Concept explainers
Interpretation:
The general physical property of
Concept Introduction:
Organic compounds are represented shortly by the molecular formula and structural formula. Each and every compound has its own molecular formula. Compounds can have same molecular formula but not same structural formula.
Alkenes are linear chain
Alkenes and cycloalkenes are hydrocarbons. They are nonpolar molecules. Water is a polar molecule. Therefore, alkenes and cycloalkenes do not get solubilized in water. In other words, alkenes and cycloalkenes are insoluble in water.
Regarding density, alkenes and cycloalkenes have density lower than water. When alkenes and cycloalkenes are mixed with water, two layers are formed which is a result of insolubility. Alkenes and cycloalkenes are present on top of water layer which is due to lesser density.
Boiling point of alkenes and cycloalkenes increase with an increase in carbon‑chain length or the ring size. The continuous chain alkenes which contain two to four carbon atoms are gases at room temperature. The continuous chain alkenes that contain five to seventeen carbon atoms and one double bond are liquids at room temperature.
When branching happens in the carbon chain, it lowers the boiling point of alkenes. In simple words, unbranched alkenes have more boiling point than branched alkenes with the same number of carbon atoms.
Cycloalkenes have more boiling point compared to noncyclic alkenes with the same number of carbon atoms. This is due to the more rigid and more symmetrical structures that occur in cyclic systems. Cyclopropene and cyclobutene are relatively unstable compound and gets converted into other hydrocarbons.
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Organic And Biological Chemistry
- 17. Which of the following is the most common chemical reaction done with alkanes in our society today? a. addition of hydrogen b. dehydration c. combustion d. polymerization e. no correct responsearrow_forward12. Which of the following cannot possibly be a correct IUPAC name? a. 2-methylpentane b. 2-ethylpentane Oc. 3-methylpentane O d. 3-ethylpentane O e. no correct responsearrow_forwardWhich of the following is the correct IUPAC name for the compound a. 2-methyl-4-pentyne b. 4-methyl-2-pentyne c. 2, 4-methylpentyne d. no correct responsearrow_forward
- Which of the following is NOT a use of aromatic hydrocarbons? a. solvents b. found in vitamins c. found in amino acids d. no correct responsearrow_forwardThe correct IUPAC name for a compound is a. l-methyl-2-cyclopentene b. 2-methyl-1-cyclopentene c.3-methyl cyclopentane d. no correct responsearrow_forwardIn which of the following alkanes are 10 carbon atoms present? O a) 2,3-dimethyloctane O b) 3-ethyl-2,4-dimethylpentane O 93,4-diethylhexane d) more than one correct responsearrow_forward
- General, Organic, and Biological ChemistryChemistryISBN:9781285853918Author:H. Stephen StokerPublisher:Cengage LearningOrganic And Biological ChemistryChemistryISBN:9781305081079Author:STOKER, H. Stephen (howard Stephen)Publisher:Cengage Learning,