Differences Between Alkene and Alkane Quiz

Which of the following statements correctly describes a key difference between alkenes and alkanes?

• Alkenes contain only single bonds.

• Alkenes contain at least one double bond.

• Alkanes are more reactive than alkenes.

• Alkenes are saturated hydrocarbons.

What is the general formula for alkenes?

• CnH2n

• CnH2n+2

• CnH2n-2

• CnH2n-1

Which of the following compounds is an alkane?

• C2H4

• C3H6

• C4H10

• C5H8

What type of reaction is most characteristic of alkenes?

• Substitution reactions

• Addition reactions

• Elimination reactions

• Rearrangement reactions

Which of the following statements is true regarding the physical state of alkenes and alkanes at room temperature?

• Alkenes are always gases, while alkanes are always liquids.

• Both alkenes and alkanes are always gases.

• Alkenes are generally more volatile than alkanes.

• Alkanes are generally more volatile than alkenes.

Which of the following is a property of alkenes that distinguishes them from alkanes?

• They have higher boiling points than alkanes.

• They can undergo polymerization.

• They are less dense than alkanes.

• They are less reactive than alkanes.

What is the hybridization of the carbon atoms in an alkene?

• sp

• sp²

• sp³

• sp³d

Which of the following reactions can alkenes undergo that alkanes cannot?

• Combustion

• Hydrogenation

• Halogenation

• All of the above

Which of the following is a common test to distinguish between alkenes and alkanes?

• Bromine water test

• Litmus test

• Silver nitrate test

• Iodine test

What is the main reason for the higher reactivity of alkenes compared to alkanes?

• Presence of single bonds

• Presence of double bonds

• Presence of triple bonds

• Presence of functional groups