn a pair of enantiomers or just the same molecule twice. Build molecular models of any of these examples that seem difficult to you. 1-bromo-2-methylbutanearrow_forwardWhich projection corresponds to 2,3,4-trimethylhexane? CH,CH3 H3C. CH(CH3)2 ČH3 b. CH3 H CH,CH3 H. ČH3 (CH3)2CH CH3 H3C, C. HY CH;CH(CH3)2 ĊH3 CH3 d. (CH3),CH, H Y CH,CH3 ČH3 a.arrow_forward2. Why do 1-methylcyclohexene and 3-methylcyclohexene have a lower boiling point than 2-methylcyclohexanol?arrow_forward
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