Concept explainers
Interpretation:
Among the given unbranched
Concept Introduction:
Alkenes are hydrocarbons that contain at least one double bond in it. There will not be any free rotation of the double bond in alkene. Hence, cis‑trans isomerism is possible. The first and foremost condition for the alkene to exhibit cis‑trans isomerism is that the carbon attached in either end of double bond must have different groups attached to it.
A cis isomer is the one in which the same groups are present on same side of both the carbon atoms present in the double bond.
A trans isomer is the one in which the same groups are present on opposite side of both the carbon atoms present in the double bond.
Cis‑trans isomerism is not possible if any one of the carbon atom bonded to the double bond bears two identical groups.
Cis‑trans isomers are not constitutional isomers but they are stereoisomers.
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Chapter 2 Solutions
Organic And Biological Chemistry
- 19. What is the correct IUPAC name for the hydrocarbon with the following carbon-skeleton formula? C-c-C.c a. 2-ethyl-2-methylethene Ob. 2-ethyl-1-propene c. 2-methyl-1-butene d. 2-methylbutane e. no correct responsearrow_forwardThe correct IUPAC name for the compound is: a. 1-methyl-2-cyclopenteneb. 2-methyl-1-cyclopentenec. 3-methylcyclopentened. no correct responsearrow_forward19. What is the correct IUPAC name for the hydrocarbon with the following carbon-skeleton formula? C-c-C-C a. 2-ethyl-2-methylethene b. 2-ethyl-1-propene c. 2-methyl-1-butene d. 2-methylbutane e. no correct responsearrow_forward
- Organic And Biological ChemistryChemistryISBN:9781305081079Author:STOKER, H. Stephen (howard Stephen)Publisher:Cengage Learning,General, Organic, and Biological ChemistryChemistryISBN:9781285853918Author:H. Stephen StokerPublisher:Cengage Learning