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Concept explainers
Interpretation:
It is to be shown that the given molecule is not a constitution isomer of the other two.
Concept introduction:
Compounds with the same molecular formula but different connectivity is called constitutional isomers. To identify constitutional isomers, first check for the formula. If the molecular formula of both the compounds is the same, then select the longest continuous chain of the carbon atoms. Finally, compare the attachments. If the locant number and attached substituent are different for both molecules, then and then only are they constitutional isomers. If the attached substituent and the locant number are the same, then they are not constitutional isomers. The conformational isomers or conformers are the isomers that can be interconverted to each other due to rotation about carbon-carbon single bond.
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Chapter 4 Solutions
Organic Chemistry: Principles and Mechanisms (Second Edition)
- A. For each of the following molecules, identify and label all of the functional groups present in the molecule. Then, draw in the lone pairs on the heteroatoms (any atom that is not carbon or hydrogen) that are assumed in each structure.arrow_forwardName according IUPAC rule, the following molecule (with configurations if needed). You will give the name as the following, X for the positions and no space between characters : (XE,XR,XS)-X-methyl... Он NH, ОНarrow_forwardCalculate strain energy for the conformed pictured below, using strain energy increments from the table.arrow_forward
- Check the box under each molecule in the table below that is an isomer of this molecule: If there are no isomers, check the none of the above box under the table. none of the abovearrow_forwarda) Draw one isomer of C6H14. b) Draw one isomer of C6H12- c) Draw one isomer of C6H140 that exhibits hydrogen bonding. d) Draw one isomer of C6H140 that is not capable of hydrogen bonding. BONUS: Show all locations of possible hydrogen bonding for the C6H140 isomer that you drew above in part c.arrow_forwardHow many primary, secondary, tertiary, and quarternary carbons are there in the molecule below?arrow_forward
- Could we cut just one bond in the "starting" molecule shown in the drawing area below to create this "target" molecule? The target molecule. If so, highlight the bond to be cut. If not, check the box under the drawing area that says Not possible. Note: it's OK if cutting the bond creates more than one molecule, as long as one of them is the target molecule. Xarrow_forwardQ.7 For each of the following pairs of molecules determine if they are constitutional isomers. For each molecule state number of C atoms, O atoms and degree of unsaturation. OH OH OH uzarrow_forwardI don't understand why the first one and second one are cis and trans respectively. Wouldn't the first one be trans-1,2-dimethylcyclobutane because the torsional strain wouldn't allow the carbons to be in the same conformation. Meaning one of the carbons would be up and then the next would be down and so on. Since both methyl groups are equatorial and the first and second carbons are arranged up and down, wouldn't it be trans. Same logic for the second molecule. Carbon 1, which is attached to the methyl is down, carbon 3 which is attached to the methyl should be down also because of torsional strain, and since both methyl are in axial (or equatorial?), it would be cis. Or is it based off of the way the carbons are positioned in the picture?arrow_forward
- Does the following cycloalkane capable of geometric (cis-trans) isomerism? Draw cis and trans isomers if applies. 3-ethyl-1,1-dimethylcyclohexane. My solution manual says that for this one there is no cis and trans isomers but i cant figure out why?arrow_forwardneed help. Out of the four isomers shown above (menthol, isomenthol, neomenthol, and neoisomenthol), which isomer do you predict is the most stable? It may help to draw out each isomer in its most stable chair conformer to determine which has the most equatorial groups.arrow_forward1) Draw 2 sets of molecules. The first set should be constitutional isomers. The second set should not be constitutional isomers. Explain why the first set of isomers is constitutional and why the second set is not.arrow_forward
- Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage Learning
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