Podcast
Questions and Answers
Why do cycloalkanes have a lower number of hydrogen atoms compared to acyclic alkanes with the same number of carbon atoms?
Why do cycloalkanes have a lower number of hydrogen atoms compared to acyclic alkanes with the same number of carbon atoms?
- Because they have a higher molecular weight
- Because they have no ends that need to be capped off with hydrogen atoms (correct)
- Because they have a more stable molecular structure
- Because they have a more compact cyclic shape
What is the general molecular formula for simple cycloalkanes?
What is the general molecular formula for simple cycloalkanes?
- CnH2n (correct)
- CnHn
- CnHn+2
- CnH2n+2
What is the main reason for the difference in physical properties between cycloalkanes and branched acyclic alkanes?
What is the main reason for the difference in physical properties between cycloalkanes and branched acyclic alkanes?
- The difference in molecular weight
- The difference in boiling points
- The difference in number of hydrogen atoms
- The difference in molecular shape (correct)
Which of the following is NOT a characteristic of cycloalkanes?
Which of the following is NOT a characteristic of cycloalkanes?
What is the effect of ring strain on the stability of cycloalkanes?
What is the effect of ring strain on the stability of cycloalkanes?
What is the relationship between the molecular weight of cycloalkanes and their boiling points?
What is the relationship between the molecular weight of cycloalkanes and their boiling points?
What is the general molecular formula for a cycloalkane?
What is the general molecular formula for a cycloalkane?
Why is the molar heat of combustion of cyclohexane nearly twice that of cyclopropane?
Why is the molar heat of combustion of cyclohexane nearly twice that of cyclopropane?
What is the purpose of dividing the heat of combustion by the number of methylene groups?
What is the purpose of dividing the heat of combustion by the number of methylene groups?
What is the reference value used to compare the relative amounts of ring strain in cycloalkanes?
What is the reference value used to compare the relative amounts of ring strain in cycloalkanes?
Which cycloalkane has no ring strain at all?
Which cycloalkane has no ring strain at all?
What is the general trend of ring strain in cycloalkanes as the number of methylene groups increases?
What is the general trend of ring strain in cycloalkanes as the number of methylene groups increases?
What is the primary reason for the higher stability of five-membered and six-membered rings?
What is the primary reason for the higher stability of five-membered and six-membered rings?
What is the name of the strain associated with the orbitals of carbon–carbon bonds not achieving optimum overlap?
What is the name of the strain associated with the orbitals of carbon–carbon bonds not achieving optimum overlap?
Why do eclipsed bonds give rise to strain in cycloalkanes?
Why do eclipsed bonds give rise to strain in cycloalkanes?
What is the name of the Nobel Prize winner who first attempted to explain the relative stabilities of cyclic molecules?
What is the name of the Nobel Prize winner who first attempted to explain the relative stabilities of cyclic molecules?
What is the bond angle of carbon atoms in acyclic alkanes?
What is the bond angle of carbon atoms in acyclic alkanes?
What type of strain is present in a planar cyclobutane?
What type of strain is present in a planar cyclobutane?
